Growing community of inventors

Tokyo, Japan

Ryuji Tachikawa

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 = 2

Ryuji TachikawaAtsusuke Terada (1 patent)Ryuji TachikawaTetsuo Miyadera (1 patent)Ryuji TachikawaSyunji Naruto (1 patent)Ryuji TachikawaToshiharu Kamioka (1 patent)Ryuji TachikawaRyuji Tachikawa (1 patent)Atsusuke TeradaAtsusuke Terada (22 patents)Tetsuo MiyaderaTetsuo Miyadera (6 patents)Syunji NarutoSyunji Naruto (2 patents)Toshiharu KamiokaToshiharu Kamioka (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sankyo Company, Limited (1 from 613 patents)


1 patent:

1. 4022832 - 2-Aminoacetamido-.alpha.-phenylbenzylideneaminoalkanol derivatives and

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12/29/2025
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