Growing community of inventors

Chiba, Japan

Kouji Koga

Average Co-Inventor Count = 5.83

ph-index = 2

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 = 17

Kouji KogaKazutoshi Miyazawa (2 patents)Kouji KogaEtsuo Nakagawa (2 patents)Kouji KogaShuichi Matsui (2 patents)Kouji KogaNorihisa Hachiya (2 patents)Kouji KogaHiroyuki Takeuchi (1 patent)Kouji KogaFusayuki Takeshita (1 patent)Kouji KogaKouji Koga (2 patents)Kazutoshi MiyazawaKazutoshi Miyazawa (136 patents)Etsuo NakagawaEtsuo Nakagawa (120 patents)Shuichi MatsuiShuichi Matsui (93 patents)Norihisa HachiyaNorihisa Hachiya (20 patents)Hiroyuki TakeuchiHiroyuki Takeuchi (120 patents)Fusayuki TakeshitaFusayuki Takeshita (63 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chisso Corporation (2 from 1,109 patents)


2 patents:

1. 6207076 - Fluorovinyl derivative compound, liquid crystal composition, and liquid crystal display device

2. 6168728 - Acetylene derivatives, and liquid crystal composition and liquid crystal display device each comprising the same

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12/14/2025
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