Inventor
TOKAI YOICHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “TOKAI YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
21 patentsUS6022486AFeb 8, 2000
Refrigerator comprising a refrigerant and heat regenerative material
TOSHIBA KK46 citations96
US5186765AFeb 16, 1993
Cold accumulating material and method of manufacturing the same
TOSHIBA KK56 citations96
US5677617AOct 14, 1997
Micro power supply device using switching element
TOSHIBA KK28 citations92
US5449416ASep 12, 1995
Cold accumulating material and method of manufacturing the same
TOSHIBA KK36 citations92
US5447034ASep 5, 1995
Cryogenic refrigerator and regenerative heat exchange material
TOSHIBA KK41 citations92
US5332029AJul 26, 1994
Regenerator
TOSHIBA KK35 citations92
US4891992AJan 9, 1990
Torque detecting apparatus
TOSHIBA KK34 citations92
US5593517AJan 14, 1997
Regenerating material and refrigerator using the same
TOSHIBA KK47 citations91
US6045208AApr 4, 2000
Ink-jet recording device having an ultrasonic generating element array
TOSHIBA KK43 citations90
US6696858B2Feb 24, 2004
Level-shifting circuit
TOSHIBA KK13 citations84
US5110376AMay 5, 1992
Super-magnetostrictive alloy
TOSHIBA KK19 citations82
US6336978B1Jan 8, 2002
Heat regenerative material formed of particles or filaments
TOSHIBA KK9 citations74
US5744943AApr 28, 1998
Circuitry for supplying DC power to a small-size electronic apparatus
TOSHIBA KK14 citations74
US5269854ADec 14, 1993
Regenerative material
TOSHIBA KK17 citations74
US5223046AJun 29, 1993
Super-magnetostrictive alloy
TOSHIBA KK8 citations74
US5190599AMar 2, 1993
Magnetic memory and magnetic alloy thereof
TOSHIBA KK8 citations74
US9680466B2Jun 13, 2017
Analog switch and multiplexer
TOSHIBA KK3 citations73
US9178428B2Nov 3, 2015
Step-down switching circuit
TOSHIBA KK2 citations63
US10903832B2Jan 26, 2021
Current drive circuit
TOSHIBA KK0 citations62
US5224657AJul 6, 1993
Cryogenic refrigerator
TOSHIBA KK4 citations62
US10128849B2Nov 13, 2018
Level shift circuit, semiconductor device, and battery supervisory apparatus
TOSHIBA KK0 citations42