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Daiichi Pharmaceutical Co., Ltd.

USPTO Granted Patents = 200

CIPO Patents = 5

EPO Patents = 3

Trademarks = 4

Forward Citations = 1,509

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390 inventors (with patents filed for the assignee):

Makoto Takemura (26 out of 93 patents)

Hisashi Takahashi (20 out of 55 patents)

Youichi Kimura (16 out of 20 patents)

4. Rie Miyauchi (15 out of 22 patents)

5. Hiroshi Kikuchi (13 out of 91 patents)

6. Hirofumi Terasawa (12 out of 15 patents)

7. Hitoshi Ohki (11 out of 16 patents)

8. Katsuhiro Kawakami (11 out of 13 patents)

9. Isao Hayakawa (11 out of 27 patents)

10. Akio Ejima (10 out of 13 patents)

11. Tsunehiko Soga (9 out of 11 patents)

12. Satoru Ohsuki (9 out of 11 patents)

13. Yukio Yokoyama (8 out of 36 patents)

14. Norio Suzuki (8 out of 90 patents)

15. Kouichi Uoto (7 out of 10 patents)

Core Competencies:

Aminopyrrolidine Derivatives

Ethylenediamine Derivatives

Heterocyclic Compounds

Optically Active Intermediates

Cyclohexanecarboxylic Acid

Phospholipid Derivatives

Taxane Derivatives

Cancer Metastasis Inhibitors

VLA-4 Inhibitors

Pyrrolidine Derivatives

Bicyclic Compounds

Drug Efflux Pump Inhibitors

200 patents: Sort by Forward Citations

1. 8211910 - Tri-, tetra-substituted-3-aminopyrrolidine derivative (2012-07-03),

2. 7935824 - Ethylenediamine derivatives (2011-05-03),

3. 7932271 - Heterocyclic methyl sulfone derivative (2011-04-26),

4. 7915418 - Intermediates and process for the production of optically active quinolonecarboxylic acid derivatives (2011-03-29),

5. 7902226 - Dehalogeno-compounds (2011-03-08),

6. 7893279 - Cyclohexanecarboxylic acid compound (2011-02-22),

7. 7723524 - 8-cyanoquinolonecarboxylic acid derivative (2010-05-25),

8. 7709028 - Particulate product comprising pantethine (2010-05-04),

9. 7705196 - sFRP expression enhancing agent (2010-04-27),

10. 7691894 - Cyclohexanecarboxylic acid compound (2010-04-06),

11. 7678919 - Method for producing pentacyclic taxans (2010-03-16),

12. 7626029 - Method of selectively introducing amino substituent (2009-12-01),

13. 7622471 - Pyrazole derivatives having a pyridazine and pyridine functionality (2009-11-24),

14. 7576135 - Diamine derivatives (2009-08-18),

15. 7569599 - Intermediates for the production of optically active cyclopropylamine derivatives and process for the production of the intermediates (2009-08-04),

Daiichi Pharmaceutical Co., Ltd. is a leading multinational pharmaceutical company based in Japan. With a history spanning over a century, Daiichi Pharma, as it is often referred to, is committed to improving public health and contributing to society through the development and commercialization of innovative medicines. Drawing on their scientific expertise, the company focuses on therapeutic areas such as cardiovascular diseases, infectious diseases, oncology, and central nervous system disorders. Daiichi Pharma is dedicated to delivering accessible and affordable healthcare solutions to patients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

200 Patents

#307 in Tokyo

#682 in Japan

#4,098 in the World

Daiichi Pharmaceutical Co., Ltd.

Forward Citations = 1,509

390 inventors:

Makoto Takemura (26 out of 93 patents)

Hisashi Takahashi (20 out of 55 patents)

Youichi Kimura (16 out of 20 patents)

4. Rie Miyauchi (15 out of 22 patents)

5. Hiroshi Kikuchi (13 out of 91 patents)

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