Growing community of inventors

Tokyo, Japan

Koji Otsu

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 = 2

Koji OtsuJun Yoshida (1 patent)Koji OtsuKatsuhisa Yoshida (1 patent)Koji OtsuTakamasa Akagawa (1 patent)Koji OtsuMariko Koujimoto (1 patent)Koji OtsuTakahito Tatsumi (1 patent)Koji OtsuKoji Otsu (1 patent)Jun YoshidaJun Yoshida (45 patents)Katsuhisa YoshidaKatsuhisa Yoshida (12 patents)Takamasa AkagawaTakamasa Akagawa (2 patents)Mariko KoujimotoMariko Koujimoto (1 patent)Takahito TatsumiTakahito Tatsumi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (1 from 3,207 patents)


1 patent:

1. 10142512 - Server device, image printing device, and moving-image data delivery system

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as of
1/16/2026
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