Company Badge
USPTO Data Jan 1 1976 - Oct 6 2026
11 Patents
#16 in Shiga
#4,134 in Japan
#51,714 in the World
Sumitomo Electric Wintec, Inc.
Forward Citations = 3
20 inventors:
Sumitomo Electric Wintec, Inc.
Forward Citations = 3
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20 inventors (with patents filed for the assignee):
Masaaki Yamauchi (8 out of 21 patents)
Jun Sugawara (8 out of 24 patents)
Kengo Yoshida (7 out of 7 patents)
4. Shinya Ota (5 out of 18 patents)
5. Hideaki Saito (5 out of 5 patents)
6. Yasushi Tamura (5 out of 12 patents)
7. Yuji Hatanaka (3 out of 3 patents)
8. Shuhei Maeda (2 out of 3 patents)
9. Yudai Furuya (2 out of 2 patents)
10. Youichi Nagata (2 out of 2 patents)
11. Toru Shimizu (1 out of 15 patents)
12. Takao Inoue (1 out of 1 patent)
13. Hiroji Sugimoto (1 out of 1 patent)
14. Masataka Shiwa (1 out of 1 patent)
15. Junichi Imai (1 out of 1 patent)
11 patents:
Company Overview
Sumitomo Electric Wintec, Inc. is a prominent player in the field of advanced optical communication technologies. Based in Shiga, Japan, the company specializes in the development and manufacturing of high-performance optical components and systems, catering to the growing demands of telecommunications and data transmission. With a strong focus on innovation, Sumitomo Electric Wintec is dedicated to enhancing connectivity solutions through cutting-edge research in fiber optics and related technologies, contributing significantly to the global communications landscape.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Electric Wintec, Inc.. Retrieved from https://idiyas.com/company/sumitomo-electric-wintec
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]
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]