Trademarks = 3

Forward Citations = 74

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3 inventors (with patents filed for the assignee):

Takahisa Karakama (8 out of 8 patents)

Tutomu Kaneko (6 out of 6 patents)

Tsutomu Kaneko (1 out of 28 patents)

9 patents: Sort by Forward Citations

1. 12308534 - Antenna device (2025-05-20),

2. 11581649 - Substrate-type antenna for global navigation satellite system (2023-02-14),

3. 10651548 - Substrate antenna (2020-05-12),

4. 8912965 - Substrate antenna (2014-12-16),

5. 8743007 - Substrate type antenna (2014-06-03),

6. 8681069 - Substrate type antenna (2014-03-25),

7. D659684 - Antenna (2012-05-15),

8. D591734 - Television or communication antenna element comprising a high frequency wave coupler (2009-05-05),

9. D591733 - Television or communication antenna element comprising a high frequency wave coupler (2009-05-05),

Company Overview

Nissei Limited is a Japanese company specializing in manufacturing and distributing a wide range of products such as electronic components, semiconductors, and industrial machinery. With over 50 years of experience, Nissei Limited is known for its high-quality products and commitment to customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#2,019 in Tokyo

#4,696 in Japan

Tokyo, Japan

Nissei Limited

Forward Citations = 74

3 inventors:

Takahisa Karakama (8 out of 8 patents)

Tutomu Kaneko (6 out of 6 patents)

Tsutomu Kaneko (1 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nissei Limited. Retrieved from https://idiyas.com/company/nissei

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]