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Dive into the research topics where Hideo Usui is active.

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Featured researches published by Hideo Usui.


Archive | 1975

Recording method comprising reacting cellulose fiber with a basic color former

Sadao Ishige; Hideo Usui; Hajime Kato; Keiso Saeki; Masataka Kiritani


Archive | 1979

Recording materials containing chromenoindoles

Hideo Usui; Sadao Ishige; Keiso Saeki


Archive | 1977

Indolochromenderivate, verfahren zu ihrer herstellung und diese enthaltende aufzeichnungsmaterialien Indolochromenderivate, process for their production and recording materials containing them

Hideo Usui; Sadao Ishige; Kanagawa Ashigara; Keiso Saeki


Archive | 1977

Aufzeichnungsmaterial Recording material

Sadao Ishige; Hideo Usui; Kanagawa Ashigara; Keiso Saeki


Archive | 1977

Indolochromenderivate, verfahren zu ihrer herstellung und diese enthaltende aufzeichnungsmaterialien

Hideo Usui; Sadao Ishige; Kanagawa Ashigara; Keiso Saeki


Archive | 1977

Indolochromenderivate, process for their production and recording materials containing them

Hideo Usui; Sadao Ishige; Kanagawa Ashigara; Keiso Saeki


Archive | 1976

Thiazinderivate und verfahren zu ihrer herstellung Thiazine derivatives and process for their preparation

Hideo Usui; Sadao Ishige; Kanagawa Ashigara; Keiso Saeki


Archive | 1975

Recording method and recording material

Sadao Ishige; Hideo Usui; Kanagawa Ashigara; Hajime Kato; Keiso Saeki; Masataka Kiritani; Shizuoka Fujimiya


Archive | 1975

Aufzeichnungsverfahren und aufzeichnungsmaterial Recording method and recording material

Sadao Ishige; Hideo Usui; Kanagawa Ashigara; Hajime Kato; Keiso Saeki; Masataka Kiritani; Shizuoka Fujimiya


Archive | 1974

1,3-dihydro-l-oxo-benzo- (eckige klammer auf) b (eckige klammer zu) -thieno- (eckige klammer auf) 2,3-c (eckige klammer zu) furanderivate und diese enthaltende druckempfindliche kopierpapiere 1,3-dihydro-l-oxo-benzo (square clamp-on) b (square bracket-to) furan derivatives thieno (square clamp-on) of 2,3-c (square bracket-to) and containing the same pressure-sensitive copying paper

Hideo Usui; Sadao Ishige; Teruo Kobayashi; Keiso Saeki

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