Inventor
ENDO NAOTO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “ENDO NAOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUMI ELECTRIC CO LTD
9 patentsUS7586294B2Sep 8, 2009
Current resonance type DC/DC converter actualizing a stable zero-current switching
MITSUMI ELECTRIC CO LTD14 citations83
US7224149B2May 29, 2007
Current resonance type DC/DC converter capable of decreasing losses on no-load and a light load
MITSUMI ELECTRIC CO LTD18 citations83
US7633780B2Dec 15, 2009
Switching power supply apparatus with low loss synchronous rectification
MITSUMI ELECTRIC CO LTD17 citations82
US7696734B2Apr 13, 2010
Multiphase DC-DC converter
MITSUMI ELECTRIC CO LTD16 citations81
US7521911B2Apr 21, 2009
Switching power supply capable of always switching a switching element at an optimal timing
MITSUMI ELECTRIC CO LTD6 citations62
US7817446B2Oct 19, 2010
Switching power supply circuit
MITSUMI ELECTRIC CO LTD5 citations60
US6853678B2Feb 8, 2005
Synchronizing circuit
MITSUMI ELECTRIC CO LTD4 citations54
US7183726B2Feb 27, 2007
Cold cathode fluorescent lamp drive apparatus and method
MITSUMI ELECTRIC CO LTD0 citations51
US7274172B2Sep 25, 2007
Drive state detection circuit
MITSUMI ELECTRIC CO LTD1 citations45
HITACHI LTD
6 patentsUS6403240B1Jun 11, 2002
Magnetic recording media and magnetic recording system using the same
HITACHI LTD35 citations92
US5587235ADec 24, 1996
Magnetic recording medium and magnetic recording apparatus
HITACHI LTD30 citations92
US6509111B1Jan 21, 2003
Magnetic recording media and magnetic disk apparatus
HITACHI LTD16 citations83
US6852432B2Feb 8, 2005
Magnetic recording media and magnetic disk apparatus
HITACHI LTD9 citations73
US6596420B2Jul 22, 2003
Magnetic recording media and magnetic recording system using the same
HITACHI LTD12 citations73
US5766756AJun 16, 1998
Magnetic recording medium for longitudinal recording and method of manufacturing the same
HITACHI LTD2 citations61