Growing community of inventors

Koka, Japan

Sumio Hishimuma

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 = 12

Sumio HishimumaKatsuo Kanno (1 patent)Sumio HishimumaSumio Hishimuma (1 patent)Katsuo KannoKatsuo Kanno (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Toray Industries, Inc. (1 from 3,476 patents)


1 patent:

1. 4607409 - Method and apparatus for processing textiles

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12/20/2025
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