Growing community of inventors

Hiroshima, Japan

Kouji Takehashi

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

Kouji Takehashi ↔ Hajime Itoh (1 patent)Kouji Takehashi ↔ Kazutami Mitani (1 patent)Kouji Takehashi ↔ Hiroshi Takahashi (1 patent)Kouji Takehashi ↔ Kunihiro Aoki (1 patent)Kouji Takehashi ↔ Kouzi Ohbori (1 patent)Kouji TakehashiKouji Takehashi (1 patent)Hajime ItohHajime Itoh (18 patents)Kazutami MitaniKazutami Mitani (13 patents)Hiroshi TakahashiHiroshi Takahashi (12 patents)Kunihiro AokiKunihiro Aoki (4 patents)Kouzi OhboriKouzi Ohbori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Rayon Company, Limited (1 from 1,357 patents)


1 patent:

1. 4961853 - Porous membranes and production processes thereof

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as of
1/8/2026
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