Growing community of inventors

Shizuoka, Japan

Keijiro Ota

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 0

Keijiro OtaSeiji Sawai (1 patent)Keijiro OtaKazunari Takata (1 patent)Keijiro OtaKoji Kobayashi (1 patent)Keijiro OtaChisei Asami (1 patent)Keijiro OtaKeijiro Ota (1 patent)Seiji SawaiSeiji Sawai (24 patents)Kazunari TakataKazunari Takata (8 patents)Koji KobayashiKoji Kobayashi (5 patents)Chisei AsamiChisei Asami (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamaha Hatsudoki Kabushiki Kaisha (1 from 4,233 patents)


1 patent:

1. 10538276 - Straddle-type vehicle

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12/10/2025
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