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Nec Kansai, Ltd.

USPTO Granted Patents = 8

Forward Citations = 112

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15 inventors (with patents filed for the assignee):

Yasutada Sakamoto (1 out of 1 patent)

Toshikazu Sugimura (1 out of 4 patents)

Yoshio Takeshima (1 out of 4 patents)

4. Hidefumi Yamamoto (1 out of 1 patent)

5. Masaaki Yabuta (1 out of 1 patent)

6. Masami Horiuchi (1 out of 1 patent)

7. Yoshitaka Nakamura (1 out of 1 patent)

8. Seiki Nakanishi (1 out of 1 patent)

9. Kazuaki Matsumura (1 out of 1 patent)

10. Kaoru Tenjin (1 out of 1 patent)

11. Yoshimitsu Ishitobi (1 out of 1 patent)

12. Fumio Nakatsuji (1 out of 1 patent)

13. Kouhei Fujii (1 out of 1 patent)

14. Masaaki Takahama (1 out of 1 patent)

15. Yuji Fujita (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5096450 - Method for fabricating an impregnated type cathode (1992-03-17),

2. 5029258 - Image display device and its driving method (1991-07-02),

3. 4652872 - Matrix display panel driving system (1987-03-24),

4. 4569084 - Frequency converter, especially CATV converter (1986-02-04),

5. 4500867 - Joystick controller using magnetosensitive elements with bias magnets (1985-02-19),

6. 4486817 - Method of manufacturing an electrical circuit wiring arrangement (1984-12-04),

7. 4429291 - Rotary pre-setting fine tuning device for a turret type television tuner (1984-01-31),

8. 4423438 - Projection type cathode ray tube with masking means (1983-12-27),

NEC Kansai, Ltd. is a subsidiary of NEC Corporation, a global leader in the integration of IT and network technologies. Based in the Kansai region of Japan, NEC Kansai specializes in research and development in various fields, including AI, cybersecurity, and telecommunications. With a strong focus on innovation, NEC Kansai is dedicated to creating cutting-edge solutions that benefit businesses and society as a whole.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

8 Patents

#2 in Otsu

#5,035 in Japan

Nec Kansai, Ltd.

Forward Citations = 112

15 inventors:

Yasutada Sakamoto (1 out of 1 patent)

Toshikazu Sugimura (1 out of 4 patents)

Yoshio Takeshima (1 out of 4 patents)

4. Hidefumi Yamamoto (1 out of 1 patent)

5. Masaaki Yabuta (1 out of 1 patent)

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