Growing community of inventors

Yokohama, Japan

Koh Umenai

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 = 0

Koh UmenaiShogo Yamazoe (1 patent)Koh UmenaiShinya Hakuta (1 patent)Koh UmenaiAkihiko Ohtsu (1 patent)Koh UmenaiFuyuki Kokubu (1 patent)Koh UmenaiKoichi Kumeta (1 patent)Koh UmenaiShinya Mitourida (1 patent)Koh UmenaiKoh Umenai (1 patent)Shogo YamazoeShogo Yamazoe (60 patents)Shinya HakutaShinya Hakuta (58 patents)Akihiko OhtsuAkihiko Ohtsu (26 patents)Fuyuki KokubuFuyuki Kokubu (6 patents)Koichi KumetaKoichi Kumeta (2 patents)Shinya MitouridaShinya Mitourida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujifilm Corporation (1 from 16,093 patents)

2. Fujifilm Business Innovation Corp. (1 from 2,117 patents)


1 patent:

1. 11543152 - Ventilation duct line assembly and apparatus

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as of
12/28/2025
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