Growing community of inventors

Nara, Japan

Sigeki Itoh

Average Co-Inventor Count = 2.00

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 = 30

Sigeki Itoh ↔ Kiyoshi Yoneda (1 patent)Sigeki ItohSigeki Itoh (1 patent)Kiyoshi YonedaKiyoshi Yoneda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Suminoe Orimono Kabushiki Kaisha (1 from 3 patents)

2. Kabushiki Kaisha Yoneda Tekkoh (1 from 1 patent)


1 patent:

1. 4831948 - Tufting machine

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1/14/2026
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