Growing community of inventors

Hiroshima, Japan

Hirofumi Nakai

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 = 0

Hirofumi NakaiMichihiko Matsumoto (1 patent)Hirofumi NakaiWataru Hattori (1 patent)Hirofumi NakaiHirofumi Nakai (1 patent)Michihiko MatsumotoMichihiko Matsumoto (13 patents)Wataru HattoriWataru Hattori (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aisin Corporation (1 from 567 patents)

2. Nishikawa Rubber Co., Ltd. (1 from 231 patents)


1 patent:

1. 12110723 - Protector with sensor

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12/16/2025
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