Growing community of inventors

Nara, Japan

Shigehisa Katsuma

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 = 1

Shigehisa KatsumaSatoshi Tanaka (1 patent)Shigehisa KatsumaAtsushi Itoh (1 patent)Shigehisa KatsumaShigehisa Katsuma (1 patent)Satoshi TanakaSatoshi Tanaka (5 patents)Atsushi ItohAtsushi Itoh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Exedy Corporation (1 from 563 patents)


1 patent:

1. 5655881 - Fluid turbine

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/20/2025
Loading…