Growing community of inventors

Higashihiroshima, Japan

Fumio Kasai

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 2

Fumio KasaiHideo Yoshida (1 patent)Fumio KasaiTakahiko Suezawa (1 patent)Fumio KasaiKyozo Okumura (1 patent)Fumio KasaiFumio Kasai (1 patent)Hideo YoshidaHideo Yoshida (18 patents)Takahiko SuezawaTakahiko Suezawa (3 patents)Kyozo OkumuraKyozo Okumura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sharp Kabushiki Kaisha Corporation (1 from 25,537 patents)


1 patent:

1. 5566037 - Cassette tape player compatible with cassette tapes of different formats

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12/15/2025
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