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Bizen-Shi, Okayama, Japan

Kuraray Chemical Co., Ltd.

USPTO Granted Patents = 31

EPO Patents = 3

Forward Citations = 390

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77 inventors (with patents filed for the assignee):

Shushi Nishimura (7 out of 16 patents)

Susumu Abe (5 out of 5 patents)

Shigeki Oyama (5 out of 33 patents)

4. Hideharu Iwasaki (4 out of 53 patents)

5. Mitsunori Hitomi (4 out of 17 patents)

6. Kiyoto Otsuka (4 out of 10 patents)

7. Tetsuya Hanamoto (4 out of 14 patents)

8. Takeshi Fujino (4 out of 31 patents)

9. Takayuki Yoshikawa (3 out of 7 patents)

10. Takayuki Yamada (3 out of 17 patents)

11. Akimi Ogawa (3 out of 3 patents)

12. Takanori Kitamura (3 out of 3 patents)

13. Yuji Kawabuchi (3 out of 3 patents)

14. Eiji Tanaka (3 out of 11 patents)

15. Naohiro Sonobe (2 out of 42 patents)

31 patents: Sort by Forward Citations

1. 9508494 - Carbonaceous material for negative electrodes of lithium ion capacitors and method for producing same (2016-11-29),

2. 9478805 - Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries and method for producing same (2016-10-25),

3. 9368292 - Carbon material for polarizable electrodes and method for producing same (2016-06-14),

4. 9359390 - Activated carbon and use therefor (2016-06-07),

5. 9174195 - Adsorbent for canister, and canister (2015-11-03),

6. 9033158 - Molded activated charcoal and water purifier involving same (2015-05-19),

7. 8864877 - Method for reducing evaporated fuel emission, canister and adsorbent therefor (2014-10-21),

8. 8265330 - Material for speaker device and speaker device using it (2012-09-11),

9. 8226747 - Adsorbent, process for producing the same, canister and method for using the same (2012-07-24),

10. 7785407 - Evaporated fuel gas adsorbent, evaporated fuel gas trapping apparatus, active carbon and process for producing the same (2010-08-31),

11. 7759289 - Activated carbon, method for production thereof, polarizing electrode and electrical double layer capacitor (2010-07-20),

12. 7709415 - Method for manufacturing activated carbon, polarizable electrode, and electric double-layered capacitor (2010-05-04),

13. 7670408 - Method of separating nitrogen gas and molecular sieve carbon (2010-03-02),

14. 7666507 - Activated carbon product in sheet form and element of device for preventing transpiration of fuel vapor (2010-02-23),

15. 7410510 - Process of producing activated carbon for electrode of electric double layer capacitor (2008-08-12),

KURARAY CHEMICAL CO., LTD. is a global leader in the development and manufacturing of innovative chemical products. With a focus on creating solutions for a wide range of industries, including automotive, electronics, and packaging, Kuraray Chemical's products are known for their high performance and reliability. The company is committed to research and development, striving to provide sustainable and eco-friendly solutions for a rapidly changing world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

31 Patents

#1 in Bizen-Shi, Okayama

#2,215 in Japan

#20,637 in the World

Bizen-Shi, Okayama, Japan

Kuraray Chemical Co., Ltd.

Forward Citations = 390

77 inventors:

Shushi Nishimura (7 out of 16 patents)

Susumu Abe (5 out of 5 patents)

Shigeki Oyama (5 out of 33 patents)

4. Hideharu Iwasaki (4 out of 53 patents)

5. Mitsunori Hitomi (4 out of 17 patents)

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