Growing community of inventors

Saitama, Japan

Tadao Hiruma

Average Co-Inventor Count = 1.50

ph-index = 3

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 = 89

Tadao HirumaKazuhiko Yokoyama (1 patent)Tadao HirumaTsutomu Sakuma (1 patent)Tadao HirumaTadao Hiruma (3 patents)Kazuhiko YokoyamaKazuhiko Yokoyama (17 patents)Tsutomu SakumaTsutomu Sakuma (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Giken Kogyo Kabushiki Kaisha (3 from 10,092 patents)


3 patents:

1. D427944 - Motorcycle

2. D384601 - Motorcycle

3. 4847454 - Switch device for motorcycle or the like

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as of
1/11/2026
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