Growing community of inventors

Hiroshima, Japan

Kohei Okada

Average Co-Inventor Count = 3.75

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 = 6

Kohei OkadaDaisuke Umetsu (1 patent)Kohei OkadaYasumasa Imamura (1 patent)Kohei OkadaJuntaro Matsuo (1 patent)Kohei OkadaJunichi Kubo (1 patent)Kohei OkadaAtsushi Ohshita (1 patent)Kohei OkadaTomoya Mayumi (1 patent)Kohei OkadaKohei Okada (2 patents)Daisuke UmetsuDaisuke Umetsu (63 patents)Yasumasa ImamuraYasumasa Imamura (12 patents)Juntaro MatsuoJuntaro Matsuo (3 patents)Junichi KuboJunichi Kubo (2 patents)Atsushi OhshitaAtsushi Ohshita (1 patent)Tomoya MayumiTomoya Mayumi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mazda Motor Corporation (2 from 4,685 patents)


2 patents:

1. 12344253 - Hybrid vehicle system

2. 9073534 - Vehicle control system

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as of
1/19/2026
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