Sakai; Toshiyasu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sakai; Toshiyasu.The latest application filed is for "liquid discharge head, recording apparatus, and method of manufacturing liquid discharge head".

Company Profile

3.65.52

Sakai; Toshiyasu - Kawasaki JP
Sakai; Toshiyasu - Kawasaki-shi JP
Sakai; Toshiyasu - Oita JP
Sakai; Toshiyasu - Yokohama JP
Sakai; Toshiyasu - Kanagawa JP
SAKAI; TOSHIYASU - YOKOHAMA-SHI JP
Sakai; Toshiyasu - Oita-shi JP
Sakai; Toshiyasu - Tokyo JP
Sakai; Toshiyasu - Kariya 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

Patent	Date
Liquid discharge head, recording apparatus, and method of manufacturing liquid discharge head Grant 10,583,656 - Kato , et al.	2020-03-10
Liquid ejection head substrate Grant 10,518,531 - Higuchi , et al. Dec	2019-12-31
Liquid Discharge Head, Recording Apparatus, And Method Of Manufacturing Liquid Discharge Head App 20190001675 - Kato; Masataka ; et al.	2019-01-03
Liquid Ejection Head Substrate App 20180361742 - Higuchi; Hiroshi ; et al.	2018-12-20
Liquid supply substrate, method of producing the same, and liquid ejecting head Grant 10,052,870 - Sakai August 21, 2	2018-08-21
Method for producing liquid-ejection head Grant 9,956,776 - Watanabe , et al. May 1, 2	2018-05-01
Method of manufacturing semiconductor chips for liquid discharge head Grant 9,925,776 - Takahashi , et al. March 27, 2	2018-03-27
Method for manufacturing structure Grant 9,914,295 - Higuchi , et al. March 13, 2	2018-03-13
Method Of Manufacturing Semiconductor Chips For Liquid Discharge Head App 20170361616 - Takahashi; Tomohiro ; et al.	2017-12-21
Method of forming through-substrate Grant 9,789,689 - Ogata , et al. October 17, 2	2017-10-17
Substrate processing method and method of manufacturing substrate for liquid discharge head including forming hole in substrate by dry etching Grant 9,676,193 - Kato , et al. June 13, 2	2017-06-13
Liquid Supply Substrate, Method Of Producing The Same, And Liquid Ejecting Head App 20170129241 - Sakai; Toshiyasu	2017-05-11
Liquid discharge head, liquid discharge apparatus, and method of manufacturing liquid discharge head Grant 9,586,400 - Kato , et al. March 7, 2	2017-03-07
Method for processing silicon substrate Grant 9,511,588 - Minami , et al. December 6, 2	2016-12-06
Method For Manufacturing Structure App 20160260601 - Higuchi; Hiroshi ; et al.	2016-09-08
Substrate processing method Grant 9,371,225 - Minami , et al. June 21, 2	2016-06-21
Liquid Discharge Head, Liquid Discharge Apparatus, And Method Of Manufacturing Liquid Discharge Head App 20160159094 - Kato; Masataka ; et al.	2016-06-09
Etching Method And Method Of Manufacturing Liquid Discharge Head Substrate App 20160039206 - Usui; Takashi ; et al.	2016-02-11
Method For Producing Liquid-ejection Head App 20150367640 - Watanabe; Masahisa ; et al.	2015-12-24
Method Of Forming Through-substrate App 20150360470 - Ogata; Yoshinao ; et al.	2015-12-17
Substrate Processing Method And Method Of Manufacturing Substrate For Liquid Discharge Head App 20150328896 - Kato; Masataka ; et al.	2015-11-19
Method for producing liquid-ejection head Grant 9,139,003 - Watanabe , et al. September 22, 2	2015-09-22
Processes for producing substrate for liquid ejection head Grant 9,102,153 - Sakai , et al. August 11, 2	2015-08-11
Dry etching method Grant 9,067,460 - Abo , et al. June 30, 2	2015-06-30
Method For Processing Silicon Substrate App 20150111321 - Minami; Seiko ; et al.	2015-04-23
Liquid discharge head, cleaning method for liquid discharge head, liquid discharge apparatus, and substrate for liquid discharge head Grant 9,004,650 - Sakai , et al. April 14, 2	2015-04-14
Method of manufacturing liquid ejection head and method of processing substrate Grant 8,980,110 - Watanabe , et al. March 17, 2	2015-03-17
Substrate Processing Method App 20150024605 - Minami; Seiko ; et al.	2015-01-22
Liquid Ejection Head Substrate And Liquid Ejection Head App 20140368581 - Takahashi; Kenji ; et al.	2014-12-18
Processes For Producing Substrate For Liquid Ejection Head App 20140363907 - Sakai; Toshiyasu ; et al.	2014-12-11
Processes for producing substrate with piercing aperture, substrate for liquid ejection head and liquid ejection head Grant 8,865,009 - Sakai October 21, 2	2014-10-21
Liquid Discharge Head, Cleaning Method For Liquid Discharge Head, Liquid Discharge Apparatus, And Substrate For Liquid Discharge Head App 20140300669 - Sakai; Toshiyasu ; et al.	2014-10-09
Manufacturing method for ink jet recording head chip, and manfuacturing method for ink jet recording head Grant RE44,945 - Sakai , et al. June 17, 2	2014-06-17
Method For Producing Liquid-ejection Head App 20140096385 - Watanabe; Masahisa ; et al.	2014-04-10
Process for producing a substrate for a liquid ejection head Grant 8,647,896 - Sakai February 11, 2	2014-02-11
Processes For Producing Substrate With Piercing Aperture, Substrate For Liquid Ejection Head And Liquid Ejection Head App 20140034604 - Sakai; Toshiyasu	2014-02-06
Dry Etching Method App 20140008322 - Abo; Hiroyuki ; et al.	2014-01-09
Method for processing substrate and method for producing liquid ejection head and substrate for liquid ejection head Grant 8,597,529 - Kishimoto , et al. December 3, 2	2013-12-03
Method Of Manufacturing Liquid Ejection Head And Method Of Processing Substrate App 20130206723 - Watanabe; Masahisa ; et al.	2013-08-15
Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head Grant 8,491,087 - Sakai , et al. July 23, 2	2013-07-23
Liquid discharge head having an increased rigidity Grant 8,408,681 - Sakai , et al. April 2, 2	2013-04-02
Liquid-ejection head and method for manufacturing liquid-ejection head substrate Grant 8,366,950 - Chida , et al. February 5, 2	2013-02-05
Process For Producing A Substrate For A Liquid Ejection Head App 20120231565 - Sakai; Toshiyasu	2012-09-13
Liquid Discharge Head App 20120120158 - Sakai; Toshiyasu ; et al.	2012-05-17
Circuit Board For Ink Jet Head, Ink Jet Head Having The Same, Method For Cleaning The Head And Ink Jet Printing Apparatus Using The Head App 20120105537 - SAKAI; TOSHIYASU ; et al.	2012-05-03
Process of producing liquid discharge head Grant 8,163,187 - Abo , et al. April 24, 2	2012-04-24
Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head Grant 8,123,330 - Sakai , et al. February 28, 2	2012-02-28
Ink jet recording head and manufacturing method of ink jet recording head Grant 8,079,675 - Ozaki , et al. December 20, 2	2011-12-20
Ink jet recording head with ink supply ports having a cross-section with varying width Grant 8,057,017 - Sakai , et al. November 15, 2	2011-11-15
Printhead driving method, printhead substrate, printhead, head cartridge, and printing apparatus Grant 8,002,374 - Imanaka , et al. August 23, 2	2011-08-23
Circuit Board For Ink Jet Head, Ink Jet Head Having The Same, Method For Cleaning The Head And Ink Jet Printing Apparatus Using The Head App 20110199421 - SAKAI; TOSHIYASU ; et al.	2011-08-18
Method of manufacturing ink jet circuit board with heaters and electrodes constructed to reduce corrosion Grant 7,954,238 - Shibata , et al. June 7, 2	2011-06-07
Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head Grant 7,950,769 - Sakai , et al. May 31, 2	2011-05-31
Manufacturing Method For Ink Jet Recording Head Chip, And Manufaturing Method For Ink Jet Recording Head App 20110102511 - SAKAI; TOSHIYASU ; et al.	2011-05-05
Ink Jet Recording Head And Manufacturing Method Of Ink Jet Recording Head App 20110056079 - Ozaki; Teruo ; et al.	2011-03-10
Ink jet recording head and method for manufacturing the same Grant 7,901,045 - Abe , et al. March 8, 2	2011-03-08
Method For Processing Silicon Substrate And Method For Producing Substrate For Liquid Ejecting Head App 20110020966 - Chida; Mitsuru ; et al.	2011-01-27
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same Grant 7,862,155 - Shibata , et al. January 4, 2	2011-01-04
Ink jet recording head and manufacturing method of ink jet recording head Grant 7,857,429 - Ozaki , et al. December 28, 2	2010-12-28
Manufacturing method for ink jet recording head chip, and manufacturing method for ink jet recording head Grant 7,824,560 - Sakai , et al. November 2, 2	2010-11-02
Manufacturing method of substrate for ink jet head and manufacturing method of ink jet recording head Grant 7,727,411 - Yamamuro , et al. June 1, 2	2010-06-01
Circuit board for ink jet head, method of manufacturing the same, and ink jet head using the same Grant 7,681,993 - Ono , et al. March 23, 2	2010-03-23
Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate Grant 7,669,981 - Ozaki , et al. March 2, 2	2010-03-02
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same Grant 7,641,316 - Sakai , et al. January 5, 2	2010-01-05
Method For Processing Substrate And Method For Producing Liquid Ejection Head And Substrate For Liquid Ejection Head App 20090314742 - Kishimoto; Keisuke ; et al.	2009-12-24
Process Of Producing Liquid Discharge Head App 20090302502 - Abo; Hiroyuki ; et al.	2009-12-10
Manufacturing Method of Semiconductive Element and Ink Jet Head Substrate Grant 7,591,071 - Ibe , et al. September 22, 2	2009-09-22
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
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same Grant 7,566,116 - Saito , et al. July 28, 2	2009-07-28
Ink Jet Print Head Substrate, Ink Jet Print Head, Ink Jet Printing Apparatus, And Method Of Manufacturing Ink Jet Print Head Substrate App 20090179938 - OZAKI; TERUO ; et al.	2009-07-16
Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate Grant 7,533,969 - Ozaki , et al. May 19, 2	2009-05-19
Liquid-ejection Head And Method For Manufacturing Liquid-ejection Head Substrate App 20090065474 - Chida; Mitsuru ; et al.	2009-03-12
Method Of Manufacturing Ink Jet Circuit Board With Heaters And Electrodes Constructed To Reduce Corrosion App 20080188018 - Shibata; Kazuaki ; et al.	2008-08-07
Ink Jet Recording Head And Method For Manufacturing The Same App 20080180487 - Abe; Kazuya ; et al.	2008-07-31
Substrate for ink jet head with TaCr alloy protective layer, ink jet head utilizing the same and producing method therefor Grant 7,393,084 - Saito , et al. July 1, 2	2008-07-01
Ink jet head circuit board with heaters and electrodes constructed to reduce corrosion, method of manufacturing the same and ink jet head using the same Grant 7,374,275 - Shibata , et al. May 20, 2	2008-05-20
Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatus Grant 7,344,218 - Imanaka , et al. March 18, 2	2008-03-18
Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same Grant 7,338,150 - Ibe , et al. March 4, 2	2008-03-04
Printhead Driving Method, Printhead Substrate, Printhead, Head Cartridge, And Printing Apparatus App 20080024534 - IMANAKA; YOSHIYUKI ; et al.	2008-01-31
Substrate for ink jet head, ink jet head using the same, and manufacturing method thereof Grant 7,306,327 - Sakai , et al. December 11, 2	2007-12-11
Manufacturing Method For Ink Jet Recording Head Chip, And Manufacturing Method For Ink Jet Recording Head App 20070212890 - SAKAI; TOSHIYASU ; et al.	2007-09-13
Manufacturing Method Of Substrate For Ink Jet Head And Manufacturing Method Of Ink Jet Recording Head App 20070212891 - Yamamuro; Jun ; et al.	2007-09-13
Substrate For Liquid Discharge Head, Liquid Discharge Head Using Substrate For Liquid Discharge Head And Method Of Manufacturing The Same App 20070206061 - IBE; SATOSHI ; et al.	2007-09-06
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
Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same Grant 7,255,426 - Ibe , et al. August 14, 2	2007-08-14
Circuit Board For Ink Jet Head, Ink Jet Head Having The Same, Method For Cleaning The Head And Ink Jet Printing Apparatus Using The Head App 20070146428 - SAKAI; TOSHIYASU ; et al.	2007-06-28
Ink Jet Recording Head And Manufacturing Method Of Ink Jet Recording Head App 20070120902 - OZAKI; TERUO ; et al.	2007-05-31
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
Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate App 20060256160 - Ozaki; Teruo ; et al.	2006-11-16
Semiconductive element, ink jet head substrate and manufacturing method therefor App 20060170734 - Ibe; Satoshi ; et al.	2006-08-03
Substrate for ink jet head, ink jet head using the same, and manufacturing method thereof App 20060146095 - Sakai; Toshiyasu ; et al.	2006-07-06
Heat generating resistant element film, substrate for ink jet head utilizing the same, ink jet head and ink jet apparatus Grant 7,055,937 - Suzuki , et al. June 6, 2	2006-06-06
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same App 20060098053 - Saito; Ichiro ; et al.	2006-05-11
Substrate for ink jet head, ink jet head utilizing the same and producing method therefor App 20060061626 - Saito; Ichiro ; et al.	2006-03-23
Circuit board for ink jet head, method of manufacturing the same, and ink jet head using the same App 20060033780 - Ono; Kenji ; et al.	2006-02-16
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same App 20060033779 - Shibata; Kazuaki ; et al.	2006-02-16
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same App 20060033778 - Shibata; Kazuaki ; et al.	2006-02-16
Ink jet head circuit board, method of manufacturing the same and ink jet head using the same App 20060033782 - Sakai; Toshiyasu ; et al.	2006-02-16
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
Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatus App 20050140707 - Imanaka, Yoshiyuki ; et al.	2005-06-30
Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same App 20050128254 - Ibe, Satoshi ; et al.	2005-06-16
Heat generating resistant element film, substrate for ink jet head utilizing the same, ink jet head and ink jet apparatus App 20040179084 - Suzuki, Hiroyuki ; et al.	2004-09-16
Bar code label Grant 4,864,112 - Imai , et al. September 5, 1	1989-09-05
Apparatus for optically reading printed information Grant 4,818,847 - Hara , et al. April 4, 1	1989-04-04
Apparatus and method for recognizing optical information Grant 4,734,566 - Senda , et al. March 29, 1	1988-03-29
Optical reading apparatus having a reading sensor of electronic scanning type Grant 4,538,060 - Sakai , et al. August 27, 1	1985-08-27
Optical reading apparatus with automatic gain control circuit Grant 4,528,444 - Hara , et al. July 9, 1	1985-07-09
High-sensitive optical reading apparatus and method of reading optical information Grant 4,516,017 - Hara , et al. May 7, 1	1985-05-07
Method and apparatus for reading a bar code Grant 4,488,678 - Hara , et al. December 18, 1	1984-12-18
DC Motor driving apparatus Grant 4,412,160 - Kojima , et al. October 25, 1	1983-10-25
Bar code scanner Grant 4,408,120 - Hara , et al. October 4, 1	1983-10-04
Bar code scanner Grant 4,210,802 - Sakai July 1, 1	1980-07-01