Growing community of inventors

Chiba, Japan

Koji Koga

Average Co-Inventor Count = 7.00

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 = 15

Koji KogaKazutoshi Miyazawa (1 patent)Koji KogaHiroyuki Takeuchi (1 patent)Koji KogaEtsuo Nakagawa (1 patent)Koji KogaShuichi Matsui (1 patent)Koji KogaNorihisa Hachiya (1 patent)Koji KogaTsugumichi Ando (1 patent)Koji KogaKoji Koga (1 patent)Kazutoshi MiyazawaKazutoshi Miyazawa (136 patents)Hiroyuki TakeuchiHiroyuki Takeuchi (120 patents)Etsuo NakagawaEtsuo Nakagawa (120 patents)Shuichi MatsuiShuichi Matsui (93 patents)Norihisa HachiyaNorihisa Hachiya (20 patents)Tsugumichi AndoTsugumichi Ando (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 6174458 - Tetracyclic compound having lateral halogen substituent and liquid crystal composition comprising the same

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12/16/2025
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