Growing community of inventors

Nagoya, Japan

Juichi Oka

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 = 3

Juichi Oka ↔ Hiroshi Sakurai (1 patent)Juichi Oka ↔ Masami Ito (1 patent)Juichi Oka ↔ Masahiko Ideguchi (1 patent)Juichi Oka ↔ Yuko Arimitsu (1 patent)Juichi Oka ↔ Hideo Katsumata (1 patent)Juichi OkaJuichi Oka (1 patent)Hiroshi SakuraiHiroshi Sakurai (4 patents)Masami ItoMasami Ito (2 patents)Masahiko IdeguchiMasahiko Ideguchi (1 patent)Yuko ArimitsuYuko Arimitsu (1 patent)Hideo KatsumataHideo Katsumata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (1 from 2,354 patents)

2. Mitsubishi Jukogyo Kabushiki Kaisha (1 from 1,326 patents)

3. Obayashi Corporation (1 from 41 patents)


1 patent:

1. 5720445 - Apparatus for winding reinforcing fibers around column

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as of
1/14/2026
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