Growing community of inventors

Fujisawa, Japan

Koichi Murai

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 = 135

Koichi Murai ↔ Masatoshi Maruyama (1 patent)Koichi Murai ↔ Yukinobu Hasegawa (1 patent)Koichi Murai ↔ Hiroyoshi Shimomura (1 patent)Koichi Murai ↔ Toyokichi Tange (1 patent)Koichi MuraiKoichi Murai (1 patent)Masatoshi MaruyamaMasatoshi Maruyama (5 patents)Yukinobu HasegawaYukinobu Hasegawa (5 patents)Hiroyoshi ShimomuraHiroyoshi Shimomura (4 patents)Toyokichi TangeToyokichi Tange (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Carbide Kogyo Kabushiki Kaisha (1 from 88 patents)


1 patent:

1. 4996127 - Toner for developing an electrostatically charged image

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12/21/2025
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