Growing community of inventors

Yokohama, Japan

Kazuhide Yoshikawa

Average Co-Inventor Count = 1.60

ph-index = 2

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 = 13

Kazuhide Yoshikawa ↔ Hiroshi Iida (1 patent)Kazuhide Yoshikawa ↔ Satoshi Hanzawa (1 patent)Kazuhide Yoshikawa ↔ Koji Shintani (1 patent)Kazuhide Yoshikawa ↔ Shigeo Yamagishi (0 patent)Kazuhide Yoshikawa ↔ Takanori Matsuno (0 patent)Kazuhide YoshikawaKazuhide Yoshikawa (2 patents)Hiroshi IidaHiroshi Iida (22 patents)Satoshi HanzawaSatoshi Hanzawa (2 patents)Koji ShintaniKoji Shintani (2 patents)Shigeo YamagishiShigeo Yamagishi (0 patent)Takanori MatsunoTakanori Matsuno (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tosoh Corporation (2 from 895 patents)


2 patents:

1. 5043430 - Process for treating insoluble heterologous protein

2. 4935150 - Method for removing a pyrogen

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as of
1/7/2026
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