Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
5 Patents
#2,721 in Tokyo
#6,652 in Japan
Arigen Pharmaceuticals, Inc.
Forward Citations = 4
12 inventors:
Arigen Pharmaceuticals, Inc.
% Expired Patents = 100.0
EPO Patents = 3
Trademarks = 1
Forward Citations = 4
Loading Chart...
Loading Chart...
12 inventors (with patents filed for the assignee):
Masaichi Yamamoto (4 out of 14 patents)
Haruhiko Machida (2 out of 16 patents)
Naoki Yamamoto (1 out of 43 patents)
4. Kiyoshi Kita (1 out of 20 patents)
5. Hiroyuki Saimoto (1 out of 5 patents)
6. Yoshisada Yabu (1 out of 2 patents)
7. Nobutaka Fujii (1 out of 19 patents)
8. Tomoyoshi Nozaki (1 out of 1 patent)
9. Takeshi Toru (1 out of 1 patent)
10. Norio Shibata (1 out of 1 patent)
11. Yoshihiro Shigemasa (1 out of 1 patent)
12. Tomoyoshi Hosokawa (1 out of 1 patent)
13. Masaharu Ito (52 patents)
14. Hirofumi Nakajima (33 patents)
5 patents:
2. 7868206 - Trihalomethionine derivative and pharmaceutical product containing the same (2011-01-11),
Company Overview
Arigen Pharmaceuticals, Inc. is a leading biopharmaceutical company dedicated to developing innovative therapies for a range of diseases. With a focus on research and development, Arigen is committed to advancing medical science and improving patient outcomes. The company's portfolio includes cutting-edge treatments in areas such as oncology, immunology, and rare diseases. Arigen is driven by a passion for helping patients and making a positive impact on global health.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Arigen Pharmaceuticals, Inc.. Retrieved from https://idiyas.com/company/arigen-pharmaceuticals
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]
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]
3 patents (EPO):
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]