Growing community of inventors

Kanagawa, Japan

Yoshifumi Kawai

Average Co-Inventor Count = 2.45

ph-index = 3

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 = 13

Yoshifumi KawaiHiroshi Maeda (2 patents)Yoshifumi KawaiRie Nakamura (2 patents)Yoshifumi KawaiShinsuke Yanazume (2 patents)Yoshifumi KawaiReiji Yukumoto (2 patents)Yoshifumi KawaiRyo Iwasaki (2 patents)Yoshifumi KawaiMasateru Kumagai (2 patents)Yoshifumi KawaiYoshiyuki Toda (1 patent)Yoshifumi KawaiDaigo Uchiyama (1 patent)Yoshifumi KawaiYoshifumi Kawai (6 patents)Hiroshi MaedaHiroshi Maeda (103 patents)Rie NakamuraRie Nakamura (16 patents)Shinsuke YanazumeShinsuke Yanazume (13 patents)Reiji YukumotoReiji Yukumoto (12 patents)Ryo IwasakiRyo Iwasaki (11 patents)Masateru KumagaiMasateru Kumagai (10 patents)Yoshiyuki TodaYoshiyuki Toda (11 patents)Daigo UchiyamaDaigo Uchiyama (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (6 from 28,584 patents)


6 patents:

1. 9361219 - Information processing device, information processing method and program product

2. 9360919 - Preparing processing and input units of a computing device for a power transition before the transition occurs

3. 8605304 - Image processing apparatus for shutting down power supply in safe

4. 8559039 - Image forming apparatus and method for generating user information

5. 8441661 - Image processing apparatus with power control unit

6. 8102572 - Image processing apparatus and associated method and computer readable storage medium for extracting an embedded marking image

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1/8/2026
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