Growing community of inventors

Higashihiroshima, Japan

Tomohiro Kawahara

Average Co-Inventor Count = 4.00

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

Tomohiro Kawahara ↔ Shinji Takeuchi (1 patent)Tomohiro Kawahara ↔ Makoto Kaneko (1 patent)Tomohiro Kawahara ↔ Shinji Tanaka (1 patent)Tomohiro KawaharaTomohiro Kawahara (1 patent)Shinji TakeuchiShinji Takeuchi (23 patents)Makoto KanekoMakoto Kaneko (1 patent)Shinji TanakaShinji Tanaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujinon Corporation (1 from 695 patents)

2. Makoto Kaneko and Tomohiro Kawahara (1 from 1 patent)

3. Shinji Tanaka (1 from 1 patent)


1 patent:

1. 7194896 - Surface hardness distribution measuring method and apparatus

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1/8/2026
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