Growing community of inventors

Kawanishi, Japan

Ryozo Isomura

Average Co-Inventor Count = 6.00

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

Ryozo IsomuraMinoru Okada (1 patent)Ryozo IsomuraYoshiaki Shida (1 patent)Ryozo IsomuraTomio Nishikawa (1 patent)Ryozo IsomuraKazuyuki Nakano (1 patent)Ryozo IsomuraIsamu Kato (1 patent)Ryozo IsomuraIsamu Kato (1 patent)Ryozo IsomuraRyozo Isomura (1 patent)Minoru OkadaMinoru Okada (21 patents)Yoshiaki ShidaYoshiaki Shida (10 patents)Tomio NishikawaTomio Nishikawa (2 patents)Kazuyuki NakanoKazuyuki Nakano (2 patents)Isamu KatoIsamu Kato (1 patent)Isamu KatoIsamu Kato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Metal Industries, Inc. (1 from 929 patents)

2. Sankin Industry Company, Limited (1 from 11 patents)


1 patent:

1. 4824373 - Swaged metal denture base

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1/3/2026
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