Growing community of inventors

Kasugai, Japan

Isao Ishigur

Average Co-Inventor Count = 5.00

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 = 15

Isao Ishigur ↔ Rikio Shinohara (1 patent)Isao Ishigur ↔ Masuo Aizawa (1 patent)Isao Ishigur ↔ Shuichi Suzuki (1 patent)Isao Ishigur ↔ Yoichi Nagamura (1 patent)Isao IshigurIsao Ishigur (1 patent)Rikio ShinoharaRikio Shinohara (2 patents)Masuo AizawaMasuo Aizawa (1 patent)Shuichi SuzukiShuichi Suzuki (1 patent)Yoichi NagamuraYoichi Nagamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Chemiphar Co., Ltd. (1 from 132 patents)


1 patent:

1. 4081334 - Antigen membranes for use in syphilis diagnosis and syphilis diagnosis

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1/22/2026
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