Growing community of inventors

Fukaya, Japan

Junichi Chonan

Average Co-Inventor Count = 1.20

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 = 2

Junichi ChonanKeiichi Tanaka (127 patents)Junichi ChonanIsao Sugaya (1 patent)Junichi ChonanHidehiro Maeda (1 patent)Junichi ChonanTomoyuki Yasuda (0 patent)Junichi ChonanJunichi Chonan (4 patents)Keiichi TanakaKeiichi Tanaka (127 patents)Isao SugayaIsao Sugaya (36 patents)Hidehiro MaedaHidehiro Maeda (10 patents)Tomoyuki YasudaTomoyuki Yasuda (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nikon Corporation (4 from 8,903 patents)


4 patents:

1. 10310383 - Exposure apparatus, exposure method, and device manufacturing method

2. 9753378 - Exposure apparatus, exposure method, and device manufacturing method

3. 9054140 - Substrate holder system, substrate holder, fastening mechanism, substrate bonding apparatus and method for manufacturing devices

4. 9041902 - Exposure apparatus, exposure method, and device manufacturing method

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as of
1/13/2026
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