Growing community of inventors

Iwaki, Japan

Keiichi Sudo

Average Co-Inventor Count = 6.00

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 = 7

Keiichi Sudo ↔ Satoru Kumazawa (1 patent)Keiichi Sudo ↔ Atsushi Ito (1 patent)Keiichi Sudo ↔ Takayoshi Eizuka (1 patent)Keiichi Sudo ↔ Tsumoru Watanabe (1 patent)Keiichi Sudo ↔ Yoshitaka Niizeki (1 patent)Keiichi SudoKeiichi Sudo (1 patent)Satoru KumazawaSatoru Kumazawa (38 patents)Atsushi ItoAtsushi Ito (15 patents)Takayoshi EizukaTakayoshi Eizuka (2 patents)Tsumoru WatanabeTsumoru Watanabe (1 patent)Yoshitaka NiizekiYoshitaka Niizeki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kureha Kagaku Kogyo Kabushiki Kaisha (1 from 776 patents)


1 patent:

1. 6271385 - N-heterocyclic methylpropylamine derivatives, process for producing the same and germicides

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as of
12/30/2025
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