P

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 patents
US6538866B1Mar 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 patents

EMORI AKIHIKO

3 patents

HITACHI APPLIANCES INC

2 patents

YAMAUCHI TATSUMI

2 patents

NAGAOKA MASAKI

2 patents

HITACHI AUTOMOTIVE SYSTEMS LTD

2 patents

SAKABE KEI

1 patent

KAWAHARA YOUHEI

1 patent

NODA MITSUO

1 patent

HITACHI ASTEMO LTD

1 patent

Showing the top 50 of 73 patents by PatentIndex Score.