Inventor
IWAKI TETSUO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “IWAKI TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
23 patentsUS5754226AMay 19, 1998
Imaging apparatus for obtaining a high resolution image
SHARP KK197 citations99
US6108036AAug 22, 2000
Imaging apparatus having a spatial filter and image shifting mechanism controller based on an image mode
SHARP KK83 citations96
US5414719AMay 9, 1995
Operating circuit for galois field
SHARP KK70 citations96
US6741406B2May 25, 2004
Objective lens, optical pickup-device equipped with same and assembling method of same
SHARP KK37 citations92
US6577341B1Jun 10, 2003
Imaging apparatus
SHARP KK52 citations92
US6507559B1Jan 14, 2003
Optical recording medium having light transparent cover layer smaller in outer diameter than substrate
SHARP KK34 citations92
US6388822B1May 14, 2002
Optical pickup device and optical recording medium
SHARP KK37 citations92
US6381208B1Apr 30, 2002
Optical recording medium and optical recording and reproducing apparatus
SHARP KK47 citations92
US6342978B1Jan 29, 2002
Pickup device for optical disk
SHARP KK24 citations92
US6266086B1Jul 24, 2001
Imaging apparatus
SHARP KK43 citations92
US5657082AAug 12, 1997
Imaging apparatus and method using interpolation processing
SHARP KK39 citations92
US6744568B2Jun 1, 2004
Objective lens, method for correcting manufacturing error thereof, and optical pick-up device using the same
SHARP KK18 citations84
US6191894B1Feb 20, 2001
Zoom lens and imaging device incorporating the same
SHARP KK19 citations84
US6937381B2Aug 30, 2005
Optical pickup device
SHARP KK10 citations74
US6456324B1Sep 24, 2002
Image shifting image pickup apparatus using filter for removing spatial frequency component
SHARP KK13 citations74
US5668746ASep 16, 1997
Reproduced waveform equalization circuit
SHARP KK7 citations73
US5517369AMay 14, 1996
Multi-track magnetic signal reproducing apparatus
SHARP KK11 citations73
US6438089B1Aug 20, 2002
Optical pickup device
SHARP KK4 citations63
US7295504B2Nov 13, 2007
Beam shaping element, and light source unit and optical pickup using same
SHARP KK5 citations62
US5173815ADec 22, 1992
Recording position compensation circuit for use in digital information recording-reproduction apparatus
SHARP KK6 citations62
US4812987AMar 14, 1989
Wave shaping circuit
SHARP KK4 citations60
US7218813B2May 15, 2007
Optical communication system
SHARP KK1 citations52
US7319820B2Jan 15, 2008
Method of manufacturing optical communication system
SHARP KK0 citations42