Inventor
YOSHIZAWA HIROYASU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIZAWA HIROYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS7082004B2Jul 25, 2006
Disk storage systems
HITACHI LTD20 citations90
US7692456B2Apr 6, 2010
Semiconductor integrated circuit capable of directly coupling low-voltage signals with high-voltage signals
HITACHI LTD10 citations82
US7239467B2Jul 3, 2007
Storage media reading writing system
HITACHI LTD8 citations72
US6762896B2Jul 13, 2004
Storage media reading writing system
HITACHI LTD11 citations72
US9859885B2Jan 2, 2018
Electronic circuit and semiconductor device
HITACHI LTD2 citations71
US9337823B2May 10, 2016
Switching circuit and semiconductor integrated circuit device
HITACHI LTD2 citations61
US7372330B2May 13, 2008
Variable gain amplifier
HITACHI LTD5 citations61
US6867936B2Mar 15, 2005
Driving circuit for a magnetic head and magnetic recording apparatus
HITACHI LTD2 citations60
US7973573B2Jul 5, 2011
Semiconductor integrated circuit device
HITACHI LTD1 citations51
US9455711B2Sep 27, 2016
Semiconductor integrated circuit device
HITACHI LTD1 citations48
US9331675B2May 3, 2016
Transmission drive circuit and semiconductor integrated circuit device
HITACHI LTD0 citations37
TOSHIBA KK
8 patentsUS5482790AJan 9, 1996
Fuel cell power generation system
TOSHIBA KK69 citations96
US5542832AAug 6, 1996
Rotary fluid compressor having an oldham mechanism
TOSHIBA KK27 citations92
US5434015AJul 18, 1995
Fuel cell power generation system
TOSHIBA KK36 citations92
US4942099AJul 17, 1990
Fuel cell
TOSHIBA KK45 citations90
US6169777B1Jan 2, 2001
Fuel transport container and method of transporting a fuel assembly
TOSHIBA KK13 citations72
US6134290AOct 17, 2000
Fuel assembly transport container and method of transporting a fuel assembly
TOSHIBA KK11 citations72
US6108392AAug 22, 2000
Fuel assembly transport container and method of transporting a fuel assembly
TOSHIBA KK13 citations72
US6128360AOct 3, 2000
Fuel protective apparatus, fuel transport container and method of transporting a fuel assembly
TOSHIBA KK6 citations61