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Seikagaku Kogyo Kabushiki Kaisha

USPTO Granted Patents = 41

CIPO Patents = 1

Trademarks = 20

Forward Citations = 649

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70 inventors (with patents filed for the assignee):

Koji Kimata (8 out of 22 patents)

Osami Habuchi (5 out of 10 patents)

Hiroshi Tamura (4 out of 124 patents)

4. Masaki Saito (3 out of 49 patents)

5. Shigenori Tanaka (3 out of 27 patents)

6. Hisashi Narimatsu (3 out of 26 patents)

7. Takashi Sato (3 out of 24 patents)

8. Masanori Goto (3 out of 5 patents)

9. Hiroko Habuchi (3 out of 6 patents)

10. Toshikazu Yada (3 out of 4 patents)

11. Sadaaki Iwanaga (3 out of 8 patents)

12. Sakaru Suzuki (3 out of 4 patents)

13. Toshio Oda (2 out of 14 patents)

14. Nobuo Kobayashi (2 out of 42 patents)

15. Tsuneo Koji (2 out of 10 patents)

Core Competencies:

Needle Hub

Sialyltransferase

Chondroitin Synthase

Inflammatory Bowel Diseases

Glycosaminoglycan Derivatives

Heparan Sulfate

Endotoxin Stabilizing Agent

Injection Device

Polypeptides

Oligosaccharides

Amino Alcohol Derivatives

Photocurable Derivatives

41 patents: Sort by Forward Citations

1. D827814 - Needle hub for syringe (2018-09-04),

2. 8202705 - Sialyltransferase and DNA encoding the same (2012-06-19),

3. 8163943 - Epoxycarboxamide compound, azide compound, and amino alcohol compound, and process for preparing α-keto amide compound using them (2012-04-24),

4. 7470529 - Chondroitin synthase and nucleic acid encoding the enzyme (2008-12-30),

5. 7354910 - Agent for treating inflammatory bowel diseases (2008-04-08),

6. 7335515 - (1→3)-β-D-glucan binding domain protein, measuring method using the substance and assay kit (2008-02-26),

7. 7333847 - Method for evaluation of tissue adhesion level (2008-02-19),

8. 7326799 - Epoxycarboxamide compound, azide compound, and amino alcohol compound, and process for preparing alpha-keto amide compound using them (2008-02-05),

9. 7273729 - Chondroitin synthase and DNA encoding the enzyme (2007-09-25),

10. 7256278 - Sialyltransferase and DNA encoding the same (2007-08-14),

11. 7232676 - Chondroitin synthase and nucleic acid encoding the enzyme (2007-06-19),

12. 6555371 - Sialyltransferase and DNA encoding the same (2003-04-29),

13. 6335444 - Amino alcohol derivative and method for preparing the same (2002-01-01),

14. 6228998 - Amino spacered glycosaminoglycan derivatives and their use in copolymerization with acrylamide (2001-05-08),

15. 6168924 - Limulus reaction-activating substance, method for inactivating the substance and measuring its amount, and method for measuring limulus reaction (2001-01-02),

Seikagaku Kogyo Kabushiki Kaisha is a Japanese pharmaceutical company specializing in the research, development, and production of pharmaceuticals, medical devices, and biotechnology products. Established in 1947, Seikagaku is known for its innovative products and commitment to improving healthcare worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

41 Patents

#792 in Tokyo

#1,897 in Japan

#16,223 in the World

Seikagaku Kogyo Kabushiki Kaisha

Forward Citations = 649

70 inventors:

Koji Kimata (8 out of 22 patents)

Osami Habuchi (5 out of 10 patents)

Hiroshi Tamura (4 out of 124 patents)

4. Masaki Saito (3 out of 49 patents)

5. Shigenori Tanaka (3 out of 27 patents)

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