Growing community of inventors

Kodaira, Japan

Fumitake Kawanabe

Average Co-Inventor Count = 6.00

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

Fumitake Kawanabe ↔ Toshio Nojima (1 patent)Fumitake Kawanabe ↔ Manabu Nakamura (1 patent)Fumitake Kawanabe ↔ Yoichi Okubo (1 patent)Fumitake Kawanabe ↔ Taizo Ito (1 patent)Fumitake Kawanabe ↔ Yasuo Sera (1 patent)Fumitake KawanabeFumitake Kawanabe (1 patent)Toshio NojimaToshio Nojima (42 patents)Manabu NakamuraManabu Nakamura (37 patents)Yoichi OkuboYoichi Okubo (28 patents)Taizo ItoTaizo Ito (14 patents)Yasuo SeraYasuo Sera (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi-kokusai Electric Inc. (1 from 1,258 patents)


1 patent:

1. 7719364 - High frequency power amplifier

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as of
12/25/2025
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