Inventor
NAKATSU KEIJI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSU KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
6 patentsUS4835752AMay 30, 1989
Device for driving and controlling optical head for use in optical disk system
MITSUBISHI ELECTRIC CORP28 citations92
US4788421ANov 29, 1988
Apparatus for controlling relative movement of an optical head to an optical disk with velocity detection
MITSUBISHI ELECTRIC CORP31 citations92
US4955009ASep 4, 1990
Optical disk drive apparatus having counter disable at seek start-up
MITSUBISHI ELECTRIC CORP11 citations73
US4901299AFeb 13, 1990
Optical disk reading head controller
MITSUBISHI ELECTRIC CORP19 citations71
US5264911ANov 23, 1993
Laser power measuring jig for optical disk unit
MITSUBISHI ELECTRIC CORP4 citations61
US4887254ADec 12, 1989
Optical disk drive device for positioning a carriage to a retract position
MITSUBISHI ELECTRIC CORP6 citations57