Ogawa Masaharu

optical disc, and drive apparatus for such a disc

Ito Osamu, Ogawa Masaharu, Yoshimoto Kyosuke, 1988 .

90 mm rewritable optical disk drive

Ogawa Masaharu, Kazuhiko Nakane, Kyosuke Yoshimoto, 1992 .

Rapid Access Method For OpticaI Disk Drive Using Feedforward Brake Pulse

Ogawa Masaharu, K. Koyanagi, T. Furukawa, 1993 .