Growing community of inventors

Sakado, Japan

Reimei Ishikawa

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 = 5

Reimei Ishikawa ↔ Keiji Fujioka (1 patent)Reimei Ishikawa ↔ Shigeji Sato (1 patent)Reimei Ishikawa ↔ Yoshiya Yamahira (1 patent)Reimei Ishikawa ↔ Yoshiko Okuzawa (1 patent)Reimei IshikawaReimei Ishikawa (1 patent)Keiji FujiokaKeiji Fujioka (23 patents)Shigeji SatoShigeji Sato (16 patents)Yoshiya YamahiraYoshiya Yamahira (13 patents)Yoshiko OkuzawaYoshiko Okuzawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,896 patents)

2. Yamanouchi Pharmaceutical Company Ltd. (1 from 329 patents)


1 patent:

1. 4880796 - Antimicrobial preparation

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as of
1/10/2026
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