Inventor

Yasushi Takahashi

Inventor

Tokyo, JP

Overview

1985–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 161 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Wprimary

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%

G11CStatic stores9%

H01JElectric discharge tubes or discharge lamps7%

H04NPictorial communication, e.g. television5%

LOC235%

B82YSpecific uses or applications of nanostructures5%

H10DInorganic electric semiconductor devices4%

H05KPrinted circuits4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

G06FElectric digital data processing3%

PatentTitleYear

D0903821Faucet2020 D0903820Faucet handle2020 D0900970Faucet2020 D0900969Faucet2020 D0900971Faucet2020 D0896924Faucet2020 D0889609Faucet2020 10,661,850Front structure of saddled vehicle2020 D0884607Battery charger2020 D0884606Battery charger2020 10,504,869Semiconductor device2019 D0846494Storage battery2019 10,128,517Fuel cell system2018 D0823136Watchcase2018 9,810,969'Lens driving apparatus'2017 9,800,858'Stereo camera unit'2017 D0793880'Wrist watch'2017 D0754549'Wrist watch case'2016 9,218,871'Semiconductor memory device, information processing system including the same, and controller'2015 9,177,833'Semiconductor device and method of manufacturing the same'2015 9,097,847'Raman scattering photoenhancement device, method for manufacturing Raman scattering photoenhancement device, and Raman laser light source using Raman scattering photoenhancement device'2015 9,029,995'Semiconductor device and method of manufacturing the same'2015 D0726554'Wrist watch case'2015 D0721002'Wrist watch case'2015 8,816,411'Mosfet package'2014 8,662,689'Pointer-type meter'2014 8,654,557'Semiconductor memory device, information processing system including the same, and controller'2014 8,605,518'Semiconductor memory device, information processing system including the same, and controller'2013 8,455,986'Mosfet package'2013 8,362,614'Fine pitch grid array type semiconductor device'2013 8,274,844'Semiconductor memory device, information processing system including the same, and controller'2012 8,244,027'Vehicle environment recognition system'2012 8,183,607'Semiconductor device'2012 8,175,334'Vehicle environment recognition apparatus and preceding-vehicle follow-up control system'2012 8,068,379'Dynamic RAM'2011 7,985,991'MOSFET package'2011 D0639399'Water closet'2011 7,904,813'Method for editing video information and editing device'2011 7,853,122'Device for reproducing content such as video information and device for receiving content'2010 7,844,941'Charged particle beam exposure method and charged particle beam exposure device'2010 7,812,464'Semiconductor device and a method of manufacturing for high output MOSFET'2010 D0622367'Lid of water closet'2010 D0622368'Lid of water closet'2010 D0622369'Lid of water closet'2010 7,773,305'Wide-angle lens and image capturing apparatus'2010 D0620566'Water closet'2010 7,717,002'Exhaust gas dilution device'2010 7,703,831'Windshield unit for saddle-ride type vehicle'2010 7,629,672'Semiconductor devices and manufacturing method thereof'2009 7,627,823'Video information editing method and editing device'2009 7,582,884'Charged particle beam exposure method and charged particle beam exposure device'2009 D0598991'Lavatory'2009 7,439,605'Semiconductor device and method for manufacturing the same'2008 7,412,648'Keyword creation method and its apparatus'2008 7,400,002'MOSFET package'2008 7,394,146'MOSFET package'2008 7,385,279'Semiconductor device and a method of manufacturing the same'2008 7,377,350'Disposition structure of heat exchanger in motorcycle'2008 7,373,589'Keyword creation method and its apparatus'2008 7,343,616'Information retrieval method and apparatus'2008 7,342,267'MOSFET package'2008 7,332,757'MOSFET package'2008 7,227,251'Semiconductor device and a memory system including a plurality of IC chips in a common package'2007 7,185,283'Screen control method'2007 7,165,516'Cooling unit for air-cooled internal combustion engine'2007 7,160,760'Semiconductor device and a method of manufacturing the same'2007 D0533305'Hand dryer'2006 7,122,883'Stacked semiconductor device including improved lead frame arrangement'2006 7,117,518'Information retrieval method and apparatus'2006 7,080,395'Information processor, information processing method as well as broadcasting system and broadcasting method'2006 7,012,321'Stacked semiconductor device including improved lead frame arrangement'2006 6,999,896'Identical object determination method and apparatus and displacement correction method and apparatus'2006 6,975,026'Package for mounting semiconductor device'2005 D0508116'Water closet'2005 6,914,898'IP COMMUNICATION NETWORK SYSTEM HAVING A GATEWAY FUNCTION WITH COMMUNICATION PROTOCOL CONVERSION BETWEEN A SWITCHED CIRCUIT NETWORK AND A PACKET SWITCHED NETWORK INCLUDING DATA OVER TCP/IP AND VOICE/FAX OVER RTP'2005 6,885,092'Semiconductor device and a memory system including a plurality of IC chips in a common package'2005 6,838,185'Adhesive used for polarizing plate and optical member'2005 D0500126'Pedestal sink'2004 6,812,554'Semiconductor device and a method of manufacturing the same'2004 6,774,466'Semiconductor device'2004 6,747,720'Polarizing plate with optical compensation film and liquid crystal display'2004 6,695,394'Rear vehicle body structure for pickup trucks'2004 6,697,132'Optical member and liquid crystal display device'2004 6,648,400'Rear vehicle body structure for pickup trucks'2003 6,573,119'Semiconductor device and method of manufacture thereof'2003 6,569,764'Method of manufacturing a semiconductor package by attaching a lead frame to a semiconductor chip via projecting electrodes and an insulating sheet of resin material'2003 6,566,760'Semiconductor storage device having memory chips in a stacked structure'2003 6,561,160'Rotary-body type throttle valve for spark ignition internal combustion engine'2003 6,555,918'Stacked semiconductor device including improved lead frame arrangement'2003 6,496,403'Semiconductor memory device'2002 6,479,327'Semiconductor device and method for manufacturing the same'2002 6,479,888'Semiconductor device and a method of manufacturing the same'2002 6,430,560'Keyword creation method and its apparatus'2002 6,426,560'Semiconductor device and memory module'2002 6,400,019'Semiconductor device with wiring substrate'2002 6,383,845'Stacked semiconductor device including improved lead frame arrangement'2002 6,344,880'Information display method'2002 6,307,272'Semiconductor device and method for manufacturing the same'2001 6,301,982'Variable mechanism for mounting angle housed gyro-sensor and method of mounting variable mechanism for mounting angle'2001 6,278,493'Information processor, information processing method as well as broadcasting system and broadcasting method'2001 6,260,659'Silencer for internal combustion engine'2001 6,252,299'Stacked semiconductor device including improved lead frame arrangement'2001 6,213,104'Method and a device for supplying fuel to an internal combustion engine'2001 6,169,698'Voltage generating circuit for semiconductor memory sense amplifier'2001 6,108,264'Dynamic type semiconductor memory device'2000 6,097,648'Semiconductor memory device having plurality of equalizer control line drivers'2000 6,049,499'Shared electrical supply line for a semiconductor storage device'2000 6,038,158'Semiconductor memory'2000 6,031,779'Dynamic memory'2000 6,002,162'Overall VPP well form'1999 5,970,010'Semiconductor memory device'1999 5,970,486'Keyword creation method and its apparatus'1999 5,862,095'Semiconductor memory having both a refresh operation cycle and a normal operation cycle and employing an address non-multiplex system'1999 5,841,145'Method of and system for exposing pattern on object by charged particle beam'1998 5,805,513'Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor'1998 5,719,815'Semiconductor memory having a refresh operation cycle and operating at a high speed and reduced power consumption in a normal operation cycle'1998 5,508,835'Master clock distributing method and apparatus using same'1996 5,483,370'Crossconnect apparatus for a coherent transmission system'1996 5,475,692'Semiconductor memory device'1995 5,430,304'Blanking aperture array type charged particle beam exposure'1995 5,426,613'Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor'1995 5,420,433'Charged particle beam exposure apparatus'1995 5,401,974'Charged particle beam exposure apparatus and method of cleaning the same'1995 5,376,898'Semiconductor integrated circuit device'1994 5,376,802'Stencil mask and charge particle beam exposure method and apparatus using the stencil mask'1994 5,367,492'Semiconductor memory device providing reduced test time'1994 5,349,653'Apparatus for converting parallel bits of an electrical data signal into serial bits of an optical data signal utilizing an optical time delay'1994 5,288,567'Stencil mask and charged particle beam exposure method and apparatus using the stencil mask'1994 5,287,000'Resin-encapsulated semiconductor memory device useful for single in-line packages'1994 5,278,419'Electron beam exposure process for writing a pattern on an object by an electron beam with a compensation of the proximity effect'1994 5,262,341'Blanking aperture array and charged particle beam exposure method'1993 5,260,579'Charged particle beam exposure system and charged particle beam exposure method'1993 5,223,719'Mask for use in a charged particle beam apparatus including beam passing sections'1993 5,217,917'Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor'1993 5,215,623'Blanking aperture array and method of producing same'1993 5,208,782'Semiconductor integrated circuit device having a plurality of memory blocks and a lead on chip (LOC) arrangement'1993 5,197,097'Cell signal processing circuit and optical switch apparatus using the same'1993 5,194,741'Method for writing a pattern on an object by a focused electron beam with an improved efficiency'1993 5,151,772'Semiconductor integrated circuit device'1992 5,144,142'Blanking aperture array, method for producing blanking aperture array, charged particle beam exposure apparatus and charged particle beam exposure method'1992 5,121,381'Optical switching apparatus for digital signal cross connection and method of interswitch optical transmission of digital signals'1992 5,104,772'Method of forming fine resist pattern in electron beam or X-ray lithography'1992 5,087,983'Light scanning device'1992 5,082,762'Charged particle beam exposure method'1992 5,066,908'Method for electrically detecting positional deviation of contact hole in semiconductor device'1991 5,042,027'Communication network system and method of controlling a communication network'1991 5,004,925'Method and apparatus for detecting alignment mark of semiconductor device'1991 4,991,139'Semiconductor memory device'1991 4,980,567'Charged particle beam exposure system using line beams'1990 4,950,910'Electron beam exposure method and apparatus'1990 4,944,266'Direct-injection diesel engine'1990 4,934,820'Semiconductor device'1990 4,918,657'Semiconductor memory device provided with an improved precharge and enable control circuit'1990 4,846,539'F.theta. lens system for use in light scanning device'1989 4,833,226'Hardener for curable one-package epoxy resin system'1989 4,818,995'Parallel transmission system'1989 4,780,742'Image quality improving process and apparatus and sheet usable therewith'1988 4,746,810'Pulse generating circuit'1988 4,604,745'Method of searching fault locations in digital transmission line'1986 4,504,943'Time domain multiplexer'1985 4,503,546'Pulse signal transmission system'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2011Patents assigned to HITACHI LTD (43)· patent assignee history

1988–2020Based in Tokyo, JP· patent location history

1988–2010Based in Kawasaki, JP· patent location history

1990–1998Patents assigned to FUJITSU LTD (18)· patent assignee history

1999–2011Patents assigned to SONY CORP (13)· patent assignee history

1999–2011Based in Urawa, JP· patent location history

1999–2011Based in Chiba, JP· patent location history

2001–2014Based in Takasaki, JP· patent location history

2002–2013Patents assigned to HITACHI TOBU SEMICONDUCTOR LTD (10)· patent assignee history

2004–2020Patents assigned to TOTO LTD (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	43	1985–2011
FUJITSU LTD	18	1990–1998
TOTO LTD	16	2004–2020
SONY CORP	13	1999–2011
HITACHI TOBU SEMICONDUCTOR LTD	10	2002–2013

Locations

Location	Patents	Span
Tokyo, JP	21	1988–2020
Kawasaki, JP	21	1988–2010
Takasaki, JP	16	2001–2014
Urawa, JP	14	1999–2011
Chiba, JP	13	1999–2011