Growing community of inventors

Tokyo, Japan

Heihachiro Yamamoto

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 = 5

Heihachiro YamamotoYasushi Aoki (2 patents)Heihachiro YamamotoHitoshi Nishi (2 patents)Heihachiro YamamotoHeihachiro Yamamoto (2 patents)Yasushi AokiYasushi Aoki (43 patents)Hitoshi NishiHitoshi Nishi (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Waikeiwai Inc. (2 from 2 patents)


2 patents:

1. 8177077 - Supporting device for exhibiting golf club

2. 7896173 - Supporting device for exhibiting a golf club

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/4/2026
Loading…