Growing community of inventors

Hamamatsu, Japan

Kensaku Hakamata

Average Co-Inventor Count = 6.00

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 = 4

Kensaku Hakamata ↔ Satoru Hayashi (1 patent)Kensaku Hakamata ↔ Masakazu Matsumoto (1 patent)Kensaku Hakamata ↔ Takayuki Goshima (1 patent)Kensaku Hakamata ↔ Kenkichi Kaneko (1 patent)Kensaku Hakamata ↔ Takeshi Hattori (1 patent)Kensaku HakamataKensaku Hakamata (1 patent)Satoru HayashiSatoru Hayashi (3 patents)Masakazu MatsumotoMasakazu Matsumoto (3 patents)Takayuki GoshimaTakayuki Goshima (2 patents)Kenkichi KanekoKenkichi Kaneko (2 patents)Takeshi HattoriTakeshi Hattori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Kawai Gakki Seisakusho (1 from 455 patents)


1 patent:

1. 4550638 - Portable keyboard-type musical instrument

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as of
12/18/2025
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