Growing community of inventors

Kanagawa, Japan

Hiraku Ishiyama

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 = 4

Hiraku IshiyamaKoichi Komatsu (4 patents)Hiraku IshiyamaGyokubu Cho (4 patents)Hiraku IshiyamaMasaoki Yamagata (2 patents)Hiraku IshiyamaKentaro Nemoto (2 patents)Hiraku IshiyamaYasuhiro Takahama (2 patents)Hiraku IshiyamaYutaka Watanabe (1 patent)Hiraku IshiyamaHiraku Ishiyama (7 patents)Koichi KomatsuKoichi Komatsu (16 patents)Gyokubu ChoGyokubu Cho (15 patents)Masaoki YamagataMasaoki Yamagata (27 patents)Kentaro NemotoKentaro Nemoto (21 patents)Yasuhiro TakahamaYasuhiro Takahama (8 patents)Yutaka WatanabeYutaka Watanabe (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitutoyo Corporation (7 from 1,623 patents)


7 patents:

1. 12210722 - Position specifying method and program

2. 11656733 - Position specifying method and program

3. 11314374 - Position specifying method and program

4. 10656780 - Position specifying method and program

5. 10445894 - Non-contact 3D measuring system

6. 8416426 - Calibrating jig, profile measuring device, and method of offset calculation

7. 8139229 - Calibrating jig, profile measuring device, and method of offset calculation

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as of
1/7/2026
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