Growing community of inventors

Tokyo, Japan

Hisashi Takeuchi

Average Co-Inventor Count = 4.00

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 = 3

Hisashi Takeuchi ↔ Kiwami Hirota (1 patent)Hisashi Takeuchi ↔ Isamu Yamazaki (1 patent)Hisashi Takeuchi ↔ Yoichi Toyama (1 patent)Hisashi TakeuchiHisashi Takeuchi (1 patent)Kiwami HirotaKiwami Hirota (3 patents)Isamu YamazakiIsamu Yamazaki (3 patents)Yoichi ToyamaYoichi Toyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Denko Kabushiki Kaisha (1 from 405 patents)


1 patent:

1. 4057680 - Method of polymerizing .alpha.-olefins

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12/16/2025
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