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Dive into the research topics where Hiroshi Tsuyuguchi is active.

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Featured researches published by Hiroshi Tsuyuguchi.


Archive | 1993

Power saving system for rotating disk data storage apparatus

Tohru Miura; Hiroshi Tsuyuguchi


Archive | 1994

Disk apparatus having a power consumption reducing mechanism

Yoshiaki Umeda; Teruo Furukawa; Masaharu Ogawa; Kazuhiko Nakane; Akira Mashimo; Tetsuro Araki; Hiroyuki Onda; Yoshiaki Sakai; Hiroshi Tsuyuguchi; Katsuya Enami


Archive | 1987

Method and apparatus for rewriting on a magnetic disk on which data has been written by another apparatus having half the track density capability of the first apparatus

Makoto Shoji; Hiroshi Tsuyuguchi; Yoshiaki Sakai


Archive | 1992

Method and apparatus for discriminating between unformatted magnetic disk assemblies of two different storage capacities

Hiroshi Tsuyuguchi; Shinichi Aikawa; Fumio Nagase


Archive | 1987

Circuit arrangement and method for saving power in magnetic disk apparatus without head displacement

Makoto Shoji; Hiroshi Tsuyuguchi; Shozo Toma; Kazuhiro Hiraki; Tsutomu Morita


Archive | 1992

Assembling position adjusting mechanism of a spindle motor for a magnetic disk apparatus

Kiyoshi Fukuchi; Yoshiaki Sakai; Hiroshi Tsuyuguchi; Takashi Numata; Fumio Nagase


Archive | 1991

Head carriage apparatus moved by a lead-screw shaft including resilient means for pressing the lead-screw shaft in a slanting direction toward the head carriage

Takahiro Sakaguchi; Daihachiro Takasu; Yasuhiko Ando; Kazuo Yokota; Hiroshi Tsuyuguchi


Archive | 1988

Optical tracking servo apparatus

Hiroshi Tsuyuguchi; Makoto Syoji; Tsutomu Morita


Archive | 1986

Stepping motor drive system and method capable of stopping the rotor in a required angular position

Katsuya Enami; Hiroshi Tsuyuguchi; Takahiro Sakaguchi


Archive | 1992

System for holding a track counter active despite power suspension in rotating disk data storage apparatus

Tohru Miura; Hiroshi Tsuyuguchi; Fumio Nagase; Miya Enami

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