For the Inventor, By the Inventor

Enter assignee name

Hamari Chemicals, Ltd.

USPTO Granted Patents = 20

CIPO Patents = 3

EPO Patents = 7

Trademarks = 6

Forward Citations = 136

Loading Chart...

Loading Chart...

57 inventors (with patents filed for the assignee):

Sadayuki Maeda (6 out of 6 patents)

Yasuhiro Nishimura (5 out of 6 patents)

Hiroki Moriwaki (3 out of 3 patents)

4. Tatsunori Sato (3 out of 3 patents)

5. Naomichi Mitsumori (3 out of 3 patents)

6. Masahiro Takaya (3 out of 4 patents)

7. Aki Kawashima (2 out of 2 patents)

8. Akie Kawamura (2 out of 2 patents)

9. Ryosuke Takeda (2 out of 2 patents)

10. Vadim A Soloshonok (2 out of 2 patents)

11. Hajime Fujimura (2 out of 16 patents)

12. Michito Karasawa (2 out of 2 patents)

13. Takuzo Otani (2 out of 2 patents)

14. Katsuo Aizawa (2 out of 6 patents)

15. Mari Uchimoto (2 out of 2 patents)

20 patents: Sort by Forward Citations

1. 11084846 - Method for producing peptide (2021-08-10),

2. 9695112 - Method for synthesizing optically active α-amino acid using chiral metal complex comprising axially chiral N-(2-acylaryl)-2-[5,7-dihydro-6H-dibenzo[c,e]azepin-6-yl] acetamide compound and amino acid (2017-07-04),

3. 9688612 - Axially chiral N-(2-acylaryl)-2-[5,7-dihydro-6h-dibenzo[c,e]azepin-6-yl] acetamide compound and chirality interconversion method of a-amino acid using the same (2017-06-27),

4. 9174899 - Method for producing optically active alcohols (2015-11-03),

5. 9108986 - Method for producing optically active tetrahydroquinolines (2015-08-18),

6. 8445669 - Production process of ethynylthymidine compounds from 5-methyluridine as a starting material (2013-05-21),

7. 8222452 - Method for producing optically active amines (2012-07-17),

8. 7622469 - 2,4-diamino-1,3,5-triazine derivatives (2009-11-24),

9. 6358999 - Use of zinc tranexamate in the treatment of diabetes (2002-03-19),

10. 5238931 - Inflammatory bowel disease preventive and curative agent containing zinc (1993-08-24),

11. 5055469 - Quaternary pyridinium salts useful for ulcer treatment (1991-10-08),

12. 4981846 - Crystalline L-carnosine zinc complex having antiulcer activity (1991-01-01),

13. 4965064 - Pheophorbide derivatives (1990-10-23),

14. 4950667 - Pyridinyl acetamide compounds useful in treating ulcers (1990-08-21),

15. 4927817 - Preventive and therapeutic agent against liver disorder (1990-05-22),

Hamari Chemicals, Ltd. is a leading manufacturer and supplier of specialty chemicals for various industries. With a strong focus on innovation and quality, we provide high-performance chemicals and solutions to meet the specific needs of our customers. Our extensive product range includes additives, intermediates, and specialty chemicals used in sectors such as pharmaceuticals, agrochemicals, and coatings. With a commitment to sustainability and customer satisfaction, we strive to be a trusted partner for all your chemical needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

20 Patents

#278 in Osaka

#2,885 in Japan

#30,346 in the World

Hamari Chemicals, Ltd.

Forward Citations = 136

57 inventors:

Sadayuki Maeda (6 out of 6 patents)

Yasuhiro Nishimura (5 out of 6 patents)

Hiroki Moriwaki (3 out of 3 patents)

4. Tatsunori Sato (3 out of 3 patents)

5. Naomichi Mitsumori (3 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…