Growing community of inventors

Musashino, Japan

Yukio Tokunaga

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 = 5

Yukio TokunagaEiichi Inoue (1 patent)Yukio TokunagaTakao Nakayama (1 patent)Yukio TokunagaTakashi Yamaguchi (1 patent)Yukio TokunagaHiroshi Kokado (1 patent)Yukio TokunagaToshihiro Yamase (1 patent)Yukio TokunagaYukio Tokunaga (1 patent)Eiichi InoueEiichi Inoue (46 patents)Takao NakayamaTakao Nakayama (43 patents)Takashi YamaguchiTakashi Yamaguchi (26 patents)Hiroshi KokadoHiroshi Kokado (15 patents)Toshihiro YamaseToshihiro Yamase (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (1 from 16,458 patents)


1 patent:

1. 4052211 - Image forming material

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12/21/2025
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