P

Inventor

SHIMAMOTO MASAYOSHI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAMOTO MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC CORP

12 patents
US5475666ADec 12, 1995

Optically modulated overwritable recording device

MITSUBISHI ELECTRIC CORP75 citations94
US6320830B1Nov 20, 2001

Optical information reproduction device and signal processing circuit used therein

MITSUBISHI ELECTRIC CORP35 citations92
US5007038AApr 9, 1991

Method and apparatus for producing an accurate error signal in an optical recording medium driver

MITSUBISHI ELECTRIC CORP23 citations92
US6339567B1Jan 15, 2002

Method of and apparatus for optical information reproduction

MITSUBISHI ELECTRIC CORP23 citations91
US5946285AAug 31, 1999

Optical disk having a continuous information track formed of alternating land and groove track revolutions and a method of tracking the optical disk

MITSUBISHI ELECTRIC CORP19 citations84
US5218591AJun 8, 1993

Optical disk apparatus for shaping pits recorded on an optical disk

MITSUBISHI ELECTRIC CORP20 citations82
US5107483AApr 21, 1992

Frequency selective optical data record/regenerate apparatus

MITSUBISHI ELECTRIC CORP20 citations82
US6754145B1Jun 22, 2004

Tilt compensation device for disk drive

MITSUBISHI ELECTRIC CORP12 citations73
US5272684ADec 21, 1993

Information recording method and information recording apparatus for magneto-optic recording information medium

MITSUBISHI ELECTRIC CORP7 citations72
US5003525AMar 26, 1991

Apparatus for reading a magneto-optical disk

MITSUBISHI ELECTRIC CORP5 citations63
US5264911ANov 23, 1993

Laser power measuring jig for optical disk unit

MITSUBISHI ELECTRIC CORP4 citations61
US5309415AMay 3, 1994

Information recording method for overwriting a magneto-optic recording medium with two intensities of light beams

MITSUBISHI ELECTRIC CORP1 citations51

TEAC CORP

1 patent