Growing community of inventors

Saitama, Japan

Toshihiko Takemasa

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 = 1

Toshihiko Takemasa ↔ Kuniyoshi Ogura (1 patent)Toshihiko Takemasa ↔ Masao Seiki (1 patent)Toshihiko Takemasa ↔ Hiromi Ichikawa (1 patent)Toshihiko Takemasa ↔ Yoshiaki Muto (1 patent)Toshihiko Takemasa ↔ Kyoji Chaki (1 patent)Toshihiko TakemasaToshihiko Takemasa (1 patent)Kuniyoshi OguraKuniyoshi Ogura (4 patents)Masao SeikiMasao Seiki (2 patents)Hiromi IchikawaHiromi Ichikawa (1 patent)Yoshiaki MutoYoshiaki Muto (1 patent)Kyoji ChakiKyoji Chaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Zeria Pharmaceutical Co., Ltd. (1 from 45 patents)


1 patent:

1. 5380748 - Trialkylamine derivative and ameliorant for digestive tract movement

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as of
12/12/2025
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