Inventor
YAMAKOSHI TAKAMICHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKOSHI TAKAMICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
16 patentsUS6144517ANov 7, 2000
Magnetic disk device and method of manufacturing same
SONY CORP50 citations96
US5907448AMay 25, 1999
Magnetic disk device and method of manufacturing same having convex recordings regions, concave guard bands, and impressed concavities and convexities representing control signals
SONY CORP52 citations96
US6058084AMay 2, 2000
Disk-shaped recording medium using segment ID and disk unit using the disk-shaped recording medium
SONY CORP19 citations92
US5600501AFeb 4, 1997
Disk recording and/or reproducing apparatus that compensates for bit nonlinearity and a phase shift introduced by separate read and write heads
SONY CORP24 citations92
US6381292B1Apr 30, 2002
Phase synchronizing apparatus, phase synchronizing method and disc drive
SONY CORP18 citations84
US5828510AOct 27, 1998
Magnetic disk recording and playback apparatus using independently formed recorded pattern sets for clock generation
SONY CORP10 citations74
US5828509AOct 27, 1998
Magnetic disk recording and playback apparatus using independently formed recorded pattern sets for clock generation
SONY CORP5 citations74
US5796534AAug 18, 1998
Apparatus which performs an ID operation simultaneously with a servo operation using a data recording medium with the ID area recorded immediately before the servo area
SONY CORP15 citations74
US5786954AJul 28, 1998
Magnetic disk recording and playback apparatus using independently positioned recorded pattern sets for clock generation
SONY CORP8 citations74
US11156823B2Oct 26, 2021
Digital microscope apparatus, method of searching for in-focus position thereof, and program
SONY CORP0 citations62
US6091562AJul 18, 2000
Digital magnetic reproducing apparatus and digital magnetic recording/reproducing apparatus employing detection of second harmonic distortion and signal to noise ratio
SONY CORP2 citations59
US10371931B2Aug 6, 2019
Digital microscope apparatus, method of searching for in-focus position thereof, and program
SONY CORP0 citations51
US9341836B2May 17, 2016
Digital microscope apparatus, method of searching for in-focus position thereof, and program
SONY CORP0 citations51
US10328740B2Jun 25, 2019
Slide tray
SONY CORP0 citations50
US6122126ASep 19, 2000
Digital magnetic reproducing apparatus and digital magnetic recording/reproducing apparatus employing detection of second harmonic distortion and bias current control
SONY CORP1 citations48
US9575305B2Feb 21, 2017
Digital microscope apparatus, information processing method, and information processing program
SONY CORP0 citations41