Growing community of inventors

Yokohama, Japan

Yoshihiro Kotoda

Average Co-Inventor Count = 3.00

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 = 22

Yoshihiro KotodaKaoru Morinaga (4 patents)Yoshihiro KotodaSeiji Tomita (3 patents)Yoshihiro KotodaHiroshi Kawakami (1 patent)Yoshihiro KotodaYoshihiro Kotoda (4 patents)Kaoru MorinagaKaoru Morinaga (12 patents)Seiji TomitaSeiji Tomita (20 patents)Hiroshi KawakamiHiroshi Kawakami (98 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokyo Shibaura Denki Kabushiki Kaisha (4 from 2,916 patents)


4 patents:

1. 4646187 - Cassette tape recorder

2. 4625251 - Tape recorder

3. 4562497 - Tape drive spindle

4. 4542430 - Tape recorder

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as of
12/21/2025
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