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Dive into the research topics where Daisuke Yoshitoku is active.

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Featured researches published by Daisuke Yoshitoku.


2006 Optical Data Storage Topical Meeting | 2006

150 GB, 6-Layer Write Once Disc for Blu-ray Disc System

Koji Mishima; Daisuke Yoshitoku; Hidetake Itoh; S. Yamatsu; H. Inoue; Tsuyoshi Komaki; K. Tanaka; T. Aoi

This report is on a 50 GB 6-layer write once disc with the newly developed recording materials for blu-ray disc system. We achieved the optimum recording powers and the jitter values less than 160 mW and 8.0% for each layer at the user data recording rate of 72 Mbps. This result shows feasibility of realization of 6-layered recordable blu-ray disc


Archive | 2008

Method for manufacturing information recording medium, method of transferring concavo-convex pattern, and transfer apparatus

Narutoshi Fukuzawa; Minoru Fujita; Daisuke Yoshitoku; Mitsuru Takai; Kazuya Shimakawa


Archive | 2008

Magnetic recording medium, magnetic recording and reproducing apparatus, method for manufacturing magnetic recording medium, and method for checking magnetic recording medium

Daisuke Yoshitoku; Minoru Fujita; Narutoshi Fukuzawa


Archive | 2006

Multilayer optical recording medium and method for recording information in multilayer optical recording medium

Koji Mishima; Takashi Kikukawa; Hidetake Itoh; Daisuke Yoshitoku


Archive | 2005

Optical recording medium and method of recording and reproducing of optical recording medium

Koji Mishima; Kenji Yamaga; Daisuke Yoshitoku


Archive | 2005

Optical head, optical recording/reproducing apparatus, and method of optical recording/reproduction utilizing the same

Giichi Shibuya; Koji Mishima; Daisuke Yoshitoku; Kenji Yamaga


Archive | 2008

Method for manufacturing magnetic recording medium, stamper, transferring apparatus, and method for forming resin mask

Narutoshi Fukuzawa; Kazuhiro Hattori; Minoru Fujita; Daisuke Yoshitoku


Archive | 2008

Method for manufacturing information recording medium, method for forming resin mask, transferring apparatus, and light-transmitting stamper

Narutoshi Fukuzawa; Daisuke Yoshitoku; Minoru Fujita; Tsuyoshi Komaki


Archive | 2005

Light-receiving element, optical head, optical recording/reproducing apparatus, and method of optical recording and reproduction

Giichi Shibuya; Koji Mishima; Daisuke Yoshitoku; Kenji Yamaga


Archive | 2004

Optical recording medium having multiple layers of different thermal conductivities

Daisuke Yoshitoku; Koji Mishima; Kenji Yamaga; Tsuyoshi Komaki; Shigeru Yamatsu

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