P

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 patents
USD630666SJan 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 patents

TDK CORP

2 patents

KOGO TOMOYUKI

1 patent

NAKATANI KOICHIRO

1 patent

ALPS ALPINE CO LTD

1 patent

NIPPON KOKAN KK

1 patent