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Forward Citations = 42

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10 inventors (with patents filed for the assignee):

Kenji Matsuno (3 out of 3 patents)

Shinichi Kitamura (1 out of 7 patents)

Yukihiro Hijiri (1 out of 1 patent)

4. Takeshi Horiguchi (1 out of 11 patents)

5. Misa Fukumoto (1 out of 1 patent)

6. Akira Kuto (1 out of 1 patent)

7. Shigeo Fujita (1 out of 9 patents)

8. Toshinobu Yoko (1 out of 1 patent)

9. Masahide Takahashi (1 out of 1 patent)

10. Shizuo Fujita (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 11043314 - Conductive sheet, method for manufacturing the same, carbon composite paste, carbon composite filler, conductive resin material and conductive rubber material (2021-06-22),

2. 9261665 - Locking devise for optical drop cable (2016-02-16),

3. 7265486 - Light emitting diode including a cover covering a light emitting diode element (2007-09-04),

4. 7005086 - Fluorescent substance, light-emitting diode and method for producing fluorescent substance (2006-02-28),

5. 5296718 - Light emitting semiconductor device having multilayer structure (1994-03-22),

Seiwa Electric Mfg. Co., Ltd. is a Japan-based company engaged in the manufacture and sale of electrical products. The Company operates in two business segments. The Electric Products segment manufactures and sells power distribution boards, control panels, lighting fixtures, wiring accessories, and other electrical products. The Information and Communication Equipment segment is involved in the manufacture and sale of information communication devices, such as network devices and telecommunication devices. Seiwa Electric's products are used in various industries, including construction, telecommunications, and transportation.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#1 in Joyo

#6,487 in Japan

Joyo, Japan

Seiwa Electric Mfg. Co., Ltd.