Growing community of inventors

Wako, Japan

Hiroyuki Hirayama

Average Co-Inventor Count = 2.69

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 = 25

Hiroyuki HirayamaKoji Ikeda (5 patents)Hiroyuki HirayamaHiroyuki Isayama (2 patents)Hiroyuki HirayamaYu Kanayama (2 patents)Hiroyuki HirayamaHisaki Sugaya (2 patents)Hiroyuki HirayamaTakayuki Kawabuchi (2 patents)Hiroyuki HirayamaTakashi Nakamura (1 patent)Hiroyuki HirayamaJun Sato (1 patent)Hiroyuki HirayamaNaoki Takemura (1 patent)Hiroyuki HirayamaToshikazu Hirose (1 patent)Hiroyuki HirayamaTakatomo Watanabe (1 patent)Hiroyuki HirayamaJunichi Soga (1 patent)Hiroyuki HirayamaTadao Goto (1 patent)Hiroyuki HirayamaHiroyuki Hirayama (7 patents)Koji IkedaKoji Ikeda (32 patents)Hiroyuki IsayamaHiroyuki Isayama (8 patents)Yu KanayamaYu Kanayama (2 patents)Hisaki SugayaHisaki Sugaya (2 patents)Takayuki KawabuchiTakayuki Kawabuchi (2 patents)Takashi NakamuraTakashi Nakamura (39 patents)Jun SatoJun Sato (13 patents)Naoki TakemuraNaoki Takemura (6 patents)Toshikazu HiroseToshikazu Hirose (3 patents)Takatomo WatanabeTakatomo Watanabe (2 patents)Junichi SogaJunichi Soga (2 patents)Tadao GotoTadao Goto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (7 from 21,831 patents)

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

3. Kyowa Sangyo Co., Ltd. (1 from 42 patents)


7 patents:

1. 11608023 - Side airbag device

2. 11491947 - Side airbag device

3. 10513237 - Head protection airbag apparatus

4. 10300879 - Side curtain airbag system

5. 8360463 - Engagement structure

6. 7775553 - Vehicle occupant protection apparatus

7. 7159925 - Sun visor for vehicle

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as of
12/6/2025
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