Growing community of inventors

Tokyo, Japan

Takao Katuyama

Average Co-Inventor Count = 3.00

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

Takao KatuyamaKenji Okamura (1 patent)Takao KatuyamaShuji Fujiwara (1 patent)Takao KatuyamaTakao Katuyama (1 patent)Kenji OkamuraKenji Okamura (20 patents)Shuji FujiwaraShuji Fujiwara (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Corporation (1 from 35,689 patents)


1 patent:

1. 6143619 - Method for manufacturing semiconductor device and semiconductor device

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12/20/2025
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