EPO Patents = 1

Forward Citations = 0

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10 inventors (with patents filed for the assignee):

Yoichi Honma (1 out of 5 patents)

Shun Shibata (1 out of 6 patents)

Toru Okubo (1 out of 3 patents)

4. Kohji Nishida (1 out of 22 patents)

5. Ryuhei Hayashi (1 out of 9 patents)

6. Shun Kimura (1 out of 2 patents)

7. Takashi Tsuji (1 out of 52 patents)

8. Yoshiki Yagi (1 patent)

9. Tetsuo Koike (0 patent)

10. Masahiro Takimoto (0 patent)

2 patents: Sort by Forward Citations

1. 12669496 - Method for evaluating and/or screening a control agent for tissue morphology and/or tissue function (2026-06-30),

2. 12616721 - Stratified squamous epithelial cell normal differentiation and maturation promoting agent, epithelial disease therapeutic agent, and stratified squamous epithelial cell normal differentiation and maturation promoting method (2026-05-05),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#1,147 in Osaka

#11,124 in Japan

Osaka, Japan

Rohto Pharmaceutical Co., Ltd.

Forward Citations = 0

10 inventors:

Yoichi Honma (1 out of 5 patents)

Shun Shibata (1 out of 6 patents)

Toru Okubo (1 out of 3 patents)

4. Kohji Nishida (1 out of 22 patents)

5. Ryuhei Hayashi (1 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rohto Pharmaceutical Co., Ltd.. Retrieved from https://idiyas.com/company/rohto-pharmaceutical

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]

1 patent (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]