Growing community of inventors

Otsu, Japan

Yasuhiro Ishizuka

Average Co-Inventor Count = 3.00

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 = 3

Yasuhiro IshizukaSeiichi Yamagata (1 patent)Yasuhiro IshizukaTakashi Nakayama (1 patent)Yasuhiro IshizukaYasuhiro Ishizuka (1 patent)Seiichi YamagataSeiichi Yamagata (19 patents)Takashi NakayamaTakashi Nakayama (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 4593522 - Method and apparatus for producing spun yarn

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12/21/2025
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