Growing community of inventors

Toyokawa, Japan

Kazumasa Hayakawa

Average Co-Inventor Count = 3.00

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 = 6

Kazumasa HayakawaTatsumi Makio (1 patent)Kazumasa HayakawaGenta Sakaguchi (1 patent)Kazumasa HayakawaKazumasa Hayakawa (1 patent)Tatsumi MakioTatsumi Makio (3 patents)Genta SakaguchiGenta Sakaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Minolta Camera Kabushiki Kaisha (1 from 2,979 patents)


1 patent:

1. 4616819 - Paper sheet feeding arrangement

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as of
12/21/2025
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