Inventor
TACHIBANA SUGURU
JP39 patents
⚠️ This page may combine multiple inventors who share the name “TACHIBANA SUGURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
13 patentsUS7414453B2Aug 19, 2008
Level conversion circuit
FUJITSU LTD19 citations93
US7176740B2Feb 13, 2007
Level conversion circuit
FUJITSU LTD28 citations93
US7342390B2Mar 11, 2008
Reference voltage generation circuit
FUJITSU LTD42 citations92
US7236047B2Jun 26, 2007
Band gap circuit
FUJITSU LTD26 citations92
US7233273B2Jun 19, 2007
Analog-to-digital converter
FUJITSU LTD30 citations92
US7199745B2Apr 3, 2007
Successive approximation A/D converter provided with a sample-hold amplifier
FUJITSU LTD31 citations92
US7034514B2Apr 25, 2006
Semiconductor integrated circuit using band-gap reference circuit
FUJITSU LTD41 citations92
US6714151B2Mar 30, 2004
A/D converter
FUJITSU LTD25 citations92
US7068116B2Jun 27, 2006
Oscillation circuit and semiconductor device free from the influence of source voltage, temperature and fluctuations in the inverter threshold voltage
FUJITSU LTD15 citations84
US6867723B1Mar 15, 2005
AD converter with reduced current consumption
FUJITSU LTD18 citations84
US7042299B2May 9, 2006
Crystal oscillation circuit
FUJITSU LTD16 citations82
US6842063B2Jan 11, 2005
Analog switch circuit
FUJITSU LTD5 citations63
US7196379B2Mar 27, 2007
MOS capacitor device
FUJITSU LTD6 citations61
HITACHI LTD
12 patentsUS4928265AMay 22, 1990
Semiconductor integrated circuit
HITACHI LTD164 citations99
US5943284AAug 24, 1999
Semiconductor memory device
HITACHI LTD50 citations96
US5907867AMay 25, 1999
Translation lookaside buffer supporting multiple page sizes
HITACHI LTD59 citations95
US6525985B2Feb 25, 2003
Semiconductor memory device
HITACHI LTD14 citations93
US6473333B1Oct 29, 2002
Storage circuit with layered structure element
HITACHI LTD20 citations93
US6353569B1Mar 5, 2002
Semiconductor memory device
HITACHI LTD18 citations93
US5253197AOct 12, 1993
Semiconductor associative memory device with current sensing
HITACHI LTD24 citations93
US5218567AJun 8, 1993
Match detection circuit for cache memory apparatus
HITACHI LTD13 citations74
US5107141AApr 21, 1992
BiCMOS logic circuit using 0.5 micron technology and having an operating potential difference of less than 4 volts
HITACHI LTD7 citations74
US6342710B1Jan 29, 2002
Semiconductor integrated circuit
HITACHI LTD5 citations73
US6121646ASep 19, 2000
Semiconductor integrated circuit
HITACHI LTD8 citations73
US6940739B2Sep 6, 2005
Semiconductor memory device
HITACHI LTD3 citations63
FUJITSU SEMICONDUCTOR LTD
5 patentsUS7928871B2Apr 19, 2011
Successive approximation A/D converter
FUJITSU SEMICONDUCTOR LTD25 citations92
US8368577B2Feb 5, 2013
A/D converter
FUJITSU SEMICONDUCTOR LTD15 citations84
US7952509B2May 31, 2011
Successive approximation A/D converter
FUJITSU SEMICONDUCTOR LTD14 citations84
US7948304B2May 24, 2011
Constant-voltage generating circuit and regulator circuit
FUJITSU SEMICONDUCTOR LTD12 citations84
US8922289B2Dec 30, 2014
Oscillation circuit
FUJITSU SEMICONDUCTOR LTD6 citations83