For the Inventor, By the Inventor

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Kawasaki-shi, Japan

Tokyo Ohka Kogyo., Ltd.

USPTO Granted Patents = 3

Forward Citations = 20

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12 inventors (with patents filed for the assignee):

Hitoshi Yamano (1 out of 11 patents)

Masahito Yahagi (1 out of 22 patents)

Ken Miyagi (1 out of 36 patents)

4. Tasuku Matsumiya (1 out of 33 patents)

5. Tsuyoshi Kurosawa (1 out of 19 patents)

6. Jun Iwashita (1 out of 27 patents)

7. Hideo Hada (1 out of 94 patents)

8. Satoshi Fujimura (1 out of 38 patents)

9. Hiroyuki Iida (1 out of 8 patents)

10. Kazuto Ohbuchi (1 out of 5 patents)

11. Atsushi Matsushita (1 out of 16 patents)

12. Yoshio Hagiwara (1 out of 20 patents)

3 patents: Sort by Forward Citations

1. 9821338 - Method of producing structure containing phase-separated structure utilizing a brush composition comprising PS-PMMA (2017-11-21),

2. 6982140 - Positive resist composition and method of forming resist pattern (2006-01-03),

3. 6503825 - Method for forming multi-layer wiring structure (2003-01-07),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#15 in Kawasaki-shi

#8,767 in Japan

Kawasaki-shi, Japan

Tokyo Ohka Kogyo., Ltd.

Forward Citations = 20

12 inventors:

Hitoshi Yamano (1 out of 11 patents)

Masahito Yahagi (1 out of 22 patents)

Ken Miyagi (1 out of 36 patents)

4. Tasuku Matsumiya (1 out of 33 patents)

5. Tsuyoshi Kurosawa (1 out of 19 patents)

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