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Seikagaku Kogyo Co. Ltd.

USPTO Granted Patents = 23

Forward Citations = 374

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45 inventors (with patents filed for the assignee):

Akiyoshi Matsumoto (5 out of 9 patents)

Hiroshi Tamura (4 out of 124 patents)

Shigenori Tanaka (4 out of 27 patents)

4. Yoshimasa Fujita (4 out of 4 patents)

5. Tadashi Hishida (4 out of 6 patents)

6. Yuko Shibata (3 out of 8 patents)

7. Jun Aketagawa (3 out of 9 patents)

8. Shoji Takahashi (3 out of 29 patents)

9. Yutaka Mizushima (3 out of 25 patents)

10. Sadaaki Iwanaga (3 out of 8 patents)

11. Makoto Ohki (3 out of 5 patents)

12. Akira Kamata (3 out of 6 patents)

13. Chizuko Nakahara (3 out of 3 patents)

14. Isao Kawakami (3 out of 4 patents)

15. Katukiyo Sakurai (3 out of 3 patents)

23 patents: Sort by Forward Citations

1. 5641643 - Horseshoe crab amebocyte lysate factor G activation inhibitor (1997-06-24),

2. 5571892 - Polypeptide and anti-HIV drug prepared therefrom (1996-11-05),

3. 5474984 - Horseshoe crab amebocyte lysate factor G activation inhibitor (1995-12-12),

4. 5416194 - Polypeptide having affinity for lipopolysaccharide and method for (1995-05-16),

5. 5362491 - Modified biologically active protein composition (1994-11-08),

6. 5198355 - Purification of glycosaminoglycan degrading enzymes with a sulfated (1993-03-30),

7. 5155032 - Horseshoe crab amebocyte lysate factor G activation inhibitor (1992-10-13),

8. 5120870 - Emulsion of lipid containing a prostaglandin analogue (1992-06-09),

9. 5109118 - Modified biologically active proteins (1992-04-28),

10. 5068314 - Lipopolysaccharide-binding polypeptide (1991-11-26),

11. 4863907 - Crosslinked glycosaminoglycans and their use (1989-09-05),

12. 4716224 - Crosslinked hyaluronic acid and its use (1987-12-29),

13. 4495294 - Method for determining bacterial endotoxin and kit therefor (1985-01-22),

14. 4454123 - O-xylopyranoside series compounds and methods of use (1984-06-12),

15. 4446312 - C-.beta.-D-Xylopyranoside series compounds (1984-05-01),

Seikagaku Kogyo Co., Ltd. is a pharmaceutical company based in Tokyo, Japan. Established in 1947, the company specializes in the research, development, manufacturing, and sales of pharmaceuticals, medical devices, and chemicals. They focus on areas such as orthopedics, rheumatology, and endocrinology to provide innovative solutions for patient care. With a commitment to scientific excellence and high-quality products, Seikagaku Kogyo Co., Ltd. strives to contribute to the well-being of society and improve the quality of life for individuals worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

23 Patents

#1,091 in Tokyo

#2,646 in Japan

#26,841 in the World

Seikagaku Kogyo Co. Ltd.

Forward Citations = 374

45 inventors:

Akiyoshi Matsumoto (5 out of 9 patents)

Hiroshi Tamura (4 out of 124 patents)

Shigenori Tanaka (4 out of 27 patents)

4. Yoshimasa Fujita (4 out of 4 patents)

5. Tadashi Hishida (4 out of 6 patents)

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