Inventor
YAZAWA YOSHIAKI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “YAZAWA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS5726488AMar 10, 1998
Semiconductor device having semiconductor elements formed in a retrograde well structure
HITACHI LTD134 citations99
US4819043AApr 4, 1989
MOSFET with reduced short channel effect
HITACHI LTD169 citations99
US6323415B1Nov 27, 2001
Light concentrator photovoltaic module method of manufacturing same and light concentrator photovoltaic system
HITACHI LTD182 citations98
US6294723B2Sep 25, 2001
Photovoltaic device, photovoltaic module and establishing method of photovoltaic system
HITACHI LTD156 citations98
US7888708B2Feb 15, 2011
Examination apparatus for biological sample and chemical sample
HITACHI LTD148 citations97
US8383396B2Feb 26, 2013
Apparatus and method for measuring biological material
HITACHI LTD48 citations93
US7163822B2Jan 16, 2007
Apparatus and method for luminometric assay
HITACHI LTD40 citations93
US7157050B2Jan 2, 2007
System and method for detecting biological and chemical material
HITACHI LTD27 citations93
US7355270B2Apr 8, 2008
Semiconductor chip with coil antenna and communication system
HITACHI LTD51 citations92
US4829479AMay 9, 1989
Memory device with improved common data line bias arrangement
HITACHI LTD27 citations92
US7250863B2Jul 31, 2007
Transponder and a sensing system using the transponder
HITACHI LTD10 citations83
US4963973AOct 16, 1990
Semiconductor device
HITACHI LTD17 citations82
US4665505AMay 12, 1987
Write circuit for use in semiconductor storage device
HITACHI LTD21 citations81
US5050127ASep 17, 1991
Memory device with improved common data line bias arrangement
HITACHI LTD11 citations74
US4924293AMay 8, 1990
Semiconductor integrated circuit device
HITACHI LTD14 citations74
US4748487AMay 31, 1988
Semiconductor memory device
HITACHI LTD8 citations74
US4682200AJul 21, 1987
Semiconductor memory device with matched equivalent series resistances to the complementary data lines
HITACHI LTD8 citations74
US6461947B1Oct 8, 2002
Photovoltaic device and making of the same
HITACHI LTD12 citations73
US5747864AMay 5, 1998
Light receiving element and a method of fabricating the same
HITACHI LTD10 citations73
US4578693AMar 25, 1986
Semiconductive photodetector device
HITACHI LTD12 citations73
US7276891B2Oct 2, 2007
Semiconductor integrated circuit device and a contactless electronic device
HITACHI LTD7 citations72
US4916500AApr 10, 1990
MOS field effect transistor device with buried channel
HITACHI LTD5 citations63
US7944338B2May 17, 2011
RFID tag, RFID reader/writer, RFID system, and processing method of RFID system
HITACHI LTD5 citations62
US7985384B2Jul 26, 2011
Analysis kit for living organism and chemical reaction
HITACHI LTD1 citations52