Growing community of inventors

Shizuoka-ken, Japan

Hidetaka Hanajima

Average Co-Inventor Count = 4.00

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

Hidetaka Hanajima ↔ Riichi Kitashima (1 patent)Hidetaka Hanajima ↔ Makoto Kanemitsu (1 patent)Hidetaka Hanajima ↔ Shinichiro Miwa (1 patent)Hidetaka HanajimaHidetaka Hanajima (1 patent)Riichi KitashimaRiichi Kitashima (5 patents)Makoto KanemitsuMakoto Kanemitsu (2 patents)Shinichiro MiwaShinichiro Miwa (2 patents)
..
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. 5959223 - Method of assembling an upright piano

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12/15/2025
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