Growing community of inventors

Yokohama, Japan

Kazuo Hirai

Average Co-Inventor Count = 3.27

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 = 39

Kazuo HiraiToru Futami (1 patent)Kazuo HiraiMasato Hirose (1 patent)Kazuo HiraiKazuhiro Iwai (1 patent)Kazuo HiraiKenji Morii (1 patent)Kazuo HiraiShigeki Tezuka (1 patent)Kazuo HiraiSadao Makiguchi (1 patent)Kazuo HiraiJunich Kamata (1 patent)Kazuo HiraiKazuo Hirai (3 patents)Toru FutamiToru Futami (31 patents)Masato HiroseMasato Hirose (21 patents)Kazuhiro IwaiKazuhiro Iwai (10 patents)Kenji MoriiKenji Morii (3 patents)Shigeki TezukaShigeki Tezuka (2 patents)Sadao MakiguchiSadao Makiguchi (2 patents)Junich KamataJunich Kamata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Giken Kogyo Kabushiki Kaisha (2 from 10,092 patents)

2. Nissan Motor Company Limited (1 from 13,411 patents)


3 patents:

1. 7096983 - Biped robot

2. 5187665 - Vehicle equipment position control system and the method therefor

3. 4194155 - Radio receiving device for automotive use

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1/5/2026
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