Growing community of inventors

Matsue, Japan

Keiichi Kawanabe

Average Co-Inventor Count = 5.00

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 = 9

Keiichi Kawanabe ↔ Takashi Nakamura (1 patent)Keiichi Kawanabe ↔ Takehiro Shibuya (1 patent)Keiichi Kawanabe ↔ Takao Yamamuro (1 patent)Keiichi Kawanabe ↔ Satoru Yoshihara (1 patent)Keiichi KawanabeKeiichi Kawanabe (1 patent)Takashi NakamuraTakashi Nakamura (63 patents)Takehiro ShibuyaTakehiro Shibuya (12 patents)Takao YamamuroTakao Yamamuro (3 patents)Satoru YoshiharaSatoru Yoshihara (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Electric Glass Co., Ltd. (1 from 604 patents)


1 patent:

1. 5527836 - Bioactive cement

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12/12/2025
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