% Expired Patents = 100.0

EPO Patents = 2

Trademarks = 1

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

Takahiro Ochiya (2 out of 46 patents)

Takumi Teratani (1 out of 5 patents)

Masayuki Iwano (1 out of 1 patent)

4. Hiroyuki Funaoka (1 out of 1 patent)

5. Masaki Kawamata (1 out of 1 patent)

6. Hiroshi c/o Shinshu University Fujii (0 patent)

7. Yasuhiko Ohkaru (0 patent)

8. Tatsuo c/o Niigata University Kanda (0 patent)

9. Satoshi Kajiura (0 patent)

3 patents: Sort by Forward Citations

1. 9700023 - Rat embryonic stem cell (2017-07-11),

2. 9494600 - Method for testing for nephritis-lesion sites and reagent therefor (2016-11-15),

3. 9309537 - Chimeric rat produced using rat embryonic stem cells in the presence of an ES cell differentiation suppressant (2016-04-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#952 in Osaka

#8,932 in Japan

Osaka, Japan

Ds Pharma Biomedical Co., Ltd.

Forward Citations = 1

5 inventors:

Takahiro Ochiya (2 out of 46 patents)

Takumi Teratani (1 out of 5 patents)

Masayuki Iwano (1 out of 1 patent)

4. Hiroyuki Funaoka (1 out of 1 patent)

5. Masaki Kawamata (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ds Pharma Biomedical Co., Ltd.. Retrieved from https://idiyas.com/company/ds-pharma-biomedical-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]

2 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]