Growing community of inventors

Sagamihara, Japan

Masahiro Ashizawa

Average Co-Inventor Count = 3.43

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 = 5

Masahiro Ashizawa ↔ Makoto Nagase (2 patents)Masahiro Ashizawa ↔ Kengo Imamura (1 patent)Masahiro Ashizawa ↔ Dirk M Coppens (1 patent)Masahiro Ashizawa ↔ Atsushi Udagawa (1 patent)Masahiro AshizawaMasahiro Ashizawa (2 patents)Makoto NagaseMakoto Nagase (6 patents)Kengo ImamuraKengo Imamura (13 patents)Dirk M CoppensDirk M Coppens (9 patents)Atsushi UdagawaAtsushi Udagawa (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (2 from 7,865 patents)


2 patents:

1. 5475070 - Fluorine system water- and oil-repellent agent

2. 5308511 - Solvent-based water- and oil-repellent treating agent

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as of
1/8/2026
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