Growing community of inventors

Ibaraki-ken, Japan

Ryoichi Nakayama

Average Co-Inventor Count = 2.00

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

Ryoichi NakayamaShinji Nakano (1 patent)Ryoichi NakayamaRyoichi Nakayama (1 patent)Shinji NakanoShinji Nakano (30 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,718 patents)


1 patent:

1. 6386927 - Screw fastening structure and nut member

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/9/2025
Loading…