Growing community of inventors

Yuki, Japan

Takehisa Nakagawa

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 = 14

Takehisa Nakagawa ↔ Yasuo Miyadera (1 patent)Takehisa Nakagawa ↔ Atsushi Fujioka (1 patent)Takehisa Nakagawa ↔ Masami Arai (1 patent)Takehisa Nakagawa ↔ Ikuo Hoshi (1 patent)Takehisa Nakagawa ↔ Kiyoshi Yokochi (1 patent)Takehisa NakagawaTakehisa Nakagawa (1 patent)Yasuo MiyaderaYasuo Miyadera (40 patents)Atsushi FujiokaAtsushi Fujioka (9 patents)Masami AraiMasami Arai (4 patents)Ikuo HoshiIkuo Hoshi (4 patents)Kiyoshi YokochiKiyoshi Yokochi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)


1 patent:

1. 4510008 - Continuous production of copper-clad laminate

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as of
12/8/2025
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