Growing community of inventors

Kitakyushu, Japan

Kei Katsuyama

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

Kei KatsuyamaTadashi Okubo (1 patent)Kei KatsuyamaYasufumi Yoshiura (1 patent)Kei KatsuyamaTakeshi Nagata (1 patent)Kei KatsuyamaTakaaki Shogaki (1 patent)Kei KatsuyamaKei Katsuyama (1 patent)Tadashi OkuboTadashi Okubo (31 patents)Yasufumi YoshiuraYasufumi Yoshiura (21 patents)Takeshi NagataTakeshi Nagata (16 patents)Takaaki ShogakiTakaaki Shogaki (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 11397414 - Mechanical equipment control system, control apparatus for mechanical equipment, and method for controlling mechanical equipment

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1/5/2026
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