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Dive into the research topics where Yoshihiro Oguchi is active.

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Japanese Journal of Applied Physics | 1987

New Write-once Optical Media Using Azulenium Dye

Takeshi Miyazaki; Tetsuro Fukui; Katsuhiko Takano; Yoshihiro Oguchi; Tsuyoshi Santoh; Katsuhiko Nishide; Yoshio Takasu

New write-once optical media comprising the azulenium dye film are reported. Azulenium dyes having strong absorbance in the near infrared range are synthesized and studied about their optical and thermal properties. The dye film made by a spin-coating process, has a sufficient absorbance and reflectance at a wave length of 830nm. The new media, comprising the dye film have high recording sensitivity and a sharp threshold in recording characteristics.


Archive | 1988

Optical information recording carrier

Kyo Miura; Hiroyuki Sugata; Yoshihiro Oguchi; Hitoshi Yoshino


Archive | 1992

Apparatus and method for recognizing characters

Tsunekazu Arai; Shigeru Mizuhara; Yoshihiro Oguchi; Kazutoshi Shimada; Kiyoshi Kaneko; Katsuyuki Kobayashi; Masaki Tokioka


Archive | 1984

Image-holding member having top layer of hydrophobic silica

Yoshihiro Oguchi; Kazuharu Katagiri


Archive | 1988

IR-ray absorptive compound and optical recording medium by use thereof

Tetsuro Fukui; Yoshihiro Oguchi; Hiroyuki Sugata; Kyo Miura


Archive | 1984

Electrophotographic process utilizing an azulenium salt-containing photosensitive member

Kazuharu Katagiri; Yoshihiro Oguchi; Yoshio Takasu


Archive | 1994

Optical recording medium and process for recording thereupon

Kazuharu Katagiri; Yoshihiro Oguchi; Yoshio Takasu


Archive | 1986

Thermal recording material for display and image display device utilizing the same

Yoshihiro Oguchi; Toshikazu Ohnishi; Yoshio Takasu; Kozo Arahara; Akihiro Mouri; Katsumi Kurematsu; Tsutomu Toyono; Shuzo Kaneo


Archive | 1988

Optical recording medium IR-ray absorptive compound and optical recording medium by use thereof

Yoshihiro Oguchi; Hiroyuki Sugata; Kyo Miura; Tetsuro Fukui; Yoshio Takasu


Archive | 1985

Photoconductive film of azulenium salt and electrophotographic photosensitive member

Kazuharu Katagiri; Yoshihiro Oguchi; Takeshi Ohtake; Kozo Arao; Yoshio Takasu

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