Inventor
NAKAGAWA MASAYOSHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ELECTRIC CO LTD
13 patentsUSD630666SJan 11, 2011
Lens for light communication
ALPS ELECTRIC CO LTD19 citations92
US6469852B1Oct 22, 2002
Disk on which servo pattern is recorded and arithmetic processing method for servo pattern read from the disk
ALPS ELECTRIC CO LTD27 citations92
US6154330ANov 28, 2000
Disk provided with servo patterns and method of recording servo patterns
ALPS ELECTRIC CO LTD25 citations92
US7167344B2Jan 23, 2007
Magnetic head actuator having finely movable tracking device
ALPS ELECTRIC CO LTD31 citations90
US6791783B2Sep 14, 2004
Magnetic head device with microactuator fine motion device having electrode section molded out of resin
ALPS ELECTRIC CO LTD19 citations84
US6577464B2Jun 10, 2003
Magnetic recording device having first actuator for coarse adjustment and second actuator for fine adjustment
ALPS ELECTRIC CO LTD7 citations73
US6218750B1Apr 17, 2001
Driving device for polyphase motor
ALPS ELECTRIC CO LTD9 citations73
US5966259AOct 12, 1999
Magnetic recording medium formed in a plurality of tracks and magnetic recording-reproducing apparatus for the same
ALPS ELECTRIC CO LTD9 citations71
US5963391AOct 5, 1999
Servo information writing system
ALPS ELECTRIC CO LTD6 citations63
US6987649B2Jan 17, 2006
Magnetic head apparatus with microactuator having function of short-circuiting both electrodes of epiezoelectric elements and method of manufacturing the same
ALPS ELECTRIC CO LTD5 citations62
US6971155B2Dec 6, 2005
Method of manufacturing a magnetic head
ALPS ELECTRIC CO LTD2 citations62
US6317295B1Nov 13, 2001
Adjustment apparatus for magnetic head device
ALPS ELECTRIC CO LTD3 citations62
US6707645B2Mar 16, 2004
Microactuator-mounted magnetic head device with control conductive pattern
ALPS ELECTRIC CO LTD1 citations52
TOYOTA MOTOR CO LTD
5 patentsUS11333108B2May 17, 2022
Cooling system for internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US9810165B2Nov 7, 2017
Internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US12258927B1Mar 25, 2025
Internal combustion engine control device
TOYOTA MOTOR CO LTD0 citations48
US10753317B2Aug 25, 2020
EGR control device
TOYOTA MOTOR CO LTD0 citations41
US10221813B2Mar 5, 2019
Control device and control method for internal combustion engine
TOYOTA MOTOR CO LTD0 citations41