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Forward Citations = 28

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20 inventors (with patents filed for the assignee):

Toshiki Okui (2 out of 13 patents)

Koji Saito (2 out of 31 patents)

Kouichi Misumi (2 out of 4 patents)

4. Hiroshi Komano (2 out of 42 patents)

5. Masahito Yahagi (1 out of 22 patents)

6. Tatsuya Fujii (1 out of 13 patents)

7. Yuki Fukumura (1 out of 7 patents)

8. Tsuyoshi Nakamura (1 out of 69 patents)

9. Yoshitaka Komuro (1 out of 42 patents)

10. Issei Suzuki (1 out of 10 patents)

11. Toshikazu Takayama (1 out of 12 patents)

12. Takashi Kamizono (1 out of 17 patents)

13. Kazuaki Ebisawa (1 out of 11 patents)

14. Hideto Nito (1 out of 18 patents)

15. Hiroaki Shimizu (1 out of 55 patents)

5 patents: Sort by Forward Citations

1. 10394122 - Resist composition, method for forming resist pattern, compound, and acid generator (2019-08-27),

2. 9405200 - Resist composition and method of forming resist pattern (2016-08-02),

3. 7129018 - Negative photoresist compositions for the formation of thick films, photoresist films and methods of forming bumps using the same (2006-10-31),

4. 7063934 - Negative photoresist compositions for the formation of thick films, photoresist films and methods of forming bumps using the same (2006-06-20),

5. 4996132 - Heat-resistant photosensitive resin composition (1991-02-26),

Toyko Ohka Kogyo Co., Ltd. is a leading global manufacturer of specialty chemicals and materials. With a focus on research and development, the company provides innovative solutions in various industries such as electronics, automotive, and healthcare. Their products are known for their high quality and reliability, making them a trusted partner for many businesses worldwide.

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USPTO Data Jan 1 1976 - Dec 23 2025

5 Patents

#10 in Kawasaki-shi

#6,488 in Japan

Kawasaki-shi, Japan

Toyko Ohka Kogyo Co., Ltd.