Growing community of inventors

Hiroshima, Japan

Etsuo Shirai

Average Co-Inventor Count = 4.00

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 = 14

Etsuo ShiraiKazuhiko Moriyama (2 patents)Etsuo ShiraiHiroaki Nagamatsu (2 patents)Etsuo ShiraiWataru Kuwahara (1 patent)Etsuo ShiraiKenji Sakamoto (1 patent)Etsuo ShiraiEtsuo Shirai (2 patents)Kazuhiko MoriyamaKazuhiko Moriyama (4 patents)Hiroaki NagamatsuHiroaki Nagamatsu (4 patents)Wataru KuwaharaWataru Kuwahara (9 patents)Kenji SakamotoKenji Sakamoto (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mazda Motor Corporation (2 from 4,676 patents)


2 patents:

1. 4862760 - Shift lever assembly and method of assembling

2. 4784009 - Gear type transmission apparatus

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12/7/2025
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