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Nec Network and Sensor Systems, Ltd.

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USPTO Granted Patents = 18

EPO Patents = 7

Forward Citations = 11

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21 inventors (with patents filed for the assignee):

Takashi Nakano (4 out of 85 patents)

Norio Masuda (3 out of 26 patents)

Akihiko Kasahara (2 out of 8 patents)

4. Masahiro Murakami (2 out of 4 patents)

5. Noriaki Sumita (2 out of 2 patents)

6. Yukihira Nakazato (2 out of 2 patents)

7. Yuusuke Watanabe (1 out of 4 patents)

8. Taishi Masuda (1 out of 2 patents)

9. Takashi Ishikawa (1 out of 75 patents)

10. Junichi Kobayashi (1 out of 105 patents)

11. Yasutaka Kuroda (1 out of 1 patent)

12. Kazuki Kishi (1 out of 5 patents)

13. Tomohiko Oohashi (1 out of 1 patent)

14. Akira Chiba (1 out of 7 patents)

15. Eiji Fujiwara (1 out of 3 patents)

18 patents: Sort by Forward Citations

1. 12100570 - Power supply device, microwave tube device, power supply method, and recording medium (2024-09-24),

2. 12062517 - Slow-wave circuit, traveling wave tube, and method for manufacturing traveling wave tube (2024-08-13),

3. 11949140 - Pillbox-type RF window including a protrusion and notch assembly for suppressing rotation of the window and a manufacturing method therefor (2024-04-02),

4. 11798770 - Microwave tube and method for controlling the same (2023-10-24),

5. 11411744 - Encryption communication method, information processing apparatus, and program (2022-08-09),

6. 11270863 - Microwave amplification device including a microwave electron tube having a getter that can be controlled (2022-03-08),

7. 11245164 - High frequency window formed in a circular waveguide that is plastically deformable to adjust a waveguide length and manufacturing method therefor (2022-02-08),

8. 10856445 - Electronic component housing apparatus and electronic device (2020-12-01),

9. 10819292 - Linear amplifying device, input signal supplying method, and origin avoiding circuit used therein (2020-10-27),

10. 10506742 - Electronic component housing apparatus and electronic device (2019-12-10),

11. 10490382 - Slow-wave circuit (2019-11-26),

12. 10483075 - Slow wave circuit and traveling wave tube (2019-11-19),

13. 10475618 - Electron gun capable of suppressing the influence of electron emission from the cathode side surface (2019-11-12),

14. 10276339 - Electron gun, electron tube and high-frequency circuit system (2019-04-30),

15. 10068738 - Traveling wave tube and high-frequency circuit system (2018-09-04),

Company Overview

NEC Network and Sensor Systems, Ltd., based in Tokyo, specializes in advanced network solutions and sensor technologies. The company focuses on developing innovative systems that enhance connectivity and data processing across various sectors, including telecommunications and smart infrastructure. With a commitment to research and development, NEC aims to drive digital transformation through its expertise in IoT, AI, and cloud computing, contributing to the evolution of intelligent networks and sensor applications globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

18 Patents

#1,414 in Tokyo

#3,125 in Japan

#34,263 in the World

Nec Network and Sensor Systems, Ltd.

Forward Citations = 11

21 inventors:

Takashi Nakano (4 out of 85 patents)

Norio Masuda (3 out of 26 patents)

Akihiko Kasahara (2 out of 8 patents)

4. Masahiro Murakami (2 out of 4 patents)

5. Noriaki Sumita (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nec Network and Sensor Systems, Ltd.. Retrieved from https://idiyas.com/company/nec-network-and-sensor-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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