Growing community of inventors

Hachioji, Japan

Chiyo Toyomi

Average Co-Inventor Count = 2.40

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 = 0

Chiyo ToyomiUshio Yokoyama (1 patent)Chiyo ToyomiYasuhiro Osanai (1 patent)Chiyo ToyomiMuneyuki Ishikawa (1 patent)Chiyo ToyomiChiyo Toyomi (2 patents)Ushio YokoyamaUshio Yokoyama (13 patents)Yasuhiro OsanaiYasuhiro Osanai (11 patents)Muneyuki IshikawaMuneyuki Ishikawa (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Janome Sewing Machine Company Limited (2 from 609 patents)


2 patents:

1. 9598805 - Presser foot for sewing machine

2. 9297102 - Presser device with fabric guide

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as of
12/19/2025
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