Forward Citations = 96

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4 inventors (with patents filed for the assignee):

Akihiro Iwano (2 out of 2 patents)

Katsumi Koshimura (1 out of 3 patents)

Yasuo Watanabe (1 out of 12 patents)

4. Akio Koike (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5153914 - Sound equipment system (1992-10-06),

2. 5140301 - Guidance method and apparatus in case of emergency evacuation (1992-08-18),

3. D320020 - Speaker (1991-09-17),

4. 4860369 - Flat speaker unit (1989-08-22),

Kabushiki Kaisha Seidenko is a leading Japanese company specializing in the manufacture and distribution of electronics components. With a strong reputation for quality and reliability, Seidenko offers a wide range of products including semiconductors, displays, and sensors. Established in 1985, the company has a proven track record of providing innovative solutions to meet the needs of customers in various industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#2,786 in Tokyo

#7,416 in Japan

Tokyo, Japan

Kabushiki Kaisha Seidenko

Forward Citations = 96

4 inventors:

Akihiro Iwano (2 out of 2 patents)

Katsumi Koshimura (1 out of 3 patents)

Yasuo Watanabe (1 out of 12 patents)

4. Akio Koike (1 out of 1 patent)

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