Growing community of inventors

Sayama, Japan

Yasuo Ohkawara

Average Co-Inventor Count = 3.43

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 = 24

Yasuo OhkawaraToshio Kurihara (2 patents)Yasuo OhkawaraNagao Mizutani (2 patents)Yasuo OhkawaraMasamitsu Nojima (1 patent)Yasuo OhkawaraYasuo Ohkawara (2 patents)Toshio KuriharaToshio Kurihara (31 patents)Nagao MizutaniNagao Mizutani (11 patents)Masamitsu NojimaMasamitsu Nojima (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citizen Watch Company, Ltd. (2 from 2,002 patents)


2 patents:

1. 4184780 - Printer

2. 4145146 - Recording medium feeding apparatus for printer

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as of
12/11/2025
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