P

Inventor

NAKANO JUNICHI

JP43 patents
⚠️ This page may combine multiple inventors who share the name “NAKANO JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OLYMPUS OPTICAL CO

15 patents
US5742568AApr 21, 1998

Tracking controller and seek controller for optical recording device

OLYMPUS OPTICAL CO20 citations93
US5699332ADec 16, 1997

Control circuit of optical disk system to improve transition for seek control to tracking control

OLYMPUS OPTICAL CO21 citations92
US5570335AOct 29, 1996

Reproducing waveform correction circuit for optical information recording/reproducing system

OLYMPUS OPTICAL CO35 citations92
US5566142AOct 15, 1996

Apparatus using an optical pickup

OLYMPUS OPTICAL CO28 citations92
US5970033AOct 19, 1999

Tracking control unit for optical disk drive capable of suppressing control residual derived from disturbance

OLYMPUS OPTICAL CO21 citations90
US5745468AApr 28, 1998

Mark edge recorded signal reproducing device for use in optical disk apparatus

OLYMPUS OPTICAL CO18 citations84
US6438090B1Aug 20, 2002

Optical pickup device

OLYMPUS OPTICAL CO7 citations74
US5875166AFeb 23, 1999

Optical pick-up apparatus having low coefficient of friction between slide bearing and guiding member

OLYMPUS OPTICAL CO16 citations73
US5598389AJan 28, 1997

Signal detector for an optical information reproducing apparatus

OLYMPUS OPTICAL CO10 citations73
US6496454B1Dec 17, 2002

Optical information recording/reproducing apparatus

OLYMPUS OPTICAL CO6 citations63
US6396785B1May 28, 2002

Optical disk apparatus

OLYMPUS OPTICAL CO5 citations63
US5195069AMar 16, 1993

Track jump controlling apparatus which can output decelerating pulses by switching a servo on after a fixed time

OLYMPUS OPTICAL CO6 citations63
US6661765B2Dec 9, 2003

Optical pickup apparatus

OLYMPUS OPTICAL CO4 citations62
US7058254B2Jun 6, 2006

Optical device, optical path switching device and optical path switching method

OLYMPUS OPTICAL CO2 citations59
US5684767ANov 4, 1997

Track jump control circuit of optical disk apparatus properly controlling timing of accelerating pulses and decelerating pulses, and performing stable track jump

OLYMPUS OPTICAL CO1 citations52

HONDA MOTOR CO LTD

10 patents

OLYMPUS CORP

7 patents

TOYOTA MOTOR CO LTD

4 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

TORAY INDUSTRIES

1 patent

TAKAYAMA MASAMI

1 patent

YUASA SHINYA

1 patent

NHK SPRING CO LTD

1 patent

NAKANO JUNICHI

1 patent