Growing community of inventors

Naka-gun, Japan

Yoichi Hamada

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 = 0

Yoichi HamadaToshihiko Matsuo (1 patent)Yoichi HamadaKoji Fukata (1 patent)Yoichi HamadaMasayuki Koshiyama (1 patent)Yoichi HamadaYoichi Hamada (1 patent)Toshihiko MatsuoToshihiko Matsuo (12 patents)Koji FukataKoji Fukata (4 patents)Masayuki KoshiyamaMasayuki Koshiyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Materials Corporation (1 from 1,530 patents)


1 patent:

1. 12420344 - Base material for hard sintered body, hard sintered body, and cutting tool

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1/7/2026
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