Growing community of inventors

Tokyo, Japan

Hiroaki Kawawa

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 = 0

Hiroaki KawawaKazuyuki Ishigaya (1 patent)Hiroaki KawawaHiroaki Kawawa (1 patent)Kazuyuki IshigayaKazuyuki Ishigaya (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sugatsune Kogyo Co., Ltd. (1 from 228 patents)


1 patent:

1. 12209450 - One-way damping hinge

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as of
12/24/2025
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