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For the Inventor, By the Inventor

Tokyo, Japan

Asahi Kasei Kabushiki Kaisha


USPTO Granted Patents = 943



Trademarks = 175

Forward Citations = 4,446

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1,745 inventors (with patents filed for the assignee):

goldMedal Nobuhiro Okada (22 out of 43 patents)

silverMedal Yoshifumi Araki (18 out of 37 patents)

bronzeMedal Kazuteru Umetsu (17 out of 17 patents)

4.  Jinichiro Kato (16 out of 25 patents)

5.  Hajime Nishihara (16 out of 22 patents)

6.  Nobuhisa Miyake (15 out of 52 patents)

7.  Masaaki Shinohata (13 out of 37 patents)

8.  Yasuhiro Kusanose (12 out of 24 patents)

9.  Katsuhiro Fujimoto (12 out of 13 patents)

10.  Yuima Kimura (11 out of 11 patents)

11.  Toru Yumoto (11 out of 11 patents)

12.  Naoki Matsuoka (11 out of 13 patents)

13.  Shiro Kobayashi (11 out of 18 patents)

14.  Masaya Yamashita (11 out of 25 patents)

15.  Takeshi Kamijo (11 out of 11 patents)


Core Competencies:
Crosslinking Rubber Composition
Nonaqueous Secondary Battery
Polyethylene Powder
Cellulose Composition
Continuous Fiber Reinforced Resin
Photosensitive Resin Composition
Hydrogen Production System
Forward Osmosis Membrane
Microwell Film for Bioassay
Porous Polyimide Composition
Reinforced Resin Composition
Elastic Mattress

943 patents:

1. 12495492 - Glass fabric, prepreg, and printed circuit board (2025-12-09),
2. 12479983 - Packaged molded article, crosslinking rubber composition, method for producing packaged molded article, method for producing crosslinking rubber composition, and tread for tire (2025-11-25),
3. 12476284 - Non-aqueous electrolyte solution, cell pack, and method for manufacturing cell pack (2025-11-18),
4. 12473672 - Surface covering material (2025-11-18),
5. 12473385 - Ultrahigh-molecular-weight polyethylene powder and molded article prepared by molding the same (2025-11-18),
6. 12454609 - Polyethylene powder and molded article (2025-10-28),
7. 12441883 - Continuous fiber reinforced resin composite material and method of producing same, and continuous fiber reinforced resin molded article (2025-10-14),
8. 12441065 - Formed article, welding method, and method of manufacturing formed article (2025-10-14),
9. 12435184 - Reinforced resin composition, molded product, and method of improving tensile strength at elevated temperatures (2025-10-07),
10. 12427113 - Cellulose composition, tablet, and orally disintegrating tablet (2025-09-30),
11. 12421613 - Electrolysis system and method of use of the same (2025-09-23),
12. 12421349 - Polyphenylene ether composition (2025-09-23),
13. 12421333 - Polyethylene powder and molded article thereof (2025-09-23),
14. 12420233 - Raw material liquid concentration system (2025-09-23),
15. 12410277 - Block polyisocyanate composition, resin composition, resin film and layered body (2025-09-09),
Asahi Kasei Corporation is a global chemical company that manufactures a wide range of products including chemicals, fibers, and electronics materials. The company operates in various sectors such as healthcare, materials, and homes & construction. Asahi Kasei focuses on innovation and sustainability in all its business activities.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

943 Patents

#106 in Tokyo

#232 in Japan

#1,047 in the World

...
Tokyo, Japan

Asahi Kasei Kabushiki Kaisha

Forward Citations = 4,446

1,745 inventors:

goldMedal Nobuhiro Okada (22 out of 43 patents)

silverMedal Yoshifumi Araki (18 out of 37 patents)

bronzeMedal Kazuteru Umetsu (17 out of 17 patents)

4.  Jinichiro Kato (16 out of 25 patents)

5.  Hajime Nishihara (16 out of 22 patents)

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