Growing community of inventors

Saitama, Japan

Tokio Yamaguchi

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 = 4

Tokio Yamaguchi ↔ Takayuki Suzuki (1 patent)Tokio Yamaguchi ↔ Shin-ichi Tsukamoto (1 patent)Tokio Yamaguchi ↔ Satoshi Hayashibe (1 patent)Tokio Yamaguchi ↔ Mitsuo Fujii (1 patent)Tokio Yamaguchi ↔ Shin-ichi Yatsugi (1 patent)Tokio YamaguchiTokio Yamaguchi (1 patent)Takayuki SuzukiTakayuki Suzuki (17 patents)Shin-ichi TsukamotoShin-ichi Tsukamoto (12 patents)Satoshi HayashibeSatoshi Hayashibe (7 patents)Mitsuo FujiiMitsuo Fujii (3 patents)Shin-ichi YatsugiShin-ichi Yatsugi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5521180 - Morpholine derivative

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1/7/2026
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