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Latest external collaboration on country level. Dive into details by clicking on the dots.

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Dive into the research topics where Ryozo Kawai is active.

Publication


Featured researches published by Ryozo Kawai.


Archive | 1990

Anti-dazzling polycarbonate polarizing plate

Takao Kawaki; Ryozo Kawai; Katsushige Hayashi; Masaki Nagata


Archive | 2005

Light control plastic lens, coated sheet-like light control element for the lens production, and a production method for light control plastic lens

Ryozo Kawai; Yoshiyuki Aoki; Kyohei Takakuwa; Mitsuhiko Masumoto; Toshizumi Hirota; Motoharu Takeuchi


Archive | 1988

Process for producing a polarizing film

Akitoshi Sugio; Ryozo Kawai; Masaki Nagata; Tamaki Kamimura


Archive | 2005

Photochromic lens and its manufacturing method

Yoshiyuki Aoki; Toshikazu Hirota; Fumiaki Kakeya; Ryozo Kawai; Mitsuhiko Masumoto; 光彦 増本; 俊積 広田; 文彰 掛谷; 良三 河合; 良行 青木


Archive | 1996

Biodegradable water-soluble polymer

Ryozo Kawai; Hiroshi Kurata; Yukari Shimizu; Shoichiro Kajiwara


Archive | 1995

Aliphatic polyester carbonate and process for producing the same

Ryozo Kawai; Mitsuo Miura; Kyohei Takakuwa; Yoshinori Isahaya; Takayasu Fujimori; Jiro Suito; Makoto Nakamura


Archive | 2004

Method for manufacturing plastic polarizing lens body, plastic polarizing lens body, polarizing laminate used for manufacturing lens body and coated sheet

Yoshiyuki Aoki; Toshikazu Hirota; Ryozo Kawai; Mitsuhiko Masuki; Motoharu Takeuchi; 光彦 増木; 俊積 広田; 良三 河合; 基晴 竹内; 良行 青木


Archive | 2004

Manufacturing method of plastic light control lens, plastic light control lens,and coating film sheet-like light controller and cover sheet for use in the lens manufacture

Yoshiyuki Aoki; Toshikazu Hirota; Ryozo Kawai; Mitsuhiko Masumoto; Kyohei Takakuwa; Motoharu Takeuchi; 光彦 増本; 俊積 広田; 良三 河合; 基晴 竹内; 良行 青木; 恭平 高桑


Archive | 2005

Polarizing or photochromic plastic lens, coated sheet-like light element and method of its production

Yoshiyuki Aoki; Ryozo Kawai; Mitsuhiko Masumoto; Kyohei Takakuwa


Archive | 2004

Polycarbonate resin composition and polarizing sheet used the same

Takayasu Fujimori; Noriyuki Kato; Shingo Kanasaki; Ryozo Kawai; Hiromi Kagaya

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