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Coorstek Kk

USPTO Granted Patents = 29

EPO Patents = 4

Trademarks = 2

Forward Citations = 22

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39 inventors (with patents filed for the assignee):

Yoshihisa Abe (9 out of 16 patents)

Kenichi Eriguchi (7 out of 11 patents)

Jun Komiyama (7 out of 16 patents)

4. Hiroshi Oishi (6 out of 12 patents)

5. Mitsuhiro Fujita (4 out of 18 patents)

6. Noriko Omori (4 out of 4 patents)

7. Masaki Irie (3 out of 6 patents)

8. Shuko Akamine (3 out of 4 patents)

9. Hiroki Watanabe (2 out of 2 patents)

10. Yuji Fukasawa (2 out of 2 patents)

11. Takeshi Ogitsu (2 out of 2 patents)

12. Ryohei Saito (1 out of 1 patent)

13. Akira Yoshida (1 out of 114 patents)

14. Yukiko Kikuchi (1 out of 6 patents)

15. Ramesh Vallepu (1 out of 1 patent)

29 patents: Sort by Forward Citations

1. 11905219 - Alumina ceramic (2024-02-20),

2. 11760694 - Alumina sintered body and manufacturing method therefor (2023-09-19),

3. 11605716 - Nitride semiconductor substrate and method of manufacturing the same (2023-03-14),

4. 11512247 - Phosphor plate (2022-11-29),

5. 11264243 - Conductive diffuser and manufacturing method of the same (2022-03-01),

6. 11230795 - Silica-glass crucible and production method thereof (2022-01-25),

7. 11201217 - Nitride semiconductor substrate (2021-12-14),

8. 11072555 - Glass member (2021-07-27),

9. 10974183 - Break filter using a silicon carbide porous body and manufacturing method of the break filter (2021-04-13),

10. 10830301 - Short carbon fiber-reinforced composite material and method for producing same (2020-11-10),

11. 10825895 - Nitride semiconductor substrate (2020-11-03),

12. 10674566 - Planar heater (2020-06-02),

13. 10593790 - Nitride semiconductor substrate and method for manufacturing the same (2020-03-17),

14. 10559679 - Nitride semiconductor epitaxial substrate (2020-02-11),

15. 10252933 - Silica glass member and method of manufacturing the same (2019-04-09),

COORSTEK KK is a leading provider of advanced technology ceramic and metal components and sub-assemblies for various industries. With a strong focus on research and development, they offer innovative solutions for customers around the world. Visit their website to learn more about their products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

29 Patents

#946 in Tokyo

#2,304 in Japan

#21,869 in the World

Coorstek Kk

Forward Citations = 22

39 inventors:

Yoshihisa Abe (9 out of 16 patents)

Kenichi Eriguchi (7 out of 11 patents)

Jun Komiyama (7 out of 16 patents)

4. Hiroshi Oishi (6 out of 12 patents)

5. Mitsuhiro Fujita (4 out of 18 patents)

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