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Japan Hydrazine Co., Ltd.

USPTO Granted Patents = 16

Forward Citations = 33

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34 inventors (with patents filed for the assignee):

Shunji Hyoda (7 out of 8 patents)

Shiro Hojo (6 out of 6 patents)

Hirotoshi Sawada (5 out of 5 patents)

4. Yoichi Hasegawa (5 out of 5 patents)

5. Masaharu Kita (3 out of 6 patents)

6. Shuichi Nemugaki (3 out of 4 patents)

7. Youichi Hasegawa (3 out of 3 patents)

8. Hiroyuki Fujita (3 out of 3 patents)

9. Mineo Nakagawa (3 out of 3 patents)

10. Takahiro Ueta (2 out of 3 patents)

11. Kohki Satoh (2 out of 2 patents)

12. Yasuo Oki (2 out of 2 patents)

13. Sumio Otsuka (2 out of 2 patents)

14. Yoshitaka Miyawaki (2 out of 2 patents)

15. Tetsuji Iwasaki (2 out of 33 patents)

16 patents: Sort by Forward Citations

1. 7122676 - Process for the preparation of 5,5'-bi-1H-tetrazolediammonium salts using hydrazine hydrate and dicyan as starting materials (2006-10-17),

2. 6194577 - Process for producing alicyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine (2001-02-27),

3. 6156906 - Process for the preparation of 5,5'-bi-1H-tetrazole salt (2000-12-05),

4. 6040453 - Method for preparing 5,5'-bi-1H-tetrazole salt (2000-03-21),

5. 5977360 - Process for producing cyclic hydrazine derivatives, (1999-11-02),

6. 5731465 - Process for the preparation of tertiary butyl hydrazine hydrohalogenide (1998-03-24),

7. 5663365 - Process for the preparation of pyrazolones (1997-09-02),

8. 5618978 - Method of producing choline of a high purity (1997-04-08),

9. 5610209 - Heat-resistant epoxy resin composition having excellent stability at (1997-03-11),

10. 4855501 - Process for preparation of monomethylhydrazine (1989-08-08),

11. 4732605 - Plant growth regulator composition (1988-03-22),

12. 4435600 - Process for preparation of tertiary butyl hydrazine (1984-03-06),

13. 4369057 - Plant growth inhibiting composition (1983-01-18),

14. 4310696 - Process for producing inorganic acid salts of tertiary butyl hydrazine (1982-01-12),

15. 4281198 - Process for producing methylhydrazines (1981-07-28),

Japan Hydrazine Co., Ltd. is a leading chemical manufacturing company specializing in the production and distribution of hydrazine and related chemicals. With a strong focus on quality and safety, we provide innovative solutions to industries such as pharmaceuticals, agriculture, and aerospace. Our commitment to sustainability and customer satisfaction sets us apart in the market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

16 Patents

#1,303 in Tokyo

#3,262 in Japan

#36,671 in the World

Japan Hydrazine Co., Ltd.

Forward Citations = 33

34 inventors:

Shunji Hyoda (7 out of 8 patents)

Shiro Hojo (6 out of 6 patents)

Hirotoshi Sawada (5 out of 5 patents)

4. Yoichi Hasegawa (5 out of 5 patents)

5. Masaharu Kita (3 out of 6 patents)

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