Inventor

Toshimitsu Watanabe

Inventor

Yokohama, JP

Overview

57→

Patents

1989–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 57 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television26%

G09GArrangements or circuits for control of indicating devices using static means to present variable information13%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%

LOC169%

F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere5%

H01JElectric discharge tubes or discharge lamps3%

Y10TTechnical subjects covered by former us classification3%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%

G02BOptical elements, systems or apparatus2%

G08BSignalling systems, e.g. personal calling systems2%

PatentTitleYear

10,907,268Method for producing multi-layer bus bar unit2021 10,852,538Head-up display2020 10,394,109Projector suspension device2019 10,018,897Projector suspension device2018 9,769,448'Video signal transmitting apparatus and video signal receiving apparatus'2017 9,721,773'Mass spectrometric device and mass spectrometric device control method'2017 9,713,241'Reactive-species supply device and surface treatment apparatus'2017 9,618,832'Projector suspension device'2017 9,452,481'Reactive-species supply device and surface treatment apparatus'2016 9,400,417'Projector suspension device'2016 9,336,743'Video signal transmitting apparatus and video signal receiving apparatus'2016 9,090,062'Circuit board and method of manufacturing inkjet head'2015 9,075,294'Projector with a lens cover that is smaller in the open state than in the closed state'2015 8,469,521'Projector'2013 8,454,174'Projector suspension device including a suspension position adjustment mechanism'2013 8,317,337'Projector'2012 8,305,209'Alarm device'2012 8,269,642'Alarm system and alarm device'2012 8,229,284'Video signal transmitting apparatus and video signal receiving apparatus'2012 D0663348'Projector'2012 D0661332'Projector'2012 8,064,748'Video signal transmitting apparatus and video signal receiving apparatus'2011 D0624949'Support for projector'2010 D0623678'Projector'2010 7,722,195'Projector with a detachably attaching lamp cover'2010 D0597581'Projector'2009 D0595756'Projector'2009 D0595329'Projector'2009 7,386,216'Video signal transmitting apparatus for transmitting different type video signals depending on capability of video signal receiving apparatus'2008 7,358,934'Field emission display apparatus with improved white balance'2008 7,355,336'Image display device'2008 7,295,174'Display unit'2007 7,239,308'Image display apparatus'2007 7,227,520'Display device having luminance correcting function'2007 7,176,876'Display apparatus'2007 D0522561'Projector'2006 7,034,900'Color display device and method utilizing convergence correction'2006 6,798,460'High definition display unit and high definition display method'2004 6,771,324'Display and apparatus'2004 6,563,546'High definition display unit and high definition display method'2003 6,546,598'Vehicle luggage compartment structure'2003 6,529,245'Display device also compatible with digital broadcasts'2003 6,505,874'Luggage compartment for vehicle'2003 6,433,832'Image display apparatus and personal computer for displaying personal computer signals and broadcast signals'2002 6,415,478'Assist grip attachment structure method'2002 6,388,713'Image display apparatus, and method to prevent or limit user adjustment of displayed image quality'2002 6,288,748'Display device also compatible with digital broadcasts'2001 6,268,887'Image display apparatus and personal computer for displaying personal computer signals and broadcast signals'2001 6,060,845'Raster distortion correction and deflection circuit arrangement'2000 5,956,099'Dynamic focus circuit and display using the same'1999 5,886,482'Display device with dynamic focus circuit'1999 5,808,704'Rear projection type image display apparatus'1998 5,555,034'Projection display apparatus'1996 5,526,058'Video signal adjusting apparatus, display using the apparatus, and method of adjusting the display'1996 5,493,342'White balance correction circuit'1996 5,025,924'Container'1991 4,810,939'Top and bottom pincushion distortions correcting circuits to be used for picture tube having aspherical face plate'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2012Patents assigned to HITACHI LTD (24)· patent assignee history

1989–2015Based in Yokohama, JP· patent location history

1991–2021Based in Tokyo, JP· patent location history

1999–2004Patents assigned to HITACHI VIDEO & INF SYST (9)· patent assignee history

2002–2003Based in Kariya, JP· patent location history

2006–2019Patents assigned to SEIKO EPSON CORP (17)· patent assignee history

2008–2017Based in Yokosuka, JP· patent location history

2009–2019Based in Matsumoto, JP· patent location history

2011–2017Patents assigned to WATANABE TOSHIMITSU (14)· patent assignee history

2011–2016Patents assigned to OWASHI HITOAKI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	24	1989–2012
SEIKO EPSON CORP	17	2006–2019
WATANABE TOSHIMITSUself	14	2011–2017
HITACHI VIDEO & INF SYST	9	1999–2004
OWASHI HITOAKI	3	2011–2016

Locations

Location	Patents	Span
Yokohama, JP	22	1989–2015
Matsumoto, JP	16	2009–2019
Tokyo, JP	6	1991–2021
Yokosuka, JP	5	2008–2017
Kariya, JP	3	2002–2003