Inventor
KAKINUMA YUJI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KAKINUMA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
24 patentsUS5640349AJun 17, 1997
Flash memory system
TDK CORP147 citations95
US6591329B1Jul 8, 2003
Flash memory system for restoring an internal memory after a reset event
TDK CORP72 citations93
US6581132B1Jun 17, 2003
Flash memory system including a memory manager for managing data
TDK CORP64 citations93
US6930911B2Aug 16, 2005
Magnetic memory device, method for writing on the same and method for reading from the same
TDK CORP24 citations92
US7991377B2Aug 2, 2011
Mixer and frequency converting apparatus
TDK CORP8 citations84
US7825658B2Nov 2, 2010
Magnetic device and frequency detector
TDK CORP11 citations84
US7808229B2Oct 5, 2010
Magnetic device and frequency analyzer
TDK CORP8 citations84
US6996001B2Feb 7, 2006
Magnetic memory device, write current drive circuit, and write current drive method
TDK CORP13 citations84
US8019315B2Sep 13, 2011
Mixer and frequency converting apparatus
TDK CORP10 citations83
US7209380B2Apr 24, 2007
Magnetic memory device and method of reading the same
TDK CORP15 citations83
US7295460B2Nov 13, 2007
Magnetic memory cell, magnetic memory device, and method of manufacturing magnetic memory device
TDK CORP7 citations74
US7227771B2Jun 5, 2007
Magnetoresistive effect element and magnetic memory device
TDK CORP8 citations74
US7016221B2Mar 21, 2006
Magnetoresistive effect element, magnetic memory device and method of fabricating the same
TDK CORP7 citations74
US7277320B2Oct 2, 2007
Magnetic memory device, sense amplifier circuit and method of reading from magnetic memory device
TDK CORP7 citations73
US10529914B2Jan 7, 2020
Magnetic memory
TDK CORP4 citations72
US7342822B2Mar 11, 2008
Magnetic memory device, write current driver circuit and write current driving method
TDK CORP5 citations62
US7230843B2Jun 12, 2007
Magnetic memory device and writing method of the same
TDK CORP4 citations62
US12009019B2Jun 11, 2024
Non-volatile associative memory cell, non-volatile associative memory device, monitoring method, and non-volatile memory cell
TDK CORP0 citations52
US11573122B2Feb 7, 2023
Resistive element array circuit, resistive element array circuit unit, and infrared sensor
TDK CORP0 citations52
US10020831B2Jul 10, 2018
Microwave receiver and magnetoresistive device
TDK CORP1 citations52
US9017831B2Apr 28, 2015
Thin-film magnetic oscillation element
TDK CORP1 citations52
US7808813B2Oct 5, 2010
Magnetic memory cell reading apparatus
TDK CORP0 citations52
US7522450B2Apr 21, 2009
Magnetic storage cell, magnetic memory device and magnetic memory device manufacturing method
TDK CORP0 citations52
US7349244B2Mar 25, 2008
Magnetic memory device
TDK CORP0 citations52
KYODO PRINTING CO LTD
7 patentsUS5111033AMay 5, 1992
Optical card
KYODO PRINTING CO LTD60 citations96
US5010243AApr 23, 1991
Method of producing an optical recording card having a hologram contained therein
KYODO PRINTING CO LTD81 citations96
US4945215AJul 31, 1990
Optical recording card having hologram contained therein and method of producing the same
KYODO PRINTING CO LTD60 citations96
US4860275AAug 22, 1989
Optical recording card and method of reading the same
KYODO PRINTING CO LTD26 citations93
US5217844AJun 8, 1993
Optical recording medium, method of producing the same and method of producing the optical recording card
KYODO PRINTING CO LTD49 citations92
US5292616AMar 8, 1994
Optical card of closed type
KYODO PRINTING CO LTD20 citations84
US5114531AMay 19, 1992
Method of producing masks for rom type optical recording cards and method of inspecting masks
KYODO PRINTING CO LTD9 citations74