Inventor
SHIBUYA GIICHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “SHIBUYA GIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
16 patentsUS4995029AFeb 19, 1991
Optical disk identifying method, manufacture of cartridge-enclosed optical disks, and optical disk cartridges
TDK CORP40 citations92
US5260921ANov 9, 1993
Magnetooptical recording method
TDK CORP10 citations74
US7672201B2Mar 2, 2010
Diffraction grating, light-receiving element, and optical head and optical recording/reproducing apparatus utilizing them
TDK CORP5 citations63
US5307329AApr 26, 1994
Magneto-optical recording head comprising a step-down transformer
TDK CORP4 citations63
US7120180B2Oct 10, 2006
Laser diode driving circuit and an optical head
TDK CORP2 citations62
US6970487B2Nov 29, 2005
Semiconductor laser driving circuit and optical head
TDK CORP2 citations62
US6809996B2Oct 26, 2004
Optical head, optical recording/reproducing apparatus and laser module
TDK CORP3 citations62
US6724699B2Apr 20, 2004
Optical head, lazer diode module and optical recording-reproducing apparatus
TDK CORP5 citations62
US5477509ADec 19, 1995
Magneto-optical head circuit for minimizing the overshoot reversing current
TDK CORP5 citations62
US7177242B2Feb 13, 2007
Condenser with first and second photodetectors with three sections each and having focal points before and after the surface of detectors
TDK CORP2 citations61
US5590099ADec 31, 1996
Magneto-optical recording method and method for making information-carrying magneto-optical recording medium
TDK CORP0 citations52
US7266065B2Sep 4, 2007
Apparatus for discriminating optical recording medium and method for discriminating optical recording medium
TDK CORP1 citations51
US7200084B2Apr 3, 2007
Apparatus for discriminating optical recording medium and method for discriminating optical recording medium
TDK CORP0 citations51
US7158459B2Jan 2, 2007
Apparatus for discriminating optical recording medium and method for discriminating optical recording medium
TDK CORP0 citations51
US7085213B2Aug 1, 2006
Apparatus for discriminating optical recording medium and method for discriminating optical recording medium
TDK CORP0 citations51
US7447139B2Nov 4, 2008
Light-receiving element, optical head, optical recording/reproducing apparatus, and method of optical recording and reproduction
TDK CORP0 citations41
UNIV OSAKA
7 patentsUS10095081B2Oct 9, 2018
Liquid crystal element, deflection element, liquid crystal module, and electronic device
UNIV OSAKA7 citations84
US10761245B2Sep 1, 2020
Liquid crystal element, deflection element, and eyeglasses
UNIV OSAKA4 citations73
US11762129B2Sep 19, 2023
Liquid crystal element, deflection element, and eyeglasses
UNIV OSAKA0 citations62
US11249224B2Feb 15, 2022
Liquid crystal element, deflection element, and eyeglasses
UNIV OSAKA0 citations62
US12204227B2Jan 21, 2025
Liquid crystal element
UNIV OSAKA0 citations61
US11899336B2Feb 13, 2024
Liquid crystal element
UNIV OSAKA1 citations61
US11860484B2Jan 2, 2024
Liquid crystal element
UNIV OSAKA1 citations61