Inventor
HORI RYOICHI
JP88 patents
⚠️ This page may combine multiple inventors who share the name “HORI RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
44 patentsUS5614847AMar 25, 1997
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD140 citations99
US5208782AMay 4, 1993
Semiconductor integrated circuit device having a plurality of memory blocks and a lead on chip (LOC) arrangement
HITACHI LTD133 citations98
US5197033AMar 23, 1993
Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions
HITACHI LTD75 citations97
US6363029B1Mar 26, 2002
Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions
HITACHI LTD26 citations96
US5880604AMar 9, 1999
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD79 citations96
US5822267AOct 13, 1998
Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions
HITACHI LTD31 citations96
US5602771AFeb 11, 1997
Semiconductor memory device and defect remedying method thereof
HITACHI LTD43 citations96
US5579256ANov 26, 1996
Semiconductor memory device and defect remedying method thereof
HITACHI LTD45 citations96
US5386135AJan 31, 1995
Semiconductor CMOS memory device with separately biased wells
HITACHI LTD83 citations96
US5377156ADec 27, 1994
Semiconductor device incorporating main and stand-by boosted internal power supply for compensating for deviation on operating condition and fabrication process conditions
HITACHI LTD36 citations96
US5324982AJun 28, 1994
Semiconductor memory device having bipolar transistor and structure to avoid soft error
HITACHI LTD36 citations96
US5272393ADec 21, 1993
Voltage converter of semiconductor device
HITACHI LTD66 citations96
US5086238AFeb 4, 1992
Semiconductor supply incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions
HITACHI LTD57 citations96
US4894696AJan 16, 1990
Dynamic random access memory having a trench capacitor
HITACHI LTD65 citations96
US4691304ASep 1, 1987
Semiconductor device having an arrangement for preventing operational errors
HITACHI LTD56 citations96
US4086642AApr 25, 1978
Protective circuit and device for metal-oxide-semiconductor field effect transistor and method for fabricating the device
HITACHI LTD119 citations96
US5497023AMar 5, 1996
Semiconductor memory device having separately biased wells for isolation
HITACHI LTD67 citations95
US4730132AMar 8, 1988
Semiconductor device having bipolar transistor and insulated gate field effect transistor with two potential power source
HITACHI LTD55 citations95
US6404239B1Jun 11, 2002
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD23 citations93
US6125075ASep 26, 2000
Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions
HITACHI LTD21 citations93
US6107836AAug 22, 2000
Semiconductor integrated circuit device having power reduction mechanism
HITACHI LTD34 citations93
US5539692AJul 23, 1996
Semiconductor memory and method of setting type
HITACHI LTD31 citations93
US5528548AJun 18, 1996
Voltage converter of semiconductor device
HITACHI LTD42 citations93
US5402375AMar 28, 1995
Voltage converter arrangement for a semiconductor memory
HITACHI LTD31 citations93
US4930112AMay 29, 1990
Semiconductor device having a voltage limiter
HITACHI LTD43 citations93
US4873673AOct 10, 1989
Driver circuit having a current mirror circuit
HITACHI LTD33 citations93
US4796234AJan 3, 1989
Semiconductor memory having selectively activated blocks including CMOS sense amplifiers
HITACHI LTD48 citations93
US4739497AApr 19, 1988
Semiconductor memory
HITACHI LTD51 citations93
US4716313ADec 29, 1987
Pulse drive circuit
HITACHI LTD50 citations93
US4675845AJun 23, 1987
Semiconductor memory
HITACHI LTD26 citations93
US4590588AMay 20, 1986
Monolithic semiconductor memory
HITACHI LTD27 citations93
US4503522AMar 5, 1985
Dynamic type semiconductor monolithic memory
HITACHI LTD29 citations93
US4482985ANov 13, 1984
Semiconductor integrated circuit
HITACHI LTD51 citations93
US6515913B2Feb 4, 2003
Semiconductor memory device and defect remedying method thereof
HITACHI LTD22 citations92
US6335884B1Jan 1, 2002
Semiconductor memory device and defect remedying method thereof
HITACHI LTD22 citations92
US6212089B1Apr 3, 2001
Semiconductor memory device and defect remedying method thereof
HITACHI LTD18 citations92
US6208010B1Mar 27, 2001
Semiconductor memory device
HITACHI LTD25 citations92
US6160744ADec 12, 2000
Semiconductor memory device and defect remedying method thereof
HITACHI LTD18 citations92
US6049500AApr 11, 2000
Semiconductor memory device and defect remedying method thereof
HITACHI LTD28 citations92
US5148255ASep 15, 1992
Semiconductor memory device
HITACHI LTD45 citations92
US4837462AJun 6, 1989
Semiconductor decoder circuit having switching means for preventing counterflow
HITACHI LTD34 citations92
US4611299ASep 9, 1986
Monolithic storage device
HITACHI LTD37 citations91
US7499340B2Mar 3, 2009
Semiconductor memory device and defect remedying method thereof
HITACHI LTD8 citations84
US6657901B2Dec 2, 2003
Semiconductor device formed in a rectangle region on a semiconductor substrate including a voltage generating circuit
HITACHI LTD11 citations82
RENESAS TECH CORP
2 patentsHITACHI VLSI ENG
2 patentsKOBAYASHI YUTAKA
1 patentKAMIYAMA NAOHISA
1 patentShowing the top 50 of 88 patents by PatentIndex Score.