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Gun Ei Chemical Industry Co., Ltd.

Patents = 17

Trademarks = 3

Forward Citations = 134

where 'Filed Patents' based on already Granted Patents

where 'Inventors Filed' based on already Granted Patents

49 inventors (with patents filed for the assignee):

Yoshiaki Kurimoto (8 out of 8 patents)

Yukio Abe (6 out of 8 patents)

Satoru Kitano (4 out of 6 patents)

4. Akiyuki Kojima (4 out of 4 patents)

5. Michiyasu Yamazaki (3 out of 3 patents)

6. Satoru Yoshida (3 out of 3 patents)

7. Katsuhiro Maruyama (3 out of 3 patents)

8. Tsuyoshi Fukuda (3 out of 3 patents)

9. Kaori Hasegawa (3 out of 3 patents)

10. Takeshi Tsuihiji (2 out of 2 patents)

11. Akira Yoshitomo (2 out of 2 patents)

12. Kazuaki Yuba (2 out of 3 patents)

13. Masayuki Tsunaga (2 out of 3 patents)

14. Satoshi Wada (1 out of 55 patents)

15. Yuko Okusa (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 10519598 - Method for suppressing pitch formation (2019-12-31),

2. 9481751 - Curable resin, method of producing the same, and cured product (2016-11-01),

3. 7267876 - Resin-coated sand (2007-09-11),

4. 7087799 - Amino group containing phenol derivative (2006-08-08),

5. 7019045 - Amino group containing phenol (2006-03-28),

6. 6653418 - Process for preparing polymer compound for resist (2003-11-25),

7. 6242533 - Novolak type phenol resin (2001-06-05),

8. 6211328 - Phenol resin (2001-04-03),

9. 6124420 - Epoxy resin, epoxy resin composition and hardened product thereof (2000-09-26),

10. 6001949 - Novolak type phenolic resins and methods of manufacturing thereof (1999-12-14),

11. 5929191 - Novolak type phenolic resins and methods of manufacturing thereof (1999-07-27),

12. 5859168 - Novolak type phenolic resins and methods of manufacturing thereof (1999-01-12),

13. 5545458 - Foamed phenolic composite molding (1996-08-13),

14. 5248451 - Electrically conductive copper composition (1993-09-28),

15. 5230960 - Activated carbon fiber structure and process for producing the same (1993-07-27),

Gun Ei Chemical Industry Co., Ltd. is a leading manufacturer of high-quality chemical products for various industries such as electronics, automotive, and construction. With over 50 years of experience, we specialize in providing innovative solutions and technical support to our customers worldwide. Our commitment to quality and customer satisfaction has earned us a strong reputation in the market.

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

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USPTO Data Jan 1 1976 - Dec 2 2025

17 Patents

#12 in Gunma

#3,157 in Japan

#34,814 in the World

Gun Ei Chemical Industry Co., Ltd.

Forward Citations = 134

49 inventors:

Yoshiaki Kurimoto (8 out of 8 patents)

Yukio Abe (6 out of 8 patents)

Satoru Kitano (4 out of 6 patents)

4. Akiyuki Kojima (4 out of 4 patents)

5. Michiyasu Yamazaki (3 out of 3 patents)

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