Growing community of inventors

Omuta, Japan

Koichi Matsuda

Average Co-Inventor Count = 3.75

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 = 8

Koichi Matsuda ↔ Masami Nakashima (2 patents)Koichi Matsuda ↔ Hiroshi Nishikawa (1 patent)Koichi Matsuda ↔ Hiroshi Harada (1 patent)Koichi Matsuda ↔ Makoto Fujiyoshi (1 patent)Koichi Matsuda ↔ Shohei Tamaki (1 patent)Koichi MatsudaKoichi Matsuda (2 patents)Masami NakashimaMasami Nakashima (2 patents)Hiroshi NishikawaHiroshi Nishikawa (6 patents)Hiroshi HaradaHiroshi Harada (3 patents)Makoto FujiyoshiMakoto Fujiyoshi (1 patent)Shohei TamakiShohei Tamaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Denki Kagaku Kogyo Kabushiki Kaisha (2 from 475 patents)


2 patents:

1. 4795723 - Electrically conductive ceramic product and process for its production

2. 4587287 - Coating composition

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as of
12/15/2025
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