Inventor
ZAITSU TOSHIYUKI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “ZAITSU TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OMRON TATEISI ELECTRONICS CO
17 patentsUS10944293B2Mar 9, 2021
Noncontact power supply apparatus
OMRON TATEISI ELECTRONICS CO8 citations83
US11171516B2Nov 9, 2021
Noncontact power supply apparatus
OMRON TATEISI ELECTRONICS CO1 citations62
US10797528B2Oct 6, 2020
Non-contact feeding device
OMRON TATEISI ELECTRONICS CO1 citations62
US10984945B2Apr 20, 2021
Transformer and resonant circuit having same
OMRON TATEISI ELECTRONICS CO0 citations56
US12057710B2Aug 6, 2024
System and methods of a non-contact feeding device providing constant output voltage to a power receiving device
OMRON TATEISI ELECTRONICS CO0 citations52
US11329513B2May 10, 2022
Contactless power transmission apparatus
OMRON TATEISI ELECTRONICS CO0 citations52
US11245291B2Feb 8, 2022
Non-contact power supply device capable of performing constant voltage output operation
OMRON TATEISI ELECTRONICS CO0 citations52
US11190058B2Nov 30, 2021
Non-contact power supply device and method for abnormal stop
OMRON TATEISI ELECTRONICS CO0 citations52
US11139693B2Oct 5, 2021
Contactless power transmission apparatus
OMRON TATEISI ELECTRONICS CO0 citations52
US11121587B2Sep 14, 2021
Non-contact power supply device capable of performing constant voltage output operation
OMRON TATEISI ELECTRONICS CO0 citations52
US11108273B2Aug 31, 2021
Contactless power transmission apparatus with stable bidirectional power transmission
OMRON TATEISI ELECTRONICS CO0 citations52
US11095160B2Aug 17, 2021
Non-contact power supply device
OMRON TATEISI ELECTRONICS CO0 citations52
US11081906B2Aug 3, 2021
Contactless power transmission apparatus
OMRON TATEISI ELECTRONICS CO0 citations52
US12040627B2Jul 16, 2024
Non-contact power feeding device
OMRON TATEISI ELECTRONICS CO0 citations51
US11967892B2Apr 23, 2024
DC power supply device and servo DC power supply system
OMRON TATEISI ELECTRONICS CO0 citations51
US11750129B2Sep 5, 2023
Servo DC power supply system and motor control device
OMRON TATEISI ELECTRONICS CO0 citations51
US11128173B2Sep 21, 2021
Noncontact power supply apparatus
OMRON TATEISI ELECTRONICS CO0 citations51
NEC CORP
7 patentsUS5969954AOct 19, 1999
AC/DC converter with a piezoelectric transformer
NEC CORP55 citations96
US5768111AJun 16, 1998
Converter comprising a piezoelectric transformer and a switching stage of a resonant frequency different from that of the transformer
NEC CORP91 citations96
US5329200AJul 12, 1994
Piezoelectric transformer converter for power use
NEC CORP62 citations96
US6535407B1Mar 18, 2003
DC/DC converter having a piezoelectric transformer and rectification-smoothing circuit
NEC CORP34 citations92
US5739622AApr 14, 1998
Converter wherein a piezoelectric transformer input signal is frequency modulated by a pulse width modulated signal
NEC CORP35 citations92
US5341061AAug 23, 1994
Piezoelectric transformer circuit using a piezoelectric transformer unit of a thickness extensional vibration mode
NEC CORP34 citations92
US5805432ASep 8, 1998
Resonant DC-DC converter capable of controlling by pulse width modulation
NEC CORP61 citations91