Growing community of inventors

Ojiya, Japan

Koichi Nakano

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 9

Koichi Nakano ↔ Kazuo Sakamaki (4 patents)Koichi Nakano ↔ Tadashi Taniguchi (4 patents)Koichi Nakano ↔ Koji Sakamaki (4 patents)Koichi NakanoKoichi Nakano (4 patents)Kazuo SakamakiKazuo Sakamaki (23 patents)Tadashi TaniguchiTadashi Taniguchi (16 patents)Koji SakamakiKoji Sakamaki (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yukiwa Seiko Inc. (4 from 7 patents)


4 patents:

1. D837011 - Drill chuck

2. D837012 - Drill chuck

3. D837014 - Drill chuck

4. D837013 - Drill chuck

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idiyas.com
as of
12/18/2025
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