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November/05/2009: Announcement of Second Quarter Business Results for the Fiscal Year Ending March 31, 2010

August/05/2009: Announcement of First Quarter Business Results for the Fiscal Year Ending March 31, 2010

May/12/2009: Announcement of Business Results for the Fiscal Year Ended March 31, 2009

April/30/2009: SEMATECH to Collaborate with TOK at New Resist Materials and Development Center at UAlbany NanoCollege (35KB)

February/09/2009: Announcement of Third Quarter Business Results for the Fiscal Year Ending March 31, 2009

December/25/2009: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 11th IC PACKAGING TECHNOLOGY EXPO

November/16/2009: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2009

January/28/2009: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at nano tech 2009 International Nanotechnology Exhibition & Conference

January/13/2009: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 10th IC PACKAGING TECHNOLOGY EXPO

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December/02/2008: Notice Regarding the Results of Acquisition of the Company's Stock and Completion of Acquisition (124KB)

November/11/2008: Announcement of Second Quarter Business Results for the Fiscal Year Ending March 31, 2009

November/11/2008: Notice Regarding the Decision on Acquisition of the Company's Stock (95KB)

November/11/2008: Notice Regarding the Cancellation of Treasury Stock (75KB)

August/11/2008: Announcement of First Quarter Business Results for the Fiscal Year Ending March 31, 2009 (7KB)

July/02/2008: Receipt of a Notice of Tax Assessment based on Transfer Pricing Taxation (97KB)

July/02/2008: Revision of Business Forecast for the Fiscal Year Ending March 31, 2009 (116KB)

June/16/2008: IBM and Tokyo Ohka Kogyo Turn Up Watts on Solar Energy Production (37KB)

May/14/2008: Announcement of Business Results for the Fiscal Year Ended March 31, 2008

February/04/2008: Announcement of Third Quarter Business Results for the Fiscal Year Ending March 31, 2008

December/16/2008: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Korea 2009

November/18/2008: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2008

October/10/2008: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at FPD International 2008.

August/26/2008: TOK TAIWAN CO., LTD. Will Exhibit at SEMICON^® Taiwan 2008.

July/11/2008: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at Micronano 2008 Exhibition Micromachine / MEMS.

June/05/2008: TOK TAIWAN CO., LTD. Will Exhibit at Display Taiwan 2008.

February/29/2008: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® China 2008.

February/19/2008: TOKYO OHKA KOGYO AMERICA, INC. Will Exhibit at SPIE Advanced Lithography 2008 Exhibition.

January/09/2008: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Korea 2008.

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December/14/2007: Notice Regarding the Results of Acquisition of the Company's Stock and Completion of Acquisition (147KB)

December/05/2007: Notice Regarding the Results of Acquisition of the Company's Stock (131KB)

November/09/2007: Announcement of Interim Business Results for the Fiscal Year Ending March 31, 2007.

November/08/2007: Notice Regarding the Decision on Acquisition of the Company's Stock (137KB)

November/08/2007: Announcement of Interim Business Results for the Fiscal Year Ending March 31, 2008.

August/02/2007: Announcement of First Quarter Business Results for the Fiscal Year Ending March 31, 2008.

May/14/2007: Announcement of Business Results for the Fiscal Year Ended March 31, 2007.

February/02/2007: Announcement of Third Quarter Business Results for the Fiscal Year Ending March 31, 2007.

December/27/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 9th IC PACKAGING TECHNOLOGY EXPO.

November/16/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2007.

October/15/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at FPD International 2007.

September/13/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at IGAS 2007. (International Graphic Arts Show)

September/06/2007: TOK TAIWAN CO., LTD. Will Exhibit at SEMICON^® Taiwan 2007.

July/10/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at Exhibition Micromachine / MEMS 2007.

June/22/2007: TOK TAIWAN CO., LTD. Will Exhibit at FPD Expo Taiwan 2007.

April/11/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at A-PACK 2007 OSAKA. (ASIA PACKAGING EXHIBITION OSAKA 2007)

March/30/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 2nd FPD Components & Materials Expo (Concurrently held with 17th FPD R&D AND MANUFACTURING TECHNOLOGY EXPO & CONFERENCE [FINETECH JAPAN])

March/06/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® China 2007.

February/16/2007: Tokyo Ohka Kogyo America, Inc. Will Exhibit at SPIE Advanced Lithography 2007 Exhibition.

January/30/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Korea 2007.

January/10/2007: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 8th IC PACKAGING TECHNOLOGY EXPO.

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November/09/2006: Announcement of Interim Business Results for the Fiscal Year Ending March 31, 2007.

September/20/2006: Tokyo Ohka Kogyo Co., Ltd. Announces Increase of Prospective Dividend for the Fiscal Year Ending on March 31, 2007 (the 77th Period). (43KB)

August/04/2006: Announcement of First Quarter Business Results for the Fiscal Year Ending March 31, 2007.

May/17/2006: Announcement of Business Results for the Fiscal Year Ended March 31, 2006.

April/26/2006: Tokyo Ohka Kogyo Co., Ltd. Announces Commemorative Dividend on the 20th Anniversary of the listing on the Tokyo Stock Exchange (19KB)

February/03/2006: Announcement of Third Quarter Business Results for the Fiscal Year Ending March 31, 2006.

November/28/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2006.

October/24/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 17th International Tradeshow for Micro / MEMS & Nano Technologies.

October/02/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at Renewable Energy 2006 International Exhibition.

September/29/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at FPD International 2006.

September/08/2006: TOK TAIWAN CO., LTD. Will Exhibit at SEMICON^® Taiwan 2006.

June/09/2006: TOK TAIWAN CO., LTD. Will Exhibit at FPD Taiwan 2006.

April/03/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 16th FPD R&D AND MANUFACTURING TECHNOLOGY EXPO & CONFERENCE (FINETECH JAPAN).

March/23/2006: Tokyo Ohka Kogyo Europe B.V. Will Exhibit at SEMICON^® Europa 2006.

March/08/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® China 2006.

February/01/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Korea 2006.

January/11/2006: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 7th IC PACKAGING TECHNOLOGY JAPAN.

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November/10/2005: Announcement of Interim Business Results for the Fiscal Year Ending March 31, 2006.

October/05/2005: Tokyo Ohka Kogyo Co., Ltd. Announces the Establishment of a Subsidiary in Holland. (19KB)

September/28/2005: Tokyo Ohka Kogyo Co., Ltd. Announces Establishment of Employee Retirement Benefit Trust. (19KB)

September/28/2005: Tokyo Ohka Kogyo Co., Ltd. Announces Cancellation of Treasury Stock. (17KB)

September/28/2005: Tokyo Ohka Kogyo Co., Ltd. Announces Revision of Business Forecast for the Fiscal Year Ending March 31, 2006. (42KB)

August/30/2005: Tokyo Ohka Kogyo Co., Ltd. Announces the Start of Commercial Production of Materials for Production of Semiconductors and Liquid Crystal Displays in China. (100KB)

August/05/2005: Announcement of First Quarter Business Results for the Fiscal Year Ending March 31, 2006.

May/18/2005: Announcement of Business Results for the Fiscal Year Ended March 31, 2005.

April/27/2005: Tokyo Ohka Kogyo Co., Ltd. Announces Commemorative Dividend on the 65th Anniversary of the Company.

March/31/2005: Tokyo Ohka Kogyo Co., Ltd. Announces Resignation of the Corporate Auditor. (16KB)

March/23/2005: Tokyo Ohka Kogyo Co., Ltd. Announces TOK Receives INTEL's Prestigious Supplier Continuous Quality Improvement Award. (27KB)

March/22/2005: Tokyo Ohka Kogyo Co., Ltd. Announces Partial Amendment for Summary of Consolidated Business Results for the Third Quarter of the Fiscal Year Ending March 31, 2005. (50KB)

February/09/2005: Announcement of Third Quarter Business Results for the Fiscal Year Ending March 31, 2005.

February/09/2005: Tokyo Ohka Kogyo Co., Ltd. Announces Completion of Work to Increase in Production Capacity for Black Resist for Manufacturing LCD Color Filter. (169KB)

November/07/2005: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2005

January/14/2005: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Korea 2005

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November/17/2004: Tokyo Ohka Kogyo Co., Ltd. Announces Establishment of Research and Development Building for state-of-the-art Semiconductors Manufacturing Materials. (177KB)

October/22/2004: Tokyo Ohka Kogyo Co., Ltd. Announces Revision of Business Forecast for the Fiscal Year Ending March 31, 2005. (63KB)

August/30/2004: Tokyo Ohka Kogyo Co., Ltd. Announces Increase in Production Capacity for Black Resist for Manufacturing LCD Color Filter. (270KB)

August/10/2004: Announcement of First Quarter Business Results for the Fiscal Year Ending March 31, 2005.

August/10/2004: Tokyo Ohka Kogyo Co., Ltd. Announces Increase in Production Capacity for Black Resist for Manufacturing LCD Color Filter. (19KB)

August/09/2004: Tokyo Ohka Kogyo Co., Ltd. Announces Completion of Work to Increase in Production Capacity in Taiwan. (137KB)

June/02/2004: Tokyo Ohka Kogyo Co., Ltd. Announces Personnel Change. (24KB)

May/27/2004: Tokyo Ohka Kogyo Co., Ltd. Announces TOK Receives Intel's Prestigious Supplier Continuous Quality Improvement AWARD.

May/19/2004: Announcement of Business Results for the Fiscal Year Ended March 31, 2004.

April/01/2004: Tokyo Ohka Kogyo Co., Ltd. Announces Changes of Executives, Structural Reform, and Personnel Changes. (50KB)

March/04/2004: Tokyo Ohka Kogyo Co., Ltd. Announces the Results of Repurchase of Own Shares through ToSTNeT-2. (13KB)

March/03/2004: Tokyo Ohka Kogyo Co., Ltd. Announces the Repurchase of Own Shares through ToSTNeT-2. (13KB)

March/03/2004: Tokyo Ohka Kogyo Co., Ltd. Announces the Establishment of a Joint Venture in China for Manufacture and Sales of Materials for Production of Semiconductors and Liquid Crystal Displays. (23KB)

February/12/2004: Announcement of Third Quarter Business Results for the Fiscal Year Ending March 31, 2004.

December/22/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 6th IC PACKAGING TECHNOLOGY JAPAN

November/29/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2004

June/14/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 14th FPD MANUFACTURING TECHNOLOGY EXPO & CONFERENCE (FINETECH JAPAN).

April/27/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Singapore 2004

April/14/2004: OHKA EUROPE LTD. Will Exhibit at SEMICON^® Europa 2004

March/01/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® China 2004

February/13/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SPIE'S MICROLITHOGRAPHY 2004 Exhibition

February/10/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Korea 2004

January/13/2004: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 5th IC PACKAGING TECHNOLOGY JAPAN

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December/16/2003: Tokyo Ohka Kogyo Co., Ltd. Announces Ministerial Approval for Exemptions along with Return of the Substitutional Portion of its Pension Fund. (19KB)

November/19/2003: Announcement of Interim Business Results for the Fiscal Year Ending March 31, 2004.

October/21/2003: Tokyo Ohka Kogyo Co., Ltd. Announces the Consolidation of User Support and Sales Locations on the European Continent.

October/15/2003: Tokyo Ohka Kogyo Co., Ltd. Announces a Heightening of its Presence in Taiwan. (Increase in production capacity and opening of a new office for user support and sales). (56KB)

September/04/2003: Tokyo Ohka Kogyo Co., Ltd. Announces the Results of Repurchase of Own Shares through ToSTNeT-2. (42KB)

September/03/2003: Tokyo Ohka Kogyo Co., Ltd. Announces the Repurchase of Own Shares through ToSTNeT-2. (42KB)

August/12/2003: Tokyo Ohka Kogyo Co., Ltd. Announces the Opening of a New Office for User Support and Sales in Korea. (64KB)

August/12/2003: Announcement of First Quarter Business Results for the Fiscal Year Ending March 31, 2004.

May/21/2003: Announcement of Business Results for the Fiscal Year Ended March 31, 2003.

April/07/2003: Tokyo Ohka Kogyo Co., Ltd. Announces Revision of Business Forecast for the Fiscal Year Ending March 31, 2003.

March/26/2003: Tokyo Ohka Kogyo Co., Ltd. Announces TOK Receives Intel's Prestigious Supplier Continuous Quality Improvement AWARD.

January/08/2003: Tokyo Ohka Kogyo Co., Ltd. Announces the Opening of a New User Support and Sales Office on the European Continent as Part of its Worldwide Development of Business.

December/02/2003: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2003

September/10/2003: TOK TAIWAN CO., LTD. Will Exhibit at SEMICON Taiwan2003

June/20/2003: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 13th FPD MANUFACTURING TECHNOLOGY EXPO & CONFERENCE (FINETECH JAPAN).

May/13/2003: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at JPCA Show 2003

April/08/2003: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMI FPD Expo 2003.

March/19/2003: OHKA EUROPE LTD. Will Exhibit at SEMICON Europa 2003

February/21/2003: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® China 2003

February/14/2003: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SPIE'S MICROLITHOGRAPHY 2003 Exhibition

January/09/2003: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON Korea2003

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November/19/2002: Tokyo Ohka Kogyo Co., Ltd. Announces the Opening of a New User Support and Sales Office on the European Continent as Part of its Worldwide Development of Business.

October/17/2002: Tokyo Ohka Kogyo Co., Ltd. Announces the Results of Repurchase of Own Shares through ToSTNeT-2.

October/16/2002: Tokyo Ohka Kogyo Co., Ltd. Announces the Repurchase of Own Shares through ToSTNeT-2.

September/25/2002: Tokyo Ohka Kogyo Co., Ltd. Announces Revision of Business Forecast for the Fiscal Year Ending March 31, 2003.

August/28/2002: Tokyo Ohka Kogyo Co., Ltd. Announces the Opening of New Representative Offices in Shanghai and Singapore.

May/21/2002: Financial Highlights (For the Fiscal Year Ended March 31, 2002).

November/11/2002: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON^® Japan 2002

September/11/2002: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at Semiconductor Manufacturing Technology Forum 2002 Visual Corner

June/11/2002: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at 12th FPD MANUFACTURING TECHNOLOGY EXPO & CONFERENCE (FINETECH JAPAN).

May/09/2002: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at JPCA Show 2002

March/01/2002: OHKA EUROPE LTD. Will Exhibit at SEMICON Europa2002

January/09/2002: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON Korea2002

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December/13/2001: Tokyo Ohka Kogyo Co., Ltd. Announces to Begin Construction of a New Factory of PDP Manufacturing Materials.

November/19/2001: Interim Financial Highlights (For the First Six Months of the Fiscal Year Ending March 31, 2002).

October/03/2001: DuPont Electronic Technologies and Tokyo Ohka Kogyo Co., Ltd. Announce License and Development Agreement on Advanced Photoresists for the Microelectronics Industry.

November/09/2001: Tokyo Ohka Kogyo Co., Ltd. Will Exhibit at SEMICON Japan 2001

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Tokyo Ohka Kogyo Co., Ltd. (TOK) provides chemical products, such as photoresist, and equipment needed to manufacture semiconductors and flat panel displays (FPD).