Growing community of inventors

Fukuoka, Japan

Hideharu Okayama

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

Hideharu Okayama ↔ Kenji Isomoto (1 patent)Hideharu Okayama ↔ Yasunori Yamanaka (1 patent)Hideharu Okayama ↔ Shuhei Nohara (1 patent)Hideharu Okayama ↔ Toshio Omata (1 patent)Hideharu Okayama ↔ Masayuki Ono (1 patent)Hideharu Okayama ↔ Nobuaki Jinnouchi (1 patent)Hideharu OkayamaHideharu Okayama (2 patents)Kenji IsomotoKenji Isomoto (9 patents)Yasunori YamanakaYasunori Yamanaka (9 patents)Shuhei NoharaShuhei Nohara (4 patents)Toshio OmataToshio Omata (3 patents)Masayuki OnoMasayuki Ono (3 patents)Nobuaki JinnouchiNobuaki Jinnouchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Yaskawa Denki (2 from 1,102 patents)


2 patents:

1. 7733650 - Motor controller

2. D450295 - Inverter controller

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as of
12/29/2025
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