EPO Patents = 2

Forward Citations = 0

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8 inventors (with patents filed for the assignee):

Atsushi Kuwahara (2 out of 13 patents)

Masayo Takahashi (2 out of 19 patents)

Suguru Yamasaki (1 out of 8 patents)

4. Yoshiki Sasai (1 out of 37 patents)

5. Jun Takahashi (1 out of 17 patents)

6. Yasushi Hiramine (1 out of 5 patents)

7. Daisuke Doi (1 out of 6 patents)

8. Kenji Yoshida (1 out of 2 patents)

9. Mototsugu Eiraku (12 patents)

10. Hideya Sakaguchi (2 patents)

11. Dai Otagiri (2 patents)

12. Daiki Nukaya (2 patents)

13. Tadao Maeda (0 patent)

2 patents: Sort by Forward Citations

#4,366 in Tokyo 103-6012

#11,133 in Japan

Racthera Co., Ltd.

Forward Citations = 0

8 inventors:

Atsushi Kuwahara (2 out of 13 patents)

Masayo Takahashi (2 out of 19 patents)

Suguru Yamasaki (1 out of 8 patents)

4. Yoshiki Sasai (1 out of 37 patents)

5. Jun Takahashi (1 out of 17 patents)

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