% Expired Patents = 14.3

EPO Patents = 5

Forward Citations = 11

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10 inventors (with patents filed for the assignee):

Takahiro Tada (6 out of 6 patents)

Kazuhiro Kagami (4 out of 4 patents)

Kenta Kikuchi (3 out of 3 patents)

4. Takashi Hirokawa (2 out of 7 patents)

5. Shiro Yokota (2 out of 2 patents)

6. Yoshiyuki Sano (1 out of 10 patents)

7. Masanori Miyamoto (1 out of 12 patents)

8. Jun Nihira (1 out of 1 patent)

9. Hidetsugu Takagaki (1 out of 18 patents)

10. Yasuyuki Katakami (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 11376262 - Method of treating an inflammatory or infectious disease (2022-07-05),

2. 10792248 - Aqueous suspension preparation comprising nanoparticles of macrolide antibacterial agent (2020-10-06),

3. 10588913 - Aqueous suspension agent containing glucocorticosteroid nanoparticles (2020-03-17),

4. 9782484 - Method for producing a composite organic compound powder for medical use (2017-10-10),

5. 9278071 - Organic compound nano-powder, method for producing the same and suspension (2016-03-08),

6. 8226983 - Method for producing pulverized organic compound particle (2012-07-24),

7. 7687546 - Quaternary ammonium compound, process for producing the same, therapeutic agent for cerebrovascular disorder, and therapeutic agent for heart disease (2010-03-30),

Company Overview

Activus Pharma Co., Ltd. is a leading pharmaceutical company specializing in the development and manufacturing of high-quality generic and specialty pharmaceutical products. With a commitment to innovation and excellence, Activus Pharma Co., Ltd. strives to improve the quality of life for patients worldwide by providing safe, effective, and affordable medications. Our state-of-the-art facilities and experienced team of professionals ensure that our products meet the highest standards of quality and efficacy.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#5 in Funabashi

#5,456 in Japan

Funabashi, Japan

Activus Pharma Co., Ltd.

Forward Citations = 11

10 inventors:

Takahiro Tada (6 out of 6 patents)

Kazuhiro Kagami (4 out of 4 patents)

Kenta Kikuchi (3 out of 3 patents)

4. Takashi Hirokawa (2 out of 7 patents)

5. Shiro Yokota (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Activus Pharma Co., Ltd.. Retrieved from https://idiyas.com/company/activus-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]

5 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]