TOKYO OHKA KOGYO CO., LTD. (TOK) provides chemical products, such as photoresist, and equipment for semiconductors and displays.

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tok Technologies - Always there is a technology on your side.

All around us the technologies developed by tok are tirelessly working for our benefit; usually hidden away, they quietly enrich our lives.
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How many times a day do you pick up your phone? Probably you've not noticed our technology packed tightly into its tiny case.

In your phone you use everyday. Cellular phones are evolving in size, weight, and performance. The tok's various microprocess technologies contribute this evolution.
 

How long in a day do you watch TV? Do you know the miracles of technology that lie on the other side of the screen?

Flat-screen television, such as liquid crystal display. The tok microprocess technology has contributed to make their pictures so smooth and beautiful.
 
 

Technology is hidden inside the PC you are using right now.

 

Personal computers are indispensable in your life, aren't they? For your more convenience, personal computers are evolved in speed, function, and performance by the tok microprocess technology.
 
 

Where we will drive today? You may not notice our technology used in your much-loved

Vehicles are indispensable in your life and social activities. The tok microprocess technology secretly helps you drive more safely and comfortably.
 
 

Always with your favorite music; with a 1,000 tunes stored in your portable music player, you probably won't notice our technology inside your player.

With a portable music player, you can enjoy music in any time and any place. It is very convenient for you to carry music in your compact player, isn't it? TOK microprocess technology has contributed this convenience.

Technology is hidden inside the solar panel just installed on the roof next door.

Among the various renewable energies, solar panel is one of the most common technologies. tok offers technology for solar cell industries which achieve higher efficiency with simpler production process.
  • The World of Nanometer
  • TOK and the Future

tok Technologies - Always there is a technology on your side.

All around us the technologies developed by tok are tirelessly working for our benefit; usually hidden away, they quietly enrich our lives.

あなたの身近にtokのテクノロジー
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How many times a day do you pick up your phone? Probably you've not noticed our technology packed tightly into its tiny case.
In your phone you use everyday. Cellular phones are evolving in size, weight, and performance. The tok's various microprocess technologies contribute this evolution.
How long in a day do you watch TV? Do you know the miracles of technology that lie on the other side of the screen?
Flat-screen television, such as liquid crystal display. The tok microprocess technology has contributed to make their pictures so smooth and beautiful.
Technology is hidden inside the PC you are using right now.
Personal computers are indispensable in your life, aren't they? For your more convenience, personal computers are evolved in speed, function, and performance by the tok microprocess technology.
Where we will drive today? You may not notice our technology used in your much-loved car.
Vehicles are indispensable in your life and social activities. The tok microprocess technology secretly helps you drive more safely and comfortably.
Always with your favorite music; with a 1,000 tunes stored in your portable music player, you probably won't notice our technology inside your player.
With a portable music player, you can enjoy music in any time and any place. It is very convenient for you to carry music in your compact player, isn't it? tok microprocess technology has contributed this convenience.
Technology is hidden inside the solar panel just installed on the roof next door.
Among the various renewable energies, solar panel is one of the most common technologies. tok offers technology for solar cell industries which achieve higher efficiency with simpler production process.
HOME About Us TOK Technologies on your side