Growing community of inventors

Kawagoe, Japan

Sigeo Fukuda

Average Co-Inventor Count = 3.00

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

Sigeo Fukuda ↔ Hirohide Takayama (1 patent)Sigeo Fukuda ↔ Kiyoshi Niino (1 patent)Sigeo FukudaSigeo Fukuda (1 patent)Hirohide TakayamaHirohide Takayama (2 patents)Kiyoshi NiinoKiyoshi Niino (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawaken Fine Chemicals Co., Ltd. (1 from 14 patents)


1 patent:

1. 4038287 - Compounds of allantoin with basic amino acids

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12/12/2025
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