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USPTO Data Jan 1 1976 - Oct 27 2026
615 Patents
#157 in Tokyo
#326 in Japan
#1,599 in the World
Sumitomo Bakelite Company Limited
Forward Citations = 8,037
801 inventors:
Sumitomo Bakelite Company Limited
Calculating rank
% Expired Patents = 41.5
CIPO Patents = 7
EPO Patents = 141
Trademarks = 25
Forward Citations = 8,037
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801 inventors (with patents filed for the assignee):
Takashi Hirano (21 out of 81 patents)
Larry Funderburk Rhodes (21 out of 123 patents)
Toshio Banba (18 out of 20 patents)
4. Takeshi Hosomi (14 out of 17 patents)
5. Andrew Bell (13 out of 65 patents)
6. Tetsuya Mori (12 out of 12 patents)
7. Yukihiko Sakaguchi (11 out of 12 patents)
8. Koji Choki (11 out of 11 patents)
9. Satoru Katsurayama (11 out of 11 patents)
10. Yasuo Noguchi (11 out of 13 patents)
11. Mitsuo Sugino (10 out of 10 patents)
12. Sumiya Miyake (10 out of 10 patents)
13. Kensuke Nakamura (9 out of 42 patents)
14. Toru Meura (9 out of 9 patents)
15. Kenichi Kanemasa (9 out of 9 patents)
Core Competencies:
Power Module
Optical Component
Medical Device
Phenol Resin
Resin Composition
Conductive Paste
Biomedical Sensor
Thermally Conductive Sheet
Electromagnetic Shielding
Silicone Rubber
Cell Culture Device
Particle Production
615 patents:
Company Overview
Sumitomo Bakelite Company Limited, headquartered in Tokyo, specializes in the development and manufacturing of advanced resin compositions. The company focuses on a diverse range of technological fields, including power modules, optical components, and medical devices. Its expertise extends to phenol resins, conductive pastes, and thermally conductive sheets, catering to various industries such as electronics and healthcare. With a commitment to innovation, Sumitomo Bakelite plays a significant role in enhancing product performance through its specialized materials.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Bakelite Company Limited. Retrieved from https://idiyas.com/company/sumitomo-bakelite-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]
7 patents (CIPO):
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]
141 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]