Growing community of inventors

Osaka, Japan

Michio Sumiyoshi

Average Co-Inventor Count = 8.00

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

Michio SumiyoshiKazunori Kobayashi (2 patents)Michio SumiyoshiYuusuke Noguchi (2 patents)Michio SumiyoshiTomohiro Yamamoto (2 patents)Michio SumiyoshiYoshiya Itoh (2 patents)Michio SumiyoshiAkeo Maruyama (2 patents)Michio SumiyoshiShinichi Kudo (2 patents)Michio SumiyoshiTetsuo Ohtsuka (2 patents)Michio SumiyoshiMichio Sumiyoshi (2 patents)Kazunori KobayashiKazunori Kobayashi (55 patents)Yuusuke NoguchiYuusuke Noguchi (26 patents)Tomohiro YamamotoTomohiro Yamamoto (15 patents)Yoshiya ItohYoshiya Itoh (8 patents)Akeo MaruyamaAkeo Maruyama (7 patents)Shinichi KudoShinichi Kudo (3 patents)Tetsuo OhtsukaTetsuo Ohtsuka (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (2 from 28,577 patents)


2 patents:

1. 8422040 - Image forming system and method, management apparatus, and recording medium

2. 8405852 - Image forming system using a management apparatus to manage software components

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as of
1/5/2026
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