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Seikagaku Kogyo Kabushiki Kaisha (Seikagaku Corporation)

USPTO Granted Patents = 27

Trademarks = 2

Forward Citations = 427

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46 inventors (with patents filed for the assignee):

Shigenori Tanaka (10 out of 27 patents)

Hiroshi Tamura (8 out of 124 patents)

Jun Aketagawa (3 out of 9 patents)

4. Masateru Naganuma (3 out of 5 patents)

5. Yuko Shibata (2 out of 8 patents)

6. Toshio Oda (2 out of 14 patents)

7. Hideo Mochizuki (2 out of 9 patents)

8. Seiichiro Ogawa (2 out of 6 patents)

9. Satoshi Miyauchi (2 out of 9 patents)

10. Akio Hamai (2 out of 3 patents)

11. Nobukazu Hashimoto (2 out of 4 patents)

12. Yoshihiro Motani (2 out of 3 patents)

13. Takehisa Matsuda (2 out of 4 patents)

14. Kazuhiro Aita (2 out of 2 patents)

15. Kenji Miyamoto (1 out of 71 patents)

27 patents: Sort by Forward Citations

1. 6245897 - Monoclonal antibody recognizing cell surface antigen CD14 (2001-06-12),

2. 6025444 - Cinnamic acid derivative (2000-02-15),

3. 6001630 - Pharmaceutical compositions of chondroitinase ABC isolated from Proteus (1999-12-14),

4. 5861520 - Glycolipid analogs (1999-01-19),

5. 5861378 - Horseshoe crab hemocyte polypeptides, and preparation and DNA encoding (1999-01-19),

6. 5840510 - Reagent for endotoxin assay and method for endotoxin assay using the same (1998-11-24),

7. 5801162 - Dermatan sulfate compositions and antithrombotic compositions containing (1998-09-01),

8. 5789462 - Photocured crosslinked-hyaluronic acid contact lens (1998-08-04),

9. 5763504 - Photcurable glycosaminoglycan derivatives, crosslinked (1998-06-09),

10. 5763205 - Producing pure chondroitinase ABC from Proteus vulgaris ATCC 6896 (1998-06-09),

11. 5718723 - Artificial blood vessel and process for producing the same (1998-02-17),

12. 5702882 - Reagent for endotoxin-specific assay (1997-12-30),

13. 5695948 - Reagent for endotoxin assay and method for endotoxin assay using the same (1997-12-09),

14. 5688250 - Syringe (1997-11-18),

15. 5684026 - Aminocyclopentane derivative (1997-11-04),

Seikagaku Corporation is a Japanese chemical manufacturing company and a global leader in the development, manufacture, and marketing of pharmaceutical and medical products. With a focus on innovation, Seikagaku Corporation strives to enhance human health and quality of life through their cutting-edge research and development in the fields of osteoarthritis, diabetes, and regenerative medicine.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

27 Patents

#993 in Tokyo

#2,405 in Japan

#23,290 in the World

Seikagaku Kogyo Kabushiki Kaisha (Seikagaku Corporation)

Forward Citations = 427

46 inventors:

Shigenori Tanaka (10 out of 27 patents)

Hiroshi Tamura (8 out of 124 patents)

Jun Aketagawa (3 out of 9 patents)

4. Masateru Naganuma (3 out of 5 patents)

5. Yuko Shibata (2 out of 8 patents)

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