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Taisho Pharmaceutical Co., Ltd.

USPTO Granted Patents = 314

CIPO Patents = 59

EPO Patents = 42

Trademarks = 23

Forward Citations = 2,403

where 'Filed Patents' based on already Granted Patents

where 'Inventors Filed' based on already Granted Patents

563 inventors (with patents filed for the assignee):

Katsuo Hatayama (38 out of 38 patents)

Atsuro Nakazato (34 out of 43 patents)

Shigeo Morimoto (25 out of 25 patents)

4. Masato Kashimura (24 out of 24 patents)

5. Yoshiaki Watanabe (23 out of 83 patents)

6. Kaoru Sota (23 out of 24 patents)

7. Toshifumi Asaka (22 out of 22 patents)

8. Masakazu Sato (20 out of 66 patents)

9. Kazuyuki Tomisawa (19 out of 27 patents)

10. Sadafumi Omura (19 out of 20 patents)

11. Kazunari Sakagami (18 out of 18 patents)

12. Toshihito Kumagai (18 out of 24 patents)

13. Takashi Adachi (17 out of 73 patents)

14. Hiroshi Ohta (17 out of 76 patents)

15. Kazuya Kameo (16 out of 18 patents)

314 patents: Sort by Forward Citations

1. 12338203 - Urea compound for antagonizing LPA1 receptor (2025-06-24),

2. 11365192 - Pyridine compound substituted with azole (2022-06-21),

3. 11198690 - Method for producing (2S)-2-[(1H-pyrazol-1-yl)methyl]-1,3-oxazinane derivative (2021-12-14),

4. 10689327 - Prodrug amino acid derivative (2020-06-23),

5. 10464884 - Prodrug of amino acid derivative (2019-11-05),

6. 10207976 - Method for producing optically active 2-(2-fluorobiphenyl-4-yl) propanoic acid (2019-02-19),

7. 10022389 - Prophylactic or therapeutic drug for constipation (2018-07-17),

8. 9932331 - Phenyl tetrahydroisoquinoline compound substituted with heteroaryl (2018-04-03),

9. 9522914 - Azole derivative (2016-12-20),

10. 9499477 - Hydroxamic acid derivative (2016-11-22),

11. 9428483 - Prodrug of fluorine-containing amino acid (2016-08-30),

12. 9422240 - Partially saturated nitrogen-containing heterocyclic compound (2016-08-23),

13. 9320727 - Combinations of SGLT 2 inhibitors and antihypertensive drugs (2016-04-26),

14. 9284324 - Phenylpyrrole derivative (2016-03-15),

15. 9266870 - Heteroaromatic methyl cyclic amine derivative (2016-02-23),

Taisho Pharmaceutical Co., Ltd. is a Japanese multinational company engaged in the development, manufacture, marketing, and distribution of healthcare products. Established in 1912, Taisho is committed to helping people lead healthier and happier lives by providing high-quality pharmaceuticals and consumer healthcare products. With a wide range of products including prescription drugs, over-the-counter drugs, and health supplements, Taisho aims to contribute to society's well-being through continuous innovation and research. For more information, please visit our official website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

314 Patents

#239 in Tokyo

#509 in Japan

#2,771 in the World

Taisho Pharmaceutical Co., Ltd.

Forward Citations = 2,403

563 inventors:

Katsuo Hatayama (38 out of 38 patents)

Atsuro Nakazato (34 out of 43 patents)

Shigeo Morimoto (25 out of 25 patents)

4. Masato Kashimura (24 out of 24 patents)

5. Yoshiaki Watanabe (23 out of 83 patents)

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