Growing community of inventors

Osaka, Japan

Takamasa Koyama

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

Takamasa KoyamaSotaro Ito (1 patent)Takamasa KoyamaTakamasa Koyama (2 patents)Sotaro ItoSotaro Ito (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Keyence Corporation (2 from 511 patents)


2 patents:

1. 11341935 - Data relay device and display device

2. 10641634 - Flow meter

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as of
12/6/2025
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