Growing community of inventors

Yasu-gun, Japan

Masakatsu Umeda

Average Co-Inventor Count = 8.00

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 = 21

Masakatsu UmedaTakehiko Miyoshi (2 patents)Masakatsu UmedaKazuya Matsumura (2 patents)Masakatsu UmedaKenzo Kubo (2 patents)Masakatsu UmedaDaisuke Yahata (2 patents)Masakatsu UmedaTatsuro Mizuki (2 patents)Masakatsu UmedaShinnichi Nishihata (2 patents)Masakatsu UmedaMotokatsu Nishimura (2 patents)Masakatsu UmedaMasakatsu Umeda (2 patents)Takehiko MiyoshiTakehiko Miyoshi (7 patents)Kazuya MatsumuraKazuya Matsumura (6 patents)Kenzo KuboKenzo Kubo (3 patents)Daisuke YahataDaisuke Yahata (3 patents)Tatsuro MizukiTatsuro Mizuki (3 patents)Shinnichi NishihataShinnichi Nishihata (2 patents)Motokatsu NishimuraMotokatsu Nishimura (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Toray Industries, Inc. (2 from 3,472 patents)


2 patents:

1. 7767120 - Aliphatic polyester multi-filament crimp yarn for a carpet, and production method thereof

2. 6740401 - Aliphatic polyester multi-filament crimp yarn for a carpet, and production method thereof

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12/8/2025
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