Growing community of inventors

Tokyo, Japan

Shigeo Tooyama

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 = 29

Shigeo Tooyama ↔ Masato Kawai (1 patent)Shigeo Tooyama ↔ Morimitsu Nakamura (1 patent)Shigeo TooyamaShigeo Tooyama (1 patent)Masato KawaiMasato Kawai (27 patents)Morimitsu NakamuraMorimitsu Nakamura (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Sanso Corporation (1 from 182 patents)


1 patent:

1. 6471749 - Gas purification method

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/18/2025
Loading…