For the Inventor, By the Inventor

Enter assignee name

Ea Pharma Co., Ltd.

USPTO Granted Patents = 19

% Expired Patents = 15.8

EPO Patents = 18

Trademarks = 1

Forward Citations = 30

Loading Chart...

Loading Chart...

78 inventors (with patents filed for the assignee):

Tamotsu Suzuki (4 out of 45 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 37 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),

Company Overview

Ea Pharma Co., Ltd. is a Japanese pharmaceutical company based in Chuo-ku, specializing in the development and manufacturing of innovative medical products. The company focuses on therapeutic areas such as gastrointestinal disorders and other critical health conditions, leveraging advanced research methodologies to enhance patient care. With a commitment to quality and efficacy, Ea Pharma aims to contribute significantly to the healthcare landscape through its specialized pharmaceutical solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

19 Patents

#3 in Chuo-ku

#3,041 in Japan

#32,693 in the World

Ea Pharma Co., Ltd.

Forward Citations = 30

78 inventors:

Tamotsu Suzuki (4 out of 45 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ea Pharma Co., Ltd.. Retrieved from https://idiyas.com/company/ea-pharma-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

Loading…