Growing community of inventors

Ibaraki, Japan

Kiyohiko Uchikawa

Average Co-Inventor Count = 4.00

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 = 0

Kiyohiko Uchikawa ↔ Tadashi Sato (1 patent)Kiyohiko Uchikawa ↔ Kazuhide Ashizawa (1 patent)Kiyohiko Uchikawa ↔ Yasuo Ishibashi (1 patent)Kiyohiko UchikawaKiyohiko Uchikawa (1 patent)Tadashi SatoTadashi Sato (71 patents)Kazuhide AshizawaKazuhide Ashizawa (12 patents)Yasuo IshibashiYasuo Ishibashi (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eisai Company, Limited (1 from 677 patents)


1 patent:

1. 4906748 - Cephem derivative crystals

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12/9/2025
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