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Nec Communications Systems, Ltd.

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USPTO Granted Patents = 8

% Expired Patents = 62.5

Forward Citations = 19

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28 inventors (with patents filed for the assignee):

Tetsuya Ito (5 out of 52 patents)

Akira Matsumoto (5 out of 46 patents)

Kenichi Abe (3 out of 22 patents)

4. Satoko Itaya (2 out of 18 patents)

5. Yoshihisa Kondo (2 out of 17 patents)

6. Hiroaki Kurokawa (2 out of 9 patents)

7. Peter Davis (2 out of 12 patents)

8. Sadao Obana (2 out of 11 patents)

9. Hiroyuki Kasai (2 out of 10 patents)

10. Takumi Nomura (2 out of 17 patents)

11. Toshinori Tsuboi (2 out of 4 patents)

12. Kunitetsu Makino (2 out of 3 patents)

13. Hiromi Ueda (2 out of 17 patents)

14. Hirokazu Kobayashi (1 out of 106 patents)

15. Hiroyuki Endo (1 out of 50 patents)

8 patents: Sort by Forward Citations

1. 8755336 - Wireless device which can improve stability in wireless communications and wireless network using the same (2014-06-17),

2. 8385260 - Wireless base station, communication system, belonging information management method and storage medium for storing program (2013-02-26),

3. 8184584 - Wireless device which selects routes excluding loop routes and a mesh network including the same (2012-05-22),

4. 8116688 - Wireless apparatus, wireless communication system, control method, and control program (2012-02-14),

5. 8045857 - Optical switching device, optical access network, optical switching method, program, and recording medium (2011-10-25),

6. 8000714 - Interference prediction apparatus, interference prediction method, and interference prediction program in computer-readable medium (2011-08-16),

7. 7616899 - Synchronizing method in optical access network, optical switching device, center device, and remote device (2009-11-10),

8. 7190675 - Adaptive access control in LAN relaying apparatus (2007-03-13),

Company Overview

NEC Communications Systems, Ltd. specializes in providing innovative communication solutions for businesses worldwide. With a focus on cutting-edge technology and exceptional customer service, NEC produces a wide range of products including communication platforms, networking solutions, and IT services. NEC is dedicated to helping businesses improve their operations and streamline their communication systems for maximum efficiency and productivity.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#2,151 in Tokyo

#5,049 in Japan

Nec Communications Systems, Ltd.

Forward Citations = 19

28 inventors:

Tetsuya Ito (5 out of 52 patents)

Akira Matsumoto (5 out of 46 patents)

Kenichi Abe (3 out of 22 patents)

4. Satoko Itaya (2 out of 18 patents)

5. Yoshihisa Kondo (2 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nec Communications Systems, Ltd.. Retrieved from https://idiyas.com/company/nec-communications-systems

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]

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