Growing community of inventors

Takatsuki, Japan

Koichi Karukaya

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 = 11

Koichi Karukaya ↔ Toshimi Inai (2 patents)Koichi Karukaya ↔ Koji Motoi (1 patent)Koichi Karukaya ↔ Naofumi Imahigashi (1 patent)Koichi Karukaya ↔ Kazuyoshi Yamamoto (1 patent)Koichi Karukaya ↔ Masao Ikeda (1 patent)Koichi KarukayaKoichi Karukaya (2 patents)Toshimi InaiToshimi Inai (5 patents)Koji MotoiKoji Motoi (3 patents)Naofumi ImahigashiNaofumi Imahigashi (3 patents)Kazuyoshi YamamotoKazuyoshi Yamamoto (2 patents)Masao IkedaMasao Ikeda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sekisui Kagaku Kogyo Kabushiki Kaisha (2 from 232 patents)


2 patents:

1. 5178958 - Undercoat composition

2. 5041335 - Undercoat composition and a metal substrate coated with a resin

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as of
1/23/2026
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