Growing community of inventors

Aichi, Japan

Hirohisa Yokoyama

Average Co-Inventor Count = 2.29

ph-index = 2

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

Hirohisa YokoyamaTadashi Yamamoto (2 patents)Hirohisa YokoyamaTadashi Yamada (2 patents)Hirohisa YokoyamaHitoshi Iida (2 patents)Hirohisa YokoyamaNoboru Hara (1 patent)Hirohisa YokoyamaHisayasu Sugita (1 patent)Hirohisa YokoyamaHiroshi Miyajima (1 patent)Hirohisa YokoyamaHirohisa Yokoyama (4 patents)Tadashi YamamotoTadashi Yamamoto (53 patents)Tadashi YamadaTadashi Yamada (36 patents)Hitoshi IidaHitoshi Iida (21 patents)Noboru HaraNoboru Hara (4 patents)Hisayasu SugitaHisayasu Sugita (2 patents)Hiroshi MiyajimaHiroshi Miyajima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyoda Gosei Co., Ltd. (4 from 3,077 patents)

2. Kolbenschmidt Aktiengesellschaft (1 from 56 patents)


4 patents:

1. 7066490 - Airbag device

2. 6899352 - Airbag device

3. 5868660 - Method and apparatus for folding up air bag

4. 5163893 - Airbag folding apparatus

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as of
12/8/2025
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