loadpatents
name:-0.086958885192871
name:-0.090433120727539
name:-0.006727933883667
Yamaguchi; Takaaki Patent Filings

Yamaguchi; Takaaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yamaguchi; Takaaki.The latest application filed is for "element board, liquid ejection head, and printing apparatus".

Company Profile
5.82.77
  • Yamaguchi; Takaaki - Yokohama JP
  • Yamaguchi; Takaaki - Yokohama-shi JP
  • YAMAGUCHI; Takaaki - Kawasaki JP
  • Yamaguchi; Takaaki - Kanagawa JP
  • Yamaguchi; Takaaki - Kanagawa-ken JP
  • Yamaguchi; Takaaki - Tokyo JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Print element substrate, method of manufacturing print element substrate, and method of manufacturing printhead
Grant 10,632,741 - Tamura , et al.
2020-04-28
Element board, liquid ejection head, and printing apparatus
Grant 10,603,912 - Miura , et al.
2020-03-31
Print element substrate, printhead, and printing apparatus
Grant 10,500,851 - Osuki , et al. Dec
2019-12-10
Liquid ejection head and liquid ejection apparatus
Grant 10,322,578 - Kudo , et al.
2019-06-18
Print Element Substrate, Method Of Manufacturing Print Element Substrate, And Method Of Manufacturing Printhead
App 20190001663 - Tamura; Hideo ;   et al.
2019-01-03
Element Board, Liquid Ejection Head, And Printing Apparatus
App 20190001680 - Miura; Yosuke ;   et al.
2019-01-03
Liquid Ejection Head And Liquid Ejection Apparatus
App 20180361734 - Kudo; Tomoko ;   et al.
2018-12-20
Liquid ejection head and method for manufacturing the same
Grant 10,150,295 - Kudo , et al. Dec
2018-12-11
Element substrate for liquid ejecting head and wafer
Grant 9,950,525 - Oohashi , et al. April 24, 2
2018-04-24
Print Element Substrate, Printhead, And Printing Apparatus
App 20180104954 - Osuki; Yohei ;   et al.
2018-04-19
Printing element substrate, liquid ejection head, and printing apparatus
Grant 9,919,518 - Yamaguchi , et al. March 20, 2
2018-03-20
Recording-element substrate, recording head, and recording apparatus
Grant 9,833,992 - Taniguchi , et al. December 5, 2
2017-12-05
Printing Element Substrate, Liquid Ejection Head, And Printing Apparatus
App 20170190173 - Yamaguchi; Takaaki ;   et al.
2017-07-06
Liquid Ejection Head And Method For Manufacturing The Same
App 20170190176 - Kudo; Tokuji ;   et al.
2017-07-06
Semiconductor device, liquid discharge head, liquid discharge cartridge, and liquid discharge apparatus
Grant 9,694,575 - Fujii , et al. July 4, 2
2017-07-04
Recording-element Substrate, Recording Head, And Recording Apparatus
App 20170173953 - Taniguchi; Suguru ;   et al.
2017-06-22
Element Substrate For Liquid Ejecting Head And Wafer
App 20170100930 - Oohashi; Ryoji ;   et al.
2017-04-13
Liquid discharge substrate, liquid discharge head, and printing apparatus
Grant 9,555,629 - Shibata , et al. January 31, 2
2017-01-31
Substrate for liquid ejection head, liquid ejection head, and apparatus and method for ejecting liquid
Grant 9,522,529 - Yamaguchi , et al. December 20, 2
2016-12-20
Semiconductor Device, Liquid Discharge Head, Liquid Discharge Cartridge, And Liquid Discharge Apparatus
App 20160355008 - Fujii; Kazunari ;   et al.
2016-12-08
Substrate For Liquid Ejection Head, Liquid Ejection Head, And Apparatus And Method For Ejecting Liquid
App 20160288494 - Yamaguchi; Takaaki ;   et al.
2016-10-06
Liquid discharging substrate, printhead, and printing apparatus
Grant 9,340,022 - Fujii , et al. May 17, 2
2016-05-17
Liquid Discharging Substrate, Printhead, And Printing Apparatus
App 20160121608 - Fujii; Kazunari ;   et al.
2016-05-05
Liquid-discharge-head substrate, method of manufacturing the same, and liquid discharge head
Grant 9,242,460 - Omata , et al. January 26, 2
2016-01-26
Liquid Discharge Substrate, Liquid Discharge Head, And Printing Apparatus
App 20150314597 - Shibata; Masanori ;   et al.
2015-11-05
Liquid ejection head
Grant 8,876,242 - Tamaru , et al. November 4, 2
2014-11-04
Element substrate, printhead, head cartridge, printing apparatus, and method for confirming electrical connection status of printhead and printing apparatus
Grant 8,708,443 - Kubo , et al. April 29, 2
2014-04-29
Liquid discharge head and circuit board
Grant 8,672,452 - Hayasaki , et al. March 18, 2
2014-03-18
Designing Device, Designing Method, And Recording Medium
App 20130328940 - YAMAGUCHI; Takaaki
2013-12-12
Liquid-discharging recording head
Grant 8,534,796 - Omata , et al. September 17, 2
2013-09-17
Liquid discharge head substrate and head unit
Grant 8,523,324 - Yamaguchi , et al. September 3, 2
2013-09-03
Inkjet printhead substrate, method for manufacturing inkjet printhead substrate, inkjet print head, and inkjet recording apparatus
Grant 8,246,147 - Tamura , et al. August 21, 2
2012-08-21
Element substrate, printhead, head cartridge, and printing apparatus
Grant 8,235,485 - Matsui , et al. August 7, 2
2012-08-07
Inkjet recording head and recording apparatus
Grant 8,235,481 - Kubo , et al. August 7, 2
2012-08-07
Recording element substrate, recording head including the same, and recording head cartridge
Grant 8,235,486 - Negishi , et al. August 7, 2
2012-08-07
Print element substrate, printhead, and printing apparatus
Grant 8,231,195 - Kubo , et al. July 31, 2
2012-07-31
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
Grant 8,191,996 - Omata , et al. June 5, 2
2012-06-05
Element substrate and printhead
Grant 8,186,796 - Yamaguchi , et al. May 29, 2
2012-05-29
Print element substrate, inkjet printhead, and printing apparatus
Grant 8,167,411 - Takeuchi , et al. May 1, 2
2012-05-01
Liquid-discharging Recording Head
App 20120069091 - Omata; Koichi ;   et al.
2012-03-22
Liquid ejection substrate and liquid ejection head using same
Grant 8,128,206 - Yamaguchi , et al. March 6, 2
2012-03-06
Substrate for inkjet head and inkjet head using the same
Grant 8,109,593 - Oohashi , et al. February 7, 2
2012-02-07
Liquid-discharging recording head
Grant 8,083,317 - Omata , et al. December 27, 2
2011-12-27
Element Substrate, Printhead, Head Cartridge, Printing Apparatus, And Method For Confirming Electrical Connection Status Of Printhead And Printing Apparatus
App 20110304664 - Kubo; Kousuke ;   et al.
2011-12-15
Ink jet recording head and production process thereof
Grant 8,070,267 - Takeuchi , et al. December 6, 2
2011-12-06
Print element substrate, printhead, and printing apparatus
Grant 8,070,262 - Yamaguchi , et al. December 6, 2
2011-12-06
Printing head substrate, ink jet printing head and ink jet printing apparatus with substrate temperature detecting element
Grant 8,070,263 - Oohashi , et al. December 6, 2
2011-12-06
Recording element substrate, recording head, and ink jet recording apparatus having the recording head
Grant 8,066,347 - Tamura , et al. November 29, 2
2011-11-29
Liquid Discharge Head And Circuit Board
App 20110285788 - Hayasaki; Kimiyuki ;   et al.
2011-11-24
Element substrate, printhead, head cartridge, and printing apparatus
Grant 8,057,000 - Imanaka , et al. November 15, 2
2011-11-15
Element substrate, printhead, head cartridge, printing apparatus, and method for confirming electrical connection status of printhead and printing apparatus
Grant 8,020,956 - Kubo , et al. September 20, 2
2011-09-20
Liquid Discharge Head Substrate And Head Unit
App 20110221823 - Yamaguchi; Takaaki ;   et al.
2011-09-15
Printhead driving method, printhead substrate, printhead, head cartridge, and printing apparatus
Grant 8,002,374 - Imanaka , et al. August 23, 2
2011-08-23
Ink jet recording head substrate, and ink jet recording head including the substrate
Grant 7,959,262 - Omata , et al. June 14, 2
2011-06-14
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
Grant 7,922,274 - Kubota , et al. April 12, 2
2011-04-12
Liquid discharge head
Grant 7,918,539 - Imanaka , et al. April 5, 2
2011-04-05
Printhead substrate having electrothermal transducers arranged at high density, printhead, and printing apparatus
Grant 7,905,577 - Takeuchi , et al. March 15, 2
2011-03-15
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
Grant 7,896,455 - Matsui , et al. March 1, 2
2011-03-01
Inkjet printhead board and inkjet printhead using same
Grant 7,896,476 - Kubo , et al. March 1, 2
2011-03-01
Element substrate, printhead, and head cartridge
Grant 7,896,475 - Omata , et al. March 1, 2
2011-03-01
Element Substrate, Printhead, Head Cartridge, And Printing Apparatus
App 20110032295 - Imanaka; Yoshiyuki ;   et al.
2011-02-10
Element substrate, printhead, head cartridge, and printing apparatus
Grant 7,841,678 - Imanaka , et al. November 30, 2
2010-11-30
Liquid Ejection Head
App 20100283819 - Tamaru; Yuuji ;   et al.
2010-11-11
Element Substrate, And Printhead, Head Cartridge, And Printing Apparatus Using The Element Substrate
App 20100265299 - Matsui; Takahiro ;   et al.
2010-10-21
Board for inkjet printing head and inkjet printing head using the same
Grant 7,810,907 - Kubo , et al. October 12, 2
2010-10-12
Element substrate, printhead, head cartridge, and printing apparatus
Grant 7,810,892 - Yamaguchi , et al. October 12, 2
2010-10-12
Printhead and printing apparatus
Grant 7,806,492 - Furukawa , et al. October 5, 2
2010-10-05
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
Grant 7,770,989 - Matsui , et al. August 10, 2
2010-08-10
Element Substrate, And Printhead, Head Cartridge, And Printing Apparatus Using The Element Substrate
App 20100134566 - Omata; Koichi ;   et al.
2010-06-03
Recording Element Substrate, Recording Head Including The Same, And Recording Head Cartridge
App 20100118068 - Negishi; Toshio ;   et al.
2010-05-13
Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate
Grant 7,681,992 - Omata , et al. March 23, 2
2010-03-23
Liquid Ejection Substrate And Liquid Ejection Head Using Same
App 20100053243 - Yamaguchi; Takaaki ;   et al.
2010-03-04
Liquid-discharge-head Substrate, Method Of Manufacturing The Same, And Liquid Discharge Head
App 20100053278 - Omata; Koichi ;   et al.
2010-03-04
Liquid discharge recording head and liquid discharge recording head cartridge including the same
Grant 7,641,317 - Matsui , et al. January 5, 2
2010-01-05
Liquid-discharging Recording Head
App 20090309925 - Omata; Koichi ;   et al.
2009-12-17
Inkjet Printhead Substrate, Method For Manufacturing Inkjet Printhead Substrate, Inkjet Print Head, And Inkjet Recording Apparatus
App 20090309930 - Tamura; Hideo ;   et al.
2009-12-17
Printing Head Substrate, Ink Jet Printing Head And Ink Jet Printing Apparatus
App 20090309913 - Oohashi; Ryoji ;   et al.
2009-12-17
Substrate For Inkjet Head And Inkjet Head Using The Same
App 20090295859 - Oohashi; Ryoji ;   et al.
2009-12-03
Ink Jet Recording Head Substrate, And Ink Jet Recording Head Including The Substrate
App 20090289995 - Omata; Koichi ;   et al.
2009-11-26
Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head
Grant 7,621,612 - Yamaguchi , et al. November 24, 2
2009-11-24
Print Element Substrate, Printhead, And Printing Apparatus
App 20090278890 - Yamaguchi; Takaaki ;   et al.
2009-11-12
Print Element Substrate, Inkjet Printhead, And Printing Apparatus
App 20090278879 - Takeuchi; Souta ;   et al.
2009-11-12
Print Element Substrate, Printhead, And Printing Apparatus
App 20090278878 - Kubo; Kousuke ;   et al.
2009-11-12
Recording head chip, recording head employing recording head chip, and recording apparatus employing recording head
Grant 7,614,726 - Yamaguchi , et al. November 10, 2
2009-11-10
Inkjet Recording Head And Recording Apparatus
App 20090273626 - Kubo; Kousuke ;   et al.
2009-11-05
Recording Element Substrate, Recording Head, And Ink Jet Recording Apparatus Having The Recording Head
App 20090273629 - Tamura; Hideo ;   et al.
2009-11-05
Printing apparatus, printhead, and driving method therefor
Grant 7,588,317 - Imanaka , et al. September 15, 2
2009-09-15
Liquid Discharge Head
App 20090207210 - IMANAKA; Yoshiyuki ;   et al.
2009-08-20
Printhead substrate, printhead using the substrate, head cartridge including the printhead, method of driving the printhead, and printing apparatus using the printhead
Grant 7,575,294 - Imanaka , et al. August 18, 2
2009-08-18
Liquid discharge head
Grant 7,549,734 - Imanaka , et al. June 23, 2
2009-06-23
Printhead And Printing Apparatus
App 20090122097 - Furukawa; Tatsuo ;   et al.
2009-05-14
Element Substrate, Printhead, And Head Cartridge
App 20090109261 - Omata; Koichi ;   et al.
2009-04-30
Recording head, head cartridge and recording apparatus
Grant 7,467,864 - Matsui , et al. December 23, 2
2008-12-23
Element Substrate, Printhead, Head Cartridge, And Printing Apparatus
App 20080309692 - Matsui; Takahiro ;   et al.
2008-12-18
Element Substrate And Printhead
App 20080297548 - Yamaguchi; Takaaki ;   et al.
2008-12-04
Element Substrate, Printhead, Head Cartridge, Printing Apparatus, And Method For Confirming Electrical Connection Status Of Printhead And Printing Apparatus
App 20080297551 - Kubo; Kousuke ;   et al.
2008-12-04
Ink Jet Recording Head And Production Process Thereof
App 20080273053 - Takeuchi; Souta ;   et al.
2008-11-06
Substrate having a plurality of common power supply wires and a plurality of common ground wires for inkjet recording head and inkjet recording head using the same
Grant 7,441,877 - Kubo , et al. October 28, 2
2008-10-28
Element Substrate, Printhead, Head Cartridge, And Printing Apparatus
App 20080180480 - Imanaka; Yoshiyuki ;   et al.
2008-07-31
Inkjet Printhead Board And Inkjet Printhead Using Same
App 20080151005 - Kubo; Kousuke ;   et al.
2008-06-26
Printhead substrate, printhead, and printing apparatus
App 20080143789 - Takeuchi; Souta ;   et al.
2008-06-19
Element Substrate, Printhead, Head Cartridge, And Printing Apparatus
App 20080129782 - Kubo; Kousuke ;   et al.
2008-06-05
Element Substrate, Printhead, Head Cartridge, And Printing Apparatus
App 20080111864 - Yamaguchi; Takaaki ;   et al.
2008-05-15
Element Substrate, And Printhead, Head Cartridge, And Printing Apparatus Using The Element Substrate
App 20080100649 - Matsui; Takahiro ;   et al.
2008-05-01
Element Substrate, And Printhead, Head Cartridge, And Printing Apparatus Using The Element Substrate
App 20080084440 - Omata; Koichi ;   et al.
2008-04-10
Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatus
Grant 7,344,218 - Imanaka , et al. March 18, 2
2008-03-18
Printhead Driving Method, Printhead Substrate, Printhead, Head Cartridge, And Printing Apparatus
App 20080024534 - IMANAKA; YOSHIYUKI ;   et al.
2008-01-31
Printhead Substrate, Printhead Using The Substrate, Head Cartridge Including The Printhead, Method Of Driving The Printhead, And Printing Apparatus Using The Printhead
App 20070188559 - Imanaka; Yoshiyuki ;   et al.
2007-08-16
Liquid discharge head
App 20070165067 - Imanaka; Yoshiyuki ;   et al.
2007-07-19
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
App 20070146409 - Kubota; Masahiko ;   et al.
2007-06-28
Recording Head Chip, Recording Head Employing Recording Head Chip, And Recording Apparatus Employing Recording Head
App 20070139480 - YAMAGUCHI; TAKAAKI ;   et al.
2007-06-21
Method of driving a printhead using a constant current and operating MOS transistor in saturation region
Grant 7,216,960 - Imanaka , et al. May 15, 2
2007-05-15
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
Grant 7,210,755 - Kubota , et al. May 1, 2
2007-05-01
Recording head, head cartridge and recording apparatus
App 20070002087 - Matsui; Takahiro ;   et al.
2007-01-04
Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead
Grant 7,144,093 - Nakajima , et al. December 5, 2
2006-12-05
Liquid discharge recording head and liquid discharge recording head cartridge including the same
App 20060232637 - Matsui; Takahiro ;   et al.
2006-10-19
Board for inkjet printing head and inkjet printing head using the same
App 20060232633 - Kubo; Kousuke ;   et al.
2006-10-19
Printing apparatus, printhead, and driving method therefor
App 20060221105 - Imanaka; Yoshiyuki ;   et al.
2006-10-05
Substrate for inkjet recording head and inkjet recording head using the same
App 20060125881 - Kubo; Kousuke ;   et al.
2006-06-15
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
Grant 7,014,287 - Kubota , et al. March 21, 2
2006-03-21
Ink tank and ink jet recording apparatus provided with the same
Grant 6,997,535 - Mochizuki , et al. February 14, 2
2006-02-14
Base plate for use of recording head, recording head, recording apparatus, and method for manufacturing recording head
Grant 6,997,546 - Imanaka , et al. February 14, 2
2006-02-14
Recording apparatus and liquid discharge method
Grant 6,988,782 - Imanaka , et al. January 24, 2
2006-01-24
Ink-jet printhead board, ink-jet printhead, and ink-jet printing apparatus
Grant 6,971,735 - Saito , et al. December 6, 2
2005-12-06
Ink jet recording head with multiple recording elements, electrical circuit elements and protecting sections
Grant 6,969,154 - Takeuchi , et al. November 29, 2
2005-11-29
Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead
Grant 6,966,629 - Nakajima , et al. November 22, 2
2005-11-22
Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head
Grant 6,962,405 - Imanaka , et al. November 8, 2
2005-11-08
Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head
Grant 6,945,629 - Yamaguchi , et al. September 20, 2
2005-09-20
Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead
App 20050190222 - Nakajima, Yoshinori ;   et al.
2005-09-01
Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head
App 20050179745 - Yamaguchi, Takaaki ;   et al.
2005-08-18
Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatus
App 20050140707 - Imanaka, Yoshiyuki ;   et al.
2005-06-30
Printhead substrate, printhead using the substrate, head cartridge including the printhead, method of driving the printhead, and printing apparatus using the printhead
App 20050140736 - Imanaka, Yoshiyuki ;   et al.
2005-06-30
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
Grant 6,827,411 - Kubota , et al. December 7, 2
2004-12-07
Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head
App 20040160485 - Imanaka, Yoshiyuki ;   et al.
2004-08-19
Substrate for recording head, recording head, recording apparatus, and method of inspecting substrate for recording head
Grant 6,773,096 - Mochizuki , et al. August 10, 2
2004-08-10
Ink jet recording apparatus utilizing solid semiconductor element
Grant 6,769,754 - Imanaka , et al. August 3, 2
2004-08-03
Semiconductor Device, Ink Tank Provided With Such Semiconductor Device, Ink Jet Cartridge, Ink Jet Recording Apparatus, Method For Manufacturing Such Semiconductor Device, And Communication System, Method For Controlling Pressure, Memory Element, Security System Of Ink Jet Recording Apparatus
Grant 6,719,394 - Kubota , et al. April 13, 2
2004-04-13
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
App 20040036733 - Kubota, Masahiko ;   et al.
2004-02-26
Ink tank and ink jet recording apparatus provided with the same
App 20040036734 - Mochizuki, Muga ;   et al.
2004-02-26
Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead
App 20040021717 - Nakajima, Yoshinori ;   et al.
2004-02-05
Ink tank and ink jet recording apparatus provided with the same
Grant 6,685,296 - Mochizuki , et al. February 3, 2
2004-02-03
Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head
App 20040017437 - Yamaguchi, Takaaki ;   et al.
2004-01-29
Ink jet recording head and ink jet recording apparatus using ink jet recording head
App 20040012654 - Takeuchi, Souta ;   et al.
2004-01-22
Recording apparatus and liquid discharge method
App 20030090533 - Imanaka, Yoshiyuki ;   et al.
2003-05-15
Base plate for use of recording head, recording head, recording apparatus, and method for manufacturing recording head
App 20030090547 - Imanaka, Yoshiyuki ;   et al.
2003-05-15
Substrate for recording head, recording head, recording apparatus, and inspecting method of substrate for recording head
App 20030090546 - Mochizuki, Muga ;   et al.
2003-05-15
Ink-jet printhead board, ink-jet printhead, and ink-jet printing apparatus
App 20020191044 - Saito, Ichiro ;   et al.
2002-12-19
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
App 20020154181 - Kubota, Masahiko ;   et al.
2002-10-24
Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method
App 20020033855 - Kubota, Masahiko ;   et al.
2002-03-21
Ink tank and ink jet recording apparatus provided with the same
App 20020030710 - Mochizuki, Muga ;   et al.
2002-03-14
Ink jet recording apparatus utilizing solid semiconductor element
App 20020008722 - Imanaka, Yoshiyuki ;   et al.
2002-01-24
Semiconductor device, ink tank provided with such semiconductor device, ink jet cartridge, ink jet recording apparatus, method for manufacturing such semiconductor device, and communication system, method for controlling pressure, memory element, security system of ink jet recording apparatus
App 20020008724 - Kubota, Masahiko ;   et al.
2002-01-24
Oxygen absorbent composition
Grant 4,199,472 - Ohtsuka , et al. April 22, 1
1980-04-22

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