Growing community of inventors

Yokohama, Japan

Katsumi Yamamura

Average Co-Inventor Count = 2.00

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 = 10

Katsumi YamamuraHideyuki Hanaoka (1 patent)Katsumi YamamuraKatsumi Yamamura (1 patent)Hideyuki HanaokaHideyuki Hanaoka (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Graphic Communication Systems, Inc. (1 from 191 patents)


1 patent:

1. 5317417 - Image processing apparatus with improved image reduction

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as of
12/19/2025
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