Growing community of inventors

Saitama, Japan

Hiroyoshi Ogawa

Average Co-Inventor Count = 1.33

ph-index = 2

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

Hiroyoshi OgawaTakashi Toda (1 patent)Hiroyoshi OgawaHiroyoshi Ogawa (2 patents)Takashi TodaTakashi Toda (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Xerox Co., Ltd. (2 from 11,665 patents)


2 patents:

1. 7899387 - Drive switching mechanism and image forming apparatus including same

2. 6634638 - Paper feed tray

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as of
12/20/2025
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