Growing community of inventors

Yokohama, Japan

Ryoko Osawa

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 27

Ryoko OsawaTakashige Maekawa (4 patents)Ryoko OsawaSatoshi Kamata (4 patents)Ryoko OsawaSeisaku Kumai (2 patents)Ryoko OsawaTatsuo Momii (2 patents)Ryoko OsawaRyoko Osawa (4 patents)Takashige MaekawaTakashige Maekawa (29 patents)Satoshi KamataSatoshi Kamata (6 patents)Seisaku KumaiSeisaku Kumai (40 patents)Tatsuo MomiiTatsuo Momii (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Glass Company, Limited (4 from 2,560 patents)


4 patents:

1. 5646222 - Polyfluorohydrocarbon group-containing monomers, their polymers and

2. 5565607 - Polyfluorohydrocarbon group-containing monomers, their polymers and

3. 5519078 - Fluorine-containing benzophenone derivatives and use thereof

4. 5468904 - Fluorine-containing benzophenone derivatives and use thereof

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as of
12/31/2025
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