P

Inventor

NAKANO IKUO

JP20 patents
⚠️ This page may combine multiple inventors who share the name “NAKANO IKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

15 patents
US6603612B2Aug 5, 2003

Object lens barrel, object lens barrel drive unit and optical information recording and reproducing unit

SHARP KK109 citations97
US7260047B2Aug 21, 2007

Optical pickup that uses light sources with different wavelengths for each of multiple recording mediums

SHARP KK28 citations92
US6728179B1Apr 27, 2004

Apparatus and method for optical recording/reproducing information including electrical spherical-aberration correction mechanism having low power consumption

SHARP KK32 citations92
US6850472B2Feb 1, 2005

Optical pickup device and focus control method

SHARP KK8 citations74
US7042817B2May 9, 2006

Aberration detection device, aberration detection method, and optical pick-up device for controlling spherical aberration

SHARP KK7 citations72
US6914730B2Jul 5, 2005

Optical recording/reproducing apparatus

SHARP KK4 citations63
US7907497B2Mar 15, 2011

Multi-format optical storage medium, optical pickup, and optical read/write device

SHARP KK4 citations62
US7848207B2Dec 7, 2010

Optical pickup

SHARP KK1 citations62
US7522508B2Apr 21, 2009

Optical pickup

SHARP KK2 citations62
US6999400B1Feb 14, 2006

Lens, optical pickup device, and method for detecting lens inclination

SHARP KK6 citations62
US6822209B2Nov 23, 2004

Focal point dislocation detecting method and optical pickup apparatus

SHARP KK6 citations61
US6756575B2Jun 29, 2004

Aberration detecting method, optical recording and reproduction method using thereof, and optical recording and reproduction apparatus

SHARP KK5 citations61
US7898748B2Mar 1, 2011

Optical recording/reproducing apparatus

SHARP KK0 citations52
US7606134B2Oct 20, 2009

Optical pickup

SHARP KK0 citations51
US7471610B2Dec 30, 2008

Optical pickup

SHARP KK0 citations51

NAKANO IKUO

3 patents

ETOH ATSUSHI

1 patent

ASANO NAOMI

1 patent