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Dive into the research topics where Yoshimi Sakai is active.

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Featured researches published by Yoshimi Sakai.


Archive | 1995

Apparatus for making a plurality of optical record disc subtrates

Seiki Shimazu; Kenji Yamaga; Yoshimi Sakai; Atsushi Koyama; Yuichi Namikawa


Archive | 1993

Method of making a plurality of optical record disc substrates

Seiki Shimazu; Kenji Yamaga; Yoshimi Sakai; Atsushi Koyama; Yuichi Namikawa


Archive | 2003

Method for manufacturing discoid optical record medium and discoid optical record medium

Mamoru Usami; Tomoki Ushida; Kenji Yamaga; Yoshimi Sakai


Archive | 2004

Stamper, mold system, recording medium substrate, recording medium, optical disc substrate, optical disc, and method for producing stamper

Yuuichi Kawaguchi; Kenji Yamaga; Hiroaki Takahata; Hisaji Oyake; Yoshimi Sakai


Archive | 1989

Guard panel for tape cassettes and method and apparatus for manufacturing the same

Yoshimi Sakai; Yoshiki Satoh


Archive | 2004

Optical recording medium and method for making the same

Junichi Satou; Mamoru Usami; Yoshimi Sakai; Akira Itoga


Archive | 2004

Optical recording medium and method of fabricating the same

Junichi Satou; Mamoru Usami; Yoshimi Sakai


Archive | 2002

Stamper for forming at least a data recording region on an optical recording substrate, optical recording substrate, and methods for producing such a stamper

Yuuichi Kawaguchi; Kenji Yamaga; Hiroaki Takahata; Hisaji Oyake; Yoshimi Sakai


Archive | 2002

Method for manufacturing disc-shaped substrate material

Mamoru Usami; Yuuichi Kawaguchi; Kenji Yamaga; Yoshimi Sakai


Archive | 1993

Verfahren und Vorrichtung zur Herstellung von Substraten einer optischen Platte Method and apparatus for producing optical disc substrates

Shimazu Seiki; Yoshimi Sakai; Kenji Yamaga; Atsushi Koyama; Yuichi Namikawa

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