Growing community of inventors

Tokyo, Japan

Shigeru Katakura

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 = 4

Shigeru Katakura ↔ Junichi Matsumoto (1 patent)Shigeru Katakura ↔ Toshiaki Kato (1 patent)Shigeru Katakura ↔ Masakatu Saijyo (1 patent)Shigeru Katakura ↔ Yoshimi Nakamura (1 patent)Shigeru KatakuraShigeru Katakura (1 patent)Junichi MatsumotoJunichi Matsumoto (134 patents)Toshiaki KatoToshiaki Kato (14 patents)Masakatu SaijyoMasakatu Saijyo (1 patent)Yoshimi NakamuraYoshimi Nakamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oki Electric Industry Co., Ltd. (1 from 4,980 patents)


1 patent:

1. 6734691 - Substrate for a probe card having conductive layers for supplying power to IC devices

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1/18/2026
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