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Osaka Gas Chemicals Co., Ltd.

USPTO Granted Patents = 17

EPO Patents = 5

Trademarks = 2

Forward Citations = 18

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39 inventors (with patents filed for the assignee):

Kenji Seki (3 out of 21 patents)

Shinichi Kamei (3 out of 3 patents)

Yoshiya Ota (3 out of 3 patents)

4. Junji Oshima (2 out of 20 patents)

5. Yuki Ouchi (2 out of 2 patents)

6. Shinsuke Miyauchi (2 out of 2 patents)

7. Koji Yamasaki (1 out of 33 patents)

8. Yukika Yamada (1 out of 19 patents)

9. Masahiro Yamada (1 out of 44 patents)

10. Eigo Miyazaki (1 out of 14 patents)

11. Hiroaki Murase (1 out of 16 patents)

12. Hirokazu Shimano (1 out of 1 patent)

13. Kenichi Fukuda (1 out of 38 patents)

14. Nobuji Sakai (1 out of 7 patents)

15. Hiroki Sakamoto (1 out of 64 patents)

17 patents: Sort by Forward Citations

1. 12466914 - Retardation film and applications thereof (2025-11-11),

2. 12415777 - Fluorene derivative, and production method and use for same (2025-09-16),

3. 12384132 - Retardation film and method for producing same (2025-08-12),

4. 12366694 - Retardation film and method for producing the same (2025-07-22),

5. 12285716 - Adsorbent, canister, and method for producing adsorbent (2025-04-29),

6. 12258284 - Activated carbon (2025-03-25),

7. 12234352 - Rubbery composition and method for producing the same (2025-02-25),

8. 11827750 - Triazine ring-containing polymer, and thermoplastic resin, article, and optical part including same (2023-11-28),

9. 11760717 - Resin composition and fluidity improvement method (2023-09-19),

10. 11149694 - Canister (2021-10-19),

11. 11078364 - Curable composition and use of same (2021-08-03),

12. 9737871 - Granular activated carbon having many mesopores, and manufacturing method for same (2017-08-22),

13. 9511030 - Controlled release particles (2016-12-06),

14. 9138417 - Controlled release particles and production method thereof (2015-09-22),

15. 8323450 - Method of manufacturing heat storage material, heat storage material, and heat storage adsorbent material and canister (2012-12-04),

Osaka Gas Chemicals Co., Ltd. is a chemical manufacturing company based in Japan. They provide a wide range of chemicals for various industries, including pharmaceuticals, electronics, and food. With a commitment to quality and innovation, Osaka Gas Chemicals continues to be a leading provider of chemical solutions worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

17 Patents

#301 in Osaka

#3,160 in Japan

#34,825 in the World

Osaka Gas Chemicals Co., Ltd.

Forward Citations = 18

39 inventors:

Kenji Seki (3 out of 21 patents)

Shinichi Kamei (3 out of 3 patents)

Yoshiya Ota (3 out of 3 patents)

4. Junji Oshima (2 out of 20 patents)

5. Yuki Ouchi (2 out of 2 patents)

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