Growing community of inventors

Kawasaki, Japan

Yukiharu Ohtsuka

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 12

Yukiharu OhtsukaYoshio Saruki (2 patents)Yukiharu OhtsukaYoshio Moriya (2 patents)Yukiharu OhtsukaYukiharu Ohtsuka (2 patents)Yoshio SarukiYoshio Saruki (4 patents)Yoshio MoriyaYoshio Moriya (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitutoyo Corporation (2 from 1,622 patents)


2 patents:

1. 6173504 - Measuring instrument, probe for the same, and measuring method

2. 6065220 - Measuring instrument, probe for the same, and measuring method

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1/5/2026
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