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Ea Pharma Co., Ltd.

USPTO Granted Patents = 19

% Expired Patents = 15.8

EPO Patents = 18

Trademarks = 1

Forward Citations = 30

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78 inventors (with patents filed for the assignee):

Tamotsu Suzuki (4 out of 44 patents)

Masayuki Sugiki (3 out of 20 patents)

Kaori Kobayashi (3 out of 4 patents)

4. Tatsuya Okuzumi (3 out of 20 patents)

5. Ayatoshi Ando (3 out of 3 patents)

6. Atsushi Tsuruta (2 out of 2 patents)

7. Toshiyuki Takanohashi (2 out of 2 patents)

8. Kenichi Ogawa (2 out of 36 patents)

9. Hirokazu Hagio (2 out of 5 patents)

10. Satoshi Aburatani (2 out of 2 patents)

11. Hirokazu Ueno (2 out of 2 patents)

12. Tomoko Miyazawa (2 out of 2 patents)

13. Munetaka Tokumasu (2 out of 16 patents)

14. Toru Okamatsu (2 out of 6 patents)

15. Shinya Taniguchi (2 out of 3 patents)

19 patents: Sort by Forward Citations

1. 12023320 - Therapeutic agent for fatty liver disease (2024-07-02),

2. RE49569 - Alkylamine derivative (2023-07-03),

3. 11311508 - Medicinal composition for preventing or treating secondary hyperparathyroidism under maintenance dialysis (2022-04-26),

4. 10626112 - Heterocyclic sulfonamide derivative and medicine comprising same (2020-04-21),

5. 10584116 - Heterocyclic sulfonamide derivative and medicine containing same (2020-03-10),

6. 10562898 - Substituted benzenesulfonamides as inhibitors of alpha-4 beta-7 integrin activity (2020-02-18),

7. 10420741 - Megalin antagonist (2019-09-24),

8. 10226400 - Multi-cell container (2019-03-12),

9. 10183022 - Pharmaceutical composition for treating ulcerative colitis (2019-01-22),

10. 10166234 - Pharmaceutical preparation comprising phenylalanine derivative (2019-01-01),

11. 10039763 - Pharmaceutical preparation comprising phenylalanine derivative (2018-08-07),

12. 9883986 - Standing bag type infusion liquid container (2018-02-06),

13. 9861575 - Vitamin-containing nutrition infusion for administration through peripheral vein (2018-01-09),

14. 9822110 - Sulfonamide derivative and pharmaceutical use thereof (2017-11-21),

15. 9655879 - Heteroarylcarboxylic acid ester derivative (2017-05-23),

EA Pharma Co., Ltd. is a leading pharmaceutical company based in Japan. With a focus on gastroenterology and rheumatology, EA Pharma develops and markets innovative and reliable drugs to improve the well-being of patients. The company is committed to conducting research and delivering high-quality products with the aim of contributing to the advancement of medical care globally.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Ea Pharma Co., Ltd.

19 Patents

#3 in Chuo-ku

#3,033 in Japan

#32,592 in the World

Ea Pharma Co., Ltd.

Forward Citations = 30

78 inventors:

Tamotsu Suzuki (4 out of 44 patents)

Masayuki Sugiki (3 out of 20 patents)

Kaori Kobayashi (3 out of 4 patents)

4. Tatsuya Okuzumi (3 out of 20 patents)

5. Ayatoshi Ando (3 out of 3 patents)

Please report any incorrect information to [email protected]

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