Inventor
YASUKAWA AKIO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “YASUKAWA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
19 patentsUS6166937ADec 26, 2000
Inverter device with cooling arrangement therefor
HITACHI LTD265 citations99
US6414867B2Jul 2, 2002
Power inverter
HITACHI LTD169 citations97
US6877383B2Apr 12, 2005
Capacitive type pressure sensor
HITACHI LTD61 citations96
US5793106AAug 11, 1998
Semiconductor device
HITACHI LTD86 citations94
US7437927B2Oct 21, 2008
Thermal type gas flow meter
HITACHI LTD23 citations93
US5936235AAug 10, 1999
Cylinder pressure sensor
HITACHI LTD23 citations92
US6265784B1Jul 24, 2001
Resin sealed semiconductor device having improved arrangement for reducing thermal stress within the device
HITACHI LTD32 citations91
US4739125AApr 19, 1988
Electric component part having lead terminals
HITACHI LTD27 citations90
US7942053B2May 17, 2011
Air flow measuring instrument having dust particle diverting structure
HITACHI LTD8 citations84
US7469582B2Dec 30, 2008
Heating resistor type flow measuring device housing structure having projection and recess for preventing mis-installation
HITACHI LTD9 citations84
US6271601B1Aug 7, 2001
Wire bonding method and apparatus and semiconductor device
HITACHI LTD16 citations84
US4319397AMar 16, 1982
Method of producing semiconductor displacement transducer
HITACHI LTD22 citations81
US4205257AMay 27, 1980
Magnetron strap ring structure
HITACHI LTD19 citations81
US5606487AFeb 25, 1997
Electronic device for offsetting adverse effects of a plurality of chips which repetitively produce large pulses of heat
HITACHI LTD12 citations74
US4292618ASep 29, 1981
Semiconductor strain gauge with elastic load plate
HITACHI LTD9 citations74
US4604496AAug 5, 1986
Ceramic multilayer wiring board
HITACHI LTD9 citations72
US6698282B2Mar 2, 2004
Heated type air flow rate sensor and its forming method
HITACHI LTD2 citations63
US7437926B2Oct 21, 2008
Air flow rate measuring device
HITACHI LTD4 citations59
US6410978B1Jun 25, 2002
Semiconductor device
HITACHI LTD1 citations51