Growing community of inventors

Kawasaki, Japan

Yuuji Koyanagi

Average Co-Inventor Count = 5.00

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 = 46

Yuuji KoyanagiHiroshi Yokoyama (1 patent)Yuuji KoyanagiShinichi Kudo (1 patent)Yuuji KoyanagiTomokazu Mitsudome (1 patent)Yuuji KoyanagiShogo Hyakutake (1 patent)Yuuji KoyanagiYuuji Koyanagi (1 patent)Hiroshi YokoyamaHiroshi Yokoyama (55 patents)Shinichi KudoShinichi Kudo (3 patents)Tomokazu MitsudomeTomokazu Mitsudome (1 patent)Shogo HyakutakeShogo Hyakutake (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5424844 - Copy machine managing system and facsimile machine used therein

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