Growing community of inventors

Yokohama, Japan

Masayuki Ishihara

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 = 5

Masayuki IshiharaTakashi Tsuji (2 patents)Masayuki IshiharaKoichi Endo (2 patents)Masayuki IshiharaKoji Miyoshi (2 patents)Masayuki IshiharaYukihiro Ogawa (2 patents)Masayuki IshiharaMasayuki Ishihara (2 patents)Takashi TsujiTakashi Tsuji (50 patents)Koichi EndoKoichi Endo (29 patents)Koji MiyoshiKoji Miyoshi (2 patents)Yukihiro OgawaYukihiro Ogawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (2 from 28,546 patents)


2 patents:

1. 8046276 - System and method for managing product reserve

2. 7711613 - System and method, and computer program for managing product reserve

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12/9/2025
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