Growing community of inventors

Tokyo, Japan

Keizo Tsukamoto

Average Co-Inventor Count = 5.00

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 = 1

Keizo TsukamotoKatsuyuki Ishikawa (1 patent)Keizo TsukamotoTakeshi Fujimura (1 patent)Keizo TsukamotoTakahiro Yamakawa (1 patent)Keizo TsukamotoMasako Kataoka (1 patent)Keizo TsukamotoKeizo Tsukamoto (1 patent)Katsuyuki IshikawaKatsuyuki Ishikawa (10 patents)Takeshi FujimuraTakeshi Fujimura (10 patents)Takahiro YamakawaTakahiro Yamakawa (7 patents)Masako KataokaMasako Kataoka (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Taiheiyo Cement Corporation (1 from 91 patents)


1 patent:

1. 6342752 - Piezoelectric transformer element and method of mounting it in a housing

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1/9/2026
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