% Expired Patents = 25.0

EPO Patents = 1

Trademarks = 1

Forward Citations = 33

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10 inventors (with patents filed for the assignee):

Takahiro Kusumoto (2 out of 5 patents)

Mitsuhiro Matsuo (2 out of 3 patents)

Hiroaki Nishimoto (2 out of 2 patents)

4. Kenta Tsutiya (2 out of 2 patents)

5. Hiroyuki Kohama (2 out of 2 patents)

6. Tatsuo Yoneda (2 out of 2 patents)

7. Yoshinori Matsuda (1 out of 11 patents)

8. Yuusuke Honke (1 out of 1 patent)

9. Shinya Uemachi (1 out of 1 patent)

10. Junichi Maeda (1 out of 5 patents)

4 patents: Sort by Forward Citations

1. D717748 - Set top box (2014-11-18),

2. D717747 - Set top box (2014-11-18),

3. 8848911 - Content receiving device, content reproducing device, content receiving and reproducing device, content receiving method, and program (2014-09-30),

4. 8249092 - Communication device, communication system, and communication method performing communication using a plurality of signals having different frequencies (2012-08-21),

Company Overview

Sumitomo Electric Networks, Inc. is a leading provider of advanced network solutions and products for various industries. The company specializes in optical fibers, cables, and network equipment to support high-speed communications and connectivity. With a focus on innovation and quality, Sumitomo Electric Networks, Inc. continues to develop cutting-edge technologies to meet the evolving needs of the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#3,053 in Tokyo

#7,579 in Japan

Tokyo, Japan

Sumitomo Electric Networks, Inc.

Forward Citations = 33

10 inventors:

Takahiro Kusumoto (2 out of 5 patents)

Mitsuhiro Matsuo (2 out of 3 patents)

Hiroaki Nishimoto (2 out of 2 patents)

4. Kenta Tsutiya (2 out of 2 patents)

5. Hiroyuki Kohama (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Electric Networks, Inc.. Retrieved from https://idiyas.com/company/sumitomo-electric-networks

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]

1 patent (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]