Inventor
HASEGAWA ATSUSHI
JP157 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
20 patentsUS5930523AJul 27, 1999
Microcomputer having multiple bus structure coupling CPU to other processing elements
HITACHI LTD93 citations99
US6801194B2Oct 5, 2004
Active matrix display device
HITACHI LTD55 citations96
US6748507B2Jun 8, 2004
Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memory
HITACHI LTD46 citations96
US6629207B1Sep 30, 2003
Method for loading instructions or data into a locked way of a cache memory
HITACHI LTD58 citations96
US6279063B1Aug 21, 2001
Microcomputer system with at least first and second microcomputers each operable in master and slave modes with configurable bus access control terminals and bus use priority controller
HITACHI LTD32 citations96
US6223265B1Apr 24, 2001
Single-chip microcomputer synchronously controlling external synchronous memory responsive to memory clock signal and clock enable signal
HITACHI LTD31 citations96
US6701405B1Mar 2, 2004
DMA handshake protocol
HITACHI LTD70 citations94
US4894768AJan 16, 1990
Data processing system with coprocessor
HITACHI LTD56 citations94
US6744479B2Jun 1, 2004
Active matrix display device
HITACHI LTD27 citations93
US6600797B1Jul 29, 2003
Phase frequency synchronism circuit and optical receiver
HITACHI LTD21 citations93
US4912635AMar 27, 1990
System for reexecuting branch instruction without fetching by storing target instruction control information
HITACHI LTD30 citations93
US7397472B2Jul 8, 2008
Active matrix display device
HITACHI LTD13 citations92
US7003686B2Feb 21, 2006
Interface circuit
HITACHI LTD41 citations92
US6891588B2May 10, 2005
Liquid crystal display device
HITACHI LTD35 citations92
US6591294B2Jul 8, 2003
Processing system with microcomputers each operable in master and slave modes using configurable bus access control terminals and bus use priority signals
HITACHI LTD16 citations92
US6212620B1Apr 3, 2001
Single-chip microcomputer operable in master and slave modes and having configurable bus control terminals
HITACHI LTD15 citations92
US5280511AJan 18, 1994
Output circuit for a CCD with cascode depletion MOSFET loads and a feedback capacitor
HITACHI LTD24 citations92
US5193159AMar 9, 1993
Microprocessor system
HITACHI LTD44 citations92
US4994902AFeb 19, 1991
Semiconductor devices and electronic system incorporating them
HITACHI LTD45 citations91
US4989140AJan 29, 1991
Single chip pipeline data processor using instruction and operand cache memories for parallel operation of instruction control and executions unit
HITACHI LTD21 citations82
NEC CORP
7 patentsUS6133770AOct 17, 2000
Phase locked loop circuit
NEC CORP55 citations96
US6420914B1Jul 16, 2002
Charge pump circuit having switching circuits for reducing leakage currents
NEC CORP45 citations93
US6215880B1Apr 10, 2001
Two-wire conference apparatus with echo canceler without training
NEC CORP24 citations93
US6035312AMar 7, 2000
Adaptive filter
NEC CORP42 citations93
US5563944AOct 8, 1996
Echo canceller with adaptive suppression of residual echo level
NEC CORP34 citations93
US5434916AJul 18, 1995
Voice activity detector for controlling echo canceller
NEC CORP34 citations93
US5905717AMay 18, 1999
Echo canceller for a packet signal
NEC CORP17 citations84
HITACHI DISPLAYS LTD
6 patentsUS7538845B2May 26, 2009
Liquid crystal display device having particular electrodes in transmission region and in reflection region
HITACHI DISPLAYS LTD16 citations93
US8377765B2Feb 19, 2013
Manufacturing method of liquid crystal display device
HITACHI DISPLAYS LTD10 citations92
US7968357B2Jun 28, 2011
Manufacturing method of liquid crystal display device
HITACHI DISPLAYS LTD12 citations92
US7742113B2Jun 22, 2010
Liquid crystal display device
HITACHI DISPLAYS LTD12 citations92
US7768614B2Aug 3, 2010
Liquid crystal display device having particular electrodes in transmission region and in reflection region
HITACHI DISPLAYS LTD10 citations84
US7746313B2Jun 29, 2010
Display device employing a time-division-multiplexed driver
HITACHI DISPLAYS LTD8 citations84
JAPAN DISPLAY INC
5 patentsUS9025103B2May 5, 2015
Manufacturing method for liquid crystal display device
JAPAN DISPLAY INC10 citations92
US8735901B2May 27, 2014
Manufacturing method for liquid crystal display device
JAPAN DISPLAY INC10 citations92
US9892704B2Feb 13, 2018
Active matrix display device
JAPAN DISPLAY INC3 citations84
US9460679B2Oct 4, 2016
Active matrix display device
JAPAN DISPLAY INC3 citations84
US9208743B2Dec 8, 2015
Active matrix display device
JAPAN DISPLAY INC6 citations84
HITACHI DEVICE ENG
2 patentsMIYAZAWA TOSHIO
2 patentsSGS THOMSON MICROELECTRONICS
2 patentsDAIICHI SEIYAKU CO
1 patentNEC ELECTRONICS CORP
1 patentHITACHI MICROCUMPUTER ENG
1 patentTANABE HIDEO
1 patentST MICROELECTRONICS LTD
1 patentRENESAS TECHNOLOGY CORPOARTION
1 patentShowing the top 50 of 157 patents by PatentIndex Score.