Growing community of inventors

Tokyo, Japan

Ryo Matsui

Average Co-Inventor Count = 6.25

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 = 13

Ryo MatsuiShigeyuki Kikumoto (4 patents)Ryo MatsuiToru Yamazaki (3 patents)Ryo MatsuiMasahiro Ono (3 patents)Ryo MatsuiShigeru Suzuki (3 patents)Ryo MatsuiMikiro Yanaka (3 patents)Ryo MatsuiAtsushi Saitou (3 patents)Ryo MatsuiKunitaka Hirose (2 patents)Ryo MatsuiYoshiyuki Takemura (2 patents)Ryo MatsuiHaruka Takahashi (2 patents)Ryo MatsuiSei Kumakura (2 patents)Ryo MatsuiMasashi Yamamoto (1 patent)Ryo MatsuiTomohiro Sawa (1 patent)Ryo MatsuiRyo Matsui (4 patents)Shigeyuki KikumotoShigeyuki Kikumoto (5 patents)Toru YamazakiToru Yamazaki (49 patents)Masahiro OnoMasahiro Ono (39 patents)Shigeru SuzukiShigeru Suzuki (37 patents)Mikiro YanakaMikiro Yanaka (24 patents)Atsushi SaitouAtsushi Saitou (4 patents)Kunitaka HiroseKunitaka Hirose (7 patents)Yoshiyuki TakemuraYoshiyuki Takemura (2 patents)Haruka TakahashiHaruka Takahashi (2 patents)Sei KumakuraSei Kumakura (2 patents)Masashi YamamotoMasashi Yamamoto (25 patents)Tomohiro SawaTomohiro Sawa (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kureha Corporation (4 from 327 patents)


4 patents:

1. 8722719 - Amine compound and use for same

2. 7932281 - Amine-based compound and use thereof

3. 7833991 - Amine compound and use thereof

4. 7176227 - Amine compounds and use thereof

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as of
12/28/2025
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