Growing community of inventors

Yamatotakada, Japan

Shigeyoshi Hirayama

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 = 7

Shigeyoshi Hirayama ↔ Yoshiaki Hyodo (1 patent)Shigeyoshi Hirayama ↔ Mitsuhiro Ikeda (1 patent)Shigeyoshi HirayamaShigeyoshi Hirayama (1 patent)Yoshiaki HyodoYoshiaki Hyodo (2 patents)Mitsuhiro IkedaMitsuhiro Ikeda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koyo Seiko Company, Ltd. (1 from 772 patents)


1 patent:

1. D372254 - Pivot bearing

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12/20/2025
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