Growing community of inventors

Yokoze, Japan

Isao Ishiguchi

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 = 21

Isao Ishiguchi ↔ Takashi Yamaguchi (1 patent)Isao Ishiguchi ↔ Takeshi Inoue (1 patent)Isao Ishiguchi ↔ Masao Kashima (1 patent)Isao Ishiguchi ↔ Yasuo Miyashita (1 patent)Isao Ishiguchi ↔ Noboru Tomuro (1 patent)Isao Ishiguchi ↔ Shinjiro Tsujikawa (1 patent)Isao IshiguchiIsao Ishiguchi (2 patents)Takashi YamaguchiTakashi Yamaguchi (55 patents)Takeshi InoueTakeshi Inoue (7 patents)Masao KashimaMasao Kashima (5 patents)Yasuo MiyashitaYasuo Miyashita (4 patents)Noboru TomuroNoboru Tomuro (2 patents)Shinjiro TsujikawaShinjiro Tsujikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Mining and Cement Co. Ltd. (2 from 65 patents)


2 patents:

1. 4716134 - Dielectric ceramic composition

2. 4447853 - Ceramic capacitor

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as of
12/25/2025
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