Growing community of inventors

Kanagawa, Japan

Katsumi Watai

Average Co-Inventor Count = 1.33

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 = 13

Katsumi WataiYohko Mizunashi (1 patent)Katsumi WataiKatsumi Watai (2 patents)Yohko MizunashiYohko Mizunashi (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (2 from 28,559 patents)


2 patents:

1. 8319989 - Image processing apparatus for processing and communicating with an information processing apparatus which does not have an image processing apparatus driver software

2. 8166153 - Remote control system and controlled apparatus therein capable of sending e-mail if communication request fails

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as of
12/17/2025
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