Growing community of inventors

Tokyo, Japan

Hiroyoshi Matsunuma

Average Co-Inventor Count = 4.00

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 = 26

Hiroyoshi MatsunumaSadao Kuboi (1 patent)Hiroyoshi MatsunumaYasuyuki Mizunuma (1 patent)Hiroyoshi MatsunumaSadao Ishizaki (1 patent)Hiroyoshi MatsunumaHiroyoshi Matsunuma (1 patent)Sadao KuboiSadao Kuboi (4 patents)Yasuyuki MizunumaYasuyuki Mizunuma (3 patents)Sadao IshizakiSadao Ishizaki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ddk Ltd. (1 from 140 patents)


1 patent:

1. 5993258 - Electrical connector

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12/16/2025
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