Growing community of inventors

Saitama, Japan

Kiichi Yoshida

Average Co-Inventor Count = 5.09

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 70

Kiichi Yoshida ↔ Eiichi Tanaka (1 patent)Kiichi Yoshida ↔ Atsushi Matsuda (1 patent)Kiichi Yoshida ↔ Osamu Kohno (1 patent)Kiichi Yoshida ↔ Satoshi Yamazaki (1 patent)Kiichi Yoshida ↔ Kazumasa Takahashi (1 patent)Kiichi Yoshida ↔ Osamu Kono (1 patent)Kiichi Yoshida ↔ Noboru Tsuchiya (1 patent)Kiichi Yoshida ↔ Tomohiro Waji (1 patent)Kiichi Yoshida ↔ Tohru Enokuma (1 patent)Kiichi YoshidaKiichi Yoshida (2 patents)Eiichi TanakaEiichi Tanaka (26 patents)Atsushi MatsudaAtsushi Matsuda (23 patents)Osamu KohnoOsamu Kohno (13 patents)Satoshi YamazakiSatoshi Yamazaki (10 patents)Kazumasa TakahashiKazumasa Takahashi (2 patents)Osamu KonoOsamu Kono (2 patents)Noboru TsuchiyaNoboru Tsuchiya (1 patent)Tomohiro WajiTomohiro Waji (1 patent)Tohru EnokumaTohru Enokuma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (2 from 58,130 patents)


2 patents:

1. 5357577 - Vacuum tube microphone apparatus

2. 3961202 - Power supply circuit for use with an electrostatic transducer

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12/27/2025
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