Growing community of inventors

Chiba, Japan

Kouichi Muta

Average Co-Inventor Count = 1.00

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 = 188

Kouichi MutaKouichi Muta (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Hoky (1 from 12 patents)

2. Hoky Contico, L.l.c. (1 from 1 patent)


2 patents:

1. 5794297 - Cleaning members for cleaning areas near walls used in floor cleaner

2. 5426809 - Wiping instrument

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as of
12/24/2025
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