Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#84 in Gifu
#15,745 in Japan
Refine Holdings Co., Ltd.
Forward Citations = 0
21 inventors:
Refine Holdings Co., Ltd.
EPO Patents = 2
Forward Citations = 0
Loading Chart...
Loading Chart...
21 inventors (with patents filed for the assignee):
Tomoya Fujita (1 out of 21 patents)
Takao Suzuki (1 out of 54 patents)
Tomokiyo Takeyama (1 out of 5 patents)
4. Akiyoshi Oda (1 out of 2 patents)
5. Hiroaki Takahashi (1 out of 41 patents)
6. Mitsuhiro Iwafune (1 out of 3 patents)
7. Tadashi Noumi (1 out of 1 patent)
8. Kouji Nakashima (1 out of 1 patent)
9. Hideki Ishizawa (1 out of 1 patent)
10. Junya Ohno (1 out of 1 patent)
11. Suzuki Takao (0 patent)
12. Fujita Tomoya (0 patent)
13. Iwafune Mitsuhiro (0 patent)
14. Takeyama Tomokiyo (0 patent)
15. Takahashi Hiroaki (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Refine Holdings Co., Ltd.. Retrieved from https://idiyas.com/company/refine-holdings
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]
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]