Inventor

Mikio Shiraishi

Inventor

Yokohama, JP

Overview

62→

Patents

1988–2020

Patent span

Physics

Primary field (CPC G)

Patents· 62 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them23%

H04NPictorial communication, e.g. television23%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%

G06FElectric digital data processing13%

B41JTypewriters6%

G02BOptical elements, systems or apparatus4%

G11BInformation storage based on relative movement between record carrier and transducer4%

H03KPulse technique2%

H04LTransmission of digital information, e.g. telegraphic communication2%

G03GElectrography1%

PatentTitleYear

10,554,452Electronic device and method of receiving data2020 9,071,258'Parallel-serial converter circuit'2015 8,807,819'Illumination unit and display apparatus using the same'2014 8,690,407'Illumination unit and display apparatus using the same'2014 8,657,477'Illumination unit and display apparatus using the same'2014 7,876,553'Flat-panel display apparatus'2011 7,832,871'Optical equipment with at least first and second ventilation paths'2010 D0600661'Television receiver'2009 7,519,746'Elastic buffer'2009 7,441,904'Projection type display apparatus with ventilation'2008 7,359,474'Clock recovery circuit and clock-recovering filter circuit'2008 7,341,354'Display device and display optical system unit'2008 7,293,878'Projector having an image display element'2007 7,232,225'Projection type display device'2007 7,175,284'Projection type display apparatus'2007 7,140,732'Projection type image display device'2006 7,128,422'Display device and display optical system unit'2006 7,040,763'Image display device'2006 7,029,132'Projection type image display with adjustable lens holding structure'2006 7,021,768'Optical apparatus'2006 7,014,320'Projection type display device'2006 6,993,545'Digital filter with protection against overflow oscillation'2006 6,935,750'Display device and display optical system unit'2005 6,908,198'Image display mechanism and image display device'2005 6,857,749'Projection type display apparatus'2005 6,829,031'Liquid crystal display apparatus and optical device for use therein'2004 6,817,720'Image display mechanism and image display device'2004 6,796,660'Display optical unit and display apparatus using this unit'2004 6,779,894'Display device and display optical system unit'2004 6,682,197'Image display mechanism and image display device'2004 6,595,645'Display optical unit and display apparatus using this unit'2003 6,588,910'Image display mechanism and image display device'2003 6,582,083'Display device and display optical system unit'2003 6,535,267'Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium'2003 6,431,710'Optical apparatus'2002 6,394,608'Display device and display optical system unit'2002 6,377,077'Clock supply circuit and data transfer circuit'2002 6,334,686'Display optical unit and display apparatus'2002 6,280,038'Optical equipment'2001 6,256,083'Liquid crystal display apparatus and optical device for use therein'2001 6,231,191'Image display mechanism and image display device'2001 6,181,664'Disk cartridge and disk device using the same'2001 6,108,299'Disk cartridge and disk device using the same'2000 6,075,763'Disk cartridge and disk device using the same'2000 5,991,260'Disk cartridge and disk device using the same'1999 5,991,872'Processor'1999 5,978,925'System for improving processing efficiency in a pipeline by delaying a clock signal to a program counter and an instruction memory behind a system clock'1999 5,957,996'Digital data comparator and microprocessor'1999 5,944,771'Arithmetic operation system for binary addition/subtraction'1999 5,909,386'Digital adder'1999 5,905,662'Digital processing system for binary addition/subtraction'1999 5,805,312'Thermographical image copier system with real time copying and variable read and record speeds'1998 5,521,856'Multiplier capable of calculating double precision, single precision, inner product and multiplying complex'1996 5,412,588'Digital sine-wave generating circuit'1995 5,381,374'Memory cell data output circuit having improved access time'1995 5,352,049'Means for holding thermal transfer printing ink-sheet in cartridge'1994 4,970,531'Thermal transfer printer'1990 4,901,090'Inked sheet cassette and thermal transfer-type recording apparatus'1990 4,879,677'Parallel adder circuit with sign bit decoder for multiplier'1989 4,844,770'Thermal-transfer recording apparatus'1989 4,813,008'Multiplier circuit suitable for obtaining a negative product of a multiplier and a multiplicand'1989 4,794,404'Thermal transfer printer'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2011Patents assigned to HITACHI LTD (42)· patent assignee history

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

1989–2015Patents assigned to TOSHIBA KK (16)· patent assignee history

1999Based in Kanagawa, JP· patent location history

2007Based in Tokyo, JP· patent location history

2014Patents assigned to HITACHI CONSUMER ELECTRONICS (3)· patent assignee history

2014Patents assigned to NAKAMURA REIJI (3)· patent assignee history

2014Patents assigned to OHARA YASUAKI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	42	1988–2011
TOSHIBA KK	16	1989–2015
HITACHI CONSUMER ELECTRONICS	3	2014
NAKAMURA REIJI	3	2014
OHARA YASUAKI	3	2014

Locations

Location	Patents	Span
Yokohama, JP	60	1988–2020
Tokyo, JP	1	2007
Kanagawa, JP	1	1999