Inventor
OGATA NOBUO
JP38 patents
⚠️ This page may combine multiple inventors who share the name “OGATA NOBUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
30 patentsUS5085496AFeb 4, 1992
Optical element and optical pickup device comprising it
SHARP KK242 citations99
US5940364AAug 17, 1999
Optical disk including wobbled guiding groove composed of pits, optical disk manufacturing apparatus, and optical disk recording/reproducing apparatus
SHARP KK112 citations98
US6407968B1Jun 18, 2002
Optical information recording/reproducing apparatus having focus error signal compensation
SHARP KK40 citations93
US5673247ASep 30, 1997
Optical pickup having two objective lenses
SHARP KK34 citations93
US5446721AAug 29, 1995
Objective lens drive device with support system
SHARP KK27 citations93
US7260047B2Aug 21, 2007
Optical pickup that uses light sources with different wavelengths for each of multiple recording mediums
SHARP KK28 citations92
US5189655AFeb 23, 1993
Optical head for optical disk recording/reproducing apparatus including modified wollaston prism
SHARP KK41 citations92
US6392970B1May 21, 2002
Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium
SHARP KK19 citations84
US5999502ADec 7, 1999
Optical information recording/reproducing apparatus having focus servo control compensation for lands and grooves
SHARP KK19 citations84
US6614720B1Sep 2, 2003
Optical pickup device
SHARP KK18 citations82
US7239603B1Jul 3, 2007
Recording medium with judging area for track area identification based on wobbling polarity
SHARP KK7 citations74
US5696742ADec 9, 1997
Optical disk device for reproducing address information from wobbled groove
SHARP KK17 citations74
US5659528AAug 19, 1997
Information recording-reproduction method
SHARP KK7 citations74
US5442616AAug 15, 1995
Light source unit and method of adjusting for maximizing focus and tracking errors thereby
SHARP KK13 citations74
US5428595AJun 27, 1995
Optical information recording and reproducing device
SHARP KK13 citations74
US5050155ASep 17, 1991
Pick-up device for use in an optical information recording system utilizing a diffraction grating with blaze characteristics
SHARP KK15 citations74
US4985880AJan 15, 1991
Optical information recording and reproducing apparatus
SHARP KK8 citations73
US7075865B2Jul 11, 2006
Optical pickup
SHARP KK7 citations72
US4812638AMar 14, 1989
Focusing error detector and optical data detecting device incorporating the focusing error detector
SHARP KK16 citations72
US7697396B2Apr 13, 2010
Optical integrated unit and optical pickup device including same
SHARP KK2 citations63
US6930976B2Aug 16, 2005
Optical recording medium and optical pickup device
SHARP KK6 citations63
US5774428AJun 30, 1998
Method and apparatus for magneto-optical recording or reproducing using modulated magnetic field
SHARP KK2 citations63
US7848207B2Dec 7, 2010
Optical pickup
SHARP KK1 citations62
US7522508B2Apr 21, 2009
Optical pickup
SHARP KK2 citations62
US4849825AJul 18, 1989
Pick-up device for use in an optical information recording system
SHARP KK3 citations62
US5737297AApr 7, 1998
Optical head
SHARP KK4 citations61
US7821902B2Oct 26, 2010
Aberration detection device and optical pickup device provided with same
SHARP KK1 citations52
US7606134B2Oct 20, 2009
Optical pickup
SHARP KK0 citations51
US7471610B2Dec 30, 2008
Optical pickup
SHARP KK0 citations51
US6687203B2Feb 3, 2004
Optical recording medium, optical recording and reproducing device, and recording and reproducing method for the optical recording medium
SHARP KK0 citations47
KYOWA HAKKO KOGYO KK
5 patentsUS5520933AMay 28, 1996
Method for the production of foods and beverages
KYOWA HAKKO KOGYO KK20 citations87
US6368835B1Apr 9, 2002
Process for producing a lactone using corynebacterium sp. NK-1 (FERM BP-6329)
KYOWA HAKKO KOGYO KK4 citations70
US7037672B2May 2, 2006
Process for producing a bran pickles flavoring solution
KYOWA HAKKO KOGYO KK3 citations59
US6242015B1Jun 5, 2001
Process for producing a fruity flavoring agent
KYOWA HAKKO KOGYO KK5 citations58
US5792636AAug 11, 1998
Process for producing a stable carboxylesterase in dry form
KYOWA HAKKO KOGYO KK0 citations46