Growing community of inventors

Aichi, Japan

Takao Ushiyama

Average Co-Inventor Count = 2.00

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 = 0

Takao Ushiyama ↔ Eiji Takahashi (1 patent)Takao UshiyamaTakao Ushiyama (1 patent)Eiji TakahashiEiji Takahashi (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kowa Company Limited (1 from 591 patents)


1 patent:

1. 12192610 - Imaging device with illumination unit featuring light shielding component

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12/17/2025
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