Inventor
YAMAUCHI TATSUMI
JP73 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI TATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
31 patentsUS6538866B1Mar 25, 2003
Circuit for protecting a load from an overvoltage
HITACHI LTD47 citations93
US6029220AFeb 22, 2000
Pipelined semiconductor devices suitable for ultra large scale integration
HITACHI LTD43 citations93
US5841300ANov 24, 1998
Semiconductor integrated circuit apparatus
HITACHI LTD27 citations93
US5657264AAug 12, 1997
Semiconductor memory
HITACHI LTD18 citations93
US5398318AMar 14, 1995
High speed, low noise output buffer with non-identical pairs of output transistors
HITACHI LTD26 citations93
US5153452AOct 6, 1992
Bipolar-MOS IC with internal voltage generator and LSI device with internal voltage generator
HITACHI LTD33 citations93
US7692935B2Apr 6, 2010
Bi-directional DC-DC converter and control method
HITACHI LTD22 citations92
US6657459B2Dec 2, 2003
Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them
HITACHI LTD33 citations92
US5787043AJul 28, 1998
Semiconductor memory device having a redundancy capability
HITACHI LTD24 citations92
US5684729ANov 4, 1997
Floating-point addition/substraction processing apparatus and method thereof
HITACHI LTD28 citations92
US5677641AOct 14, 1997
Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them
HITACHI LTD34 citations92
US4678943AJul 7, 1987
Inverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced dissipation
HITACHI LTD51 citations92
US6713975B2Mar 30, 2004
Lighting apparatus, lighting control system and home electric appliance
HITACHI LTD26 citations89
US9404975B2Aug 2, 2016
Battery monitoring system
HITACHI LTD11 citations84
US7936573B2May 3, 2011
Bi-directional DC-DC converter and control method
HITACHI LTD13 citations84
US7208918B2Apr 24, 2007
Vehicle rotating electric machine
HITACHI LTD19 citations84
US6282136B1Aug 28, 2001
Semiconductor memory devices and sensors using the same
HITACHI LTD15 citations84
US7453240B2Nov 18, 2008
Generating apparatus and motor control apparatus
HITACHI LTD12 citations83
US5931895AAug 3, 1999
Floating-point arithmetic processing apparatus
HITACHI LTD19 citations83
US5680066AOct 21, 1997
Signal transition detector circuit
HITACHI LTD15 citations82
US5285414AFeb 8, 1994
Semiconductor memory having transistors which drive data lines in accordance with values of write data and column select signal
HITACHI LTD18 citations82
US6467004B1Oct 15, 2002
Pipelined semiconductor devices suitable for ultra large scale integration
HITACHI LTD5 citations74
US5903503AMay 11, 1999
Semiconductor integrated circuit device
HITACHI LTD8 citations74
US5742550AApr 21, 1998
Semiconductor integrated circuit device
HITACHI LTD7 citations74
US5654931AAug 5, 1997
High-speed semiconductor memory device and data processing system using the same
HITACHI LTD9 citations74
US5619151AApr 8, 1997
Semiconductor device
HITACHI LTD14 citations74
US5612640AMar 18, 1997
Self-timed semiconductor integrated circuit device
HITACHI LTD6 citations74
US5387827AFeb 7, 1995
Semiconductor integrated circuit having logic gates
HITACHI LTD13 citations74
US5345421ASep 6, 1994
High speed, low noise semiconductor storage device
HITACHI LTD9 citations74
US10202041B2Feb 12, 2019
Battery monitoring system
HITACHI LTD3 citations73
US6462580B2Oct 8, 2002
Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them
HITACHI LTD7 citations73
KUDO AKIHIKO
4 patentsUS8723527B2May 13, 2014
Battery monitoring system
KUDO AKIHIKO43 citations97
US9746525B2Aug 29, 2017
Battery system monitoring device
KUDO AKIHIKO16 citations84
US8829717B2Sep 9, 2014
Battery control device and battery system
KUDO AKIHIKO16 citations84
US8487590B2Jul 16, 2013
Cell controller having a unit cell voltage detecting section
KUDO AKIHIKO5 citations72
EMORI AKIHIKO
3 patentsHITACHI APPLIANCES INC
2 patentsYAMAUCHI TATSUMI
2 patentsNAGAOKA MASAKI
2 patentsHITACHI AUTOMOTIVE SYSTEMS LTD
2 patentsSAKABE KEI
1 patentKAWAHARA YOUHEI
1 patentNODA MITSUO
1 patentHITACHI ASTEMO LTD
1 patentShowing the top 50 of 73 patents by PatentIndex Score.