Growing community of inventors

Chiba, Japan

Keiichi Kamada

Average Co-Inventor Count = 3.69

ph-index = 4

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 = 61

Keiichi Kamada ↔ Shiro Shiraishi (2 patents)Keiichi Kamada ↔ Seiji Kawamoto (2 patents)Keiichi Kamada ↔ Makoto Yaegashi (2 patents)Keiichi Kamada ↔ Motoyuki Torikai (1 patent)Keiichi Kamada ↔ Yasuo Ohkita (1 patent)Keiichi Kamada ↔ Katuaki Iiyama (1 patent)Keiichi Kamada ↔ Isao Itoh (1 patent)Keiichi Kamada ↔ Yasushi Yano (1 patent)Keiichi KamadaKeiichi Kamada (4 patents)Shiro ShiraishiShiro Shiraishi (5 patents)Seiji KawamotoSeiji Kawamoto (3 patents)Makoto YaegashiMakoto Yaegashi (2 patents)Motoyuki TorikaiMotoyuki Torikai (7 patents)Yasuo OhkitaYasuo Ohkita (1 patent)Katuaki IiyamaKatuaki Iiyama (1 patent)Isao ItohIsao Itoh (1 patent)Yasushi YanoYasushi Yano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Toatsu Chemicals, Incorporated (4 from 1,379 patents)


4 patents:

1. 4997650 - Insecticidal resin coating film

2. 4886704 - Strippable coating film and coating method using same

3. 4818525 - Insecticidal resin coating film

4. 4590230 - Adhesive composition for ceramic tiles

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as of
1/10/2026
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