Company Filing History:

19 out of 677

Eisai Company, Limited

Muromachi Kagaku Kogyo Kaisha, Ltd.

patent

Years Active: 1981-1999

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21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5919778 - Cyclic amide derivatives (1999-07-06),

2. 5780509 - Compound bearing two, 2,6-diiodophenol-4-YL groups and diagnostic drug (1998-07-14),

3. 5654308 - Bicyclic amide derivatives, compositions and methods of treatment (1997-08-05),

4. 5620976 - Benzoxazine derivatives (1997-04-15),

5. 5523307 - Cyclic amine and pharmacological composition (1996-06-04),

6. 5521182 - 1,2,3,4 tetrahydropteridinone cyclic amide derivatives (1996-05-28),

7. 5504088 - 2H-3,4-tetrahydroquinazoline-2-one and (1996-04-02),

8. 5292735 - Cyclic amide derivatives (1994-03-08),

9. 5196439 - Piperidine compounds useful to treat cerebrovascular diseases (1993-03-23),

10. 5100901 - Cyclic amine compounds and pharmaceutical use (1992-03-31),

11. 4921863 - Cyclic amine derivatives (1990-05-01),

12. 4895841 - Cyclic amine compounds with activity against acetylcholinesterase (1990-01-23),

13. 4707468 - Polypeptide (1987-11-17),

14. 4661630 - Carboxylic acid amides and their derivatives (1987-04-28),

15. 4602031 - Anti-depressant imidazoles, compositions and use (1986-07-22),

Title: Kiyomi Yamatsu: Leading Innovator in Cyclic Amide Derivatives

Introduction

Kiyomi Yamatsu, located in Kamakura, Japan, is an accomplished inventor with an impressive portfolio of 21 patents. His contributions to the field of cyclic amide derivatives are particularly noteworthy, showcasing his innovative spirit and commitment to advancing pharmaceutical science.

Latest Patents

Among his latest inventions is a patent on cyclic amide derivatives defined by a specific chemical formula. This compound, characterized by a unique structure involving R1, n, and Z, is pharmacologically effective in preventing and treating diseases related to insufficiency of central choline functions. Additionally, Yamatsu has developed another significant invention involving compounds that incorporate two 2,6-diiodophenol-4-YL groups, which serve as a promising diagnostic drug.

Career Highlights

Kiyomi Yamatsu has had a successful career, primarily associated with Eisai Company, Limited, and Eisai Co., Ltd. His work in these renowned companies has significantly contributed to advancing drug discovery and development, particularly in the realm of pharmaceuticals focusing on neurological functions.

Collaborations

Throughout his career, Yamatsu has collaborated with notable researchers such as Hachiro Sugimoto and Norio Karibe. These partnerships have fostered an environment of innovation, leading to the successful development of various patented compounds essential for therapeutic interventions.

Conclusion

Kiyomi Yamatsu stands out as a significant figure in the field of cyclic amide derivatives. With his extensive number of patents and collaborations, he continues to impact the pharmaceutical landscape positively, dedicated to finding solutions for medical challenges.

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