Koyama; Shuji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koyama; Shuji.The latest application filed is for "liquid composition and etching method for etching silicon substrate".

Company Profile

1.77.59

Koyama; Shuji - Kawasaki JP
Koyama; Shuji - Kawasaki-shi JP
Koyama; Shuji - Shizuoka JP
Koyama; Shuji - Kanagawa JP
Koyama; Shuji - Tokyo JP
Koyama; Shuji - Kanagawa-ken JP
Koyama; Shuji - Ito JP
Koyama; Shuji - Hiratsuka 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 composition and etching method for etching silicon substrate Grant 9,799,526 - Fujita , et al. October 24, 2	2017-10-24
Forming a liquid ejection head with through holes and a depression Grant 9,472,639 - Shimoyama , et al. October 18, 2	2016-10-18
Process for producing liquid ejection head Grant 9,421,773 - Asai , et al. August 23, 2	2016-08-23
Liquid Composition And Etching Method For Etching Silicon Substrate App 20160020113 - Fujita; Hirohisa ; et al.	2016-01-21
Method for manufacturing inkjet recording head Grant 9,211,707 - Fujita , et al. December 15, 2	2015-12-15
Etching Chamber And Method Of Manufacturing Substrate App 20150325460 - Furusawa; Kenta ; et al.	2015-11-12
Manufacturing method of liquid discharging head Grant 9,168,750 - Sasaki , et al. October 27, 2	2015-10-27
Method for processing silicon wafer Grant 9,040,431 - Fujita , et al. May 26, 2	2015-05-26
Method for producing liquid-discharge-head substrate Grant 8,951,815 - Murakami , et al. February 10, 2	2015-02-10
Method of producing liquid ejection head Grant 8,904,639 - Matsumoto , et al. December 9, 2	2014-12-09
Processing method for an ink jet head substrate Grant 8,858,812 - Furusawa , et al. October 14, 2	2014-10-14
Method of manufacturing substrate for liquid discharge head Grant 8,808,555 - Watanabe , et al. August 19, 2	2014-08-19
Process For Producing Substrate For Liquid Ejection Head And Process For Processing Silicon Substrate App 20140212997 - Yaginuma; Seiichiro ; et al.	2014-07-31
Method of producing substrate for liquid ejection head Grant 8,771,531 - Furusawa , et al. July 8, 2	2014-07-08
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
Process for producing ejection orifice forming member and liquid ejection head Grant 8,753,800 - Uohashi , et al. June 17, 2	2014-06-17
Manufacturing Method Of Liquid Discharging Head App 20140151336 - Sasaki; Koji ; et al.	2014-06-05
Process For Producing Liquid Ejection Head App 20140068940 - Asai; Kazuhiro ; et al.	2014-03-13
Method Of Manufacturing Substrate Of Liquid Ejection Head App 20140024148 - Shimoyama; Hiroyuki ; et al.	2014-01-23
Method For Processing Silicon Wafer App 20140004629 - Fujita; Hirohisa ; et al.	2014-01-02
Process For Producing Ejection Orifice Forming Member And Liquid Ejection Head App 20130330673 - Uohashi; Kunihito ; et al.	2013-12-12
Liquid composition, method of producing silicon substrate, and method of producing liquid discharge head substrate Grant 8,492,281 - Abo , et al. July 23, 2	2013-07-23
Method for manufacturing recording head Grant 8,481,249 - Matsumoto , et al. July 9, 2	2013-07-09
Processing Method For An Ink Jet Head Substrate App 20130161286 - Furusawa; Kenta ; et al.	2013-06-27
Method of producing liquid discharge head Grant 8,438,729 - Ibe , et al. May 14, 2	2013-05-14
Method of manufacturing liquid discharge head Grant 8,429,820 - Koyama , et al. April 30, 2	2013-04-30
Method For Manufacturing Inkjet Recording Head App 20130097861 - Fujita; Hirohisa ; et al.	2013-04-25
Method of manufacturing a substrate for a liquid discharge head Grant 8,377,828 - Matsumoto , et al. February 19, 2	2013-02-19
Method For Manufacturing Recording Head App 20130017496 - Matsumoto; Keiji ; et al.	2013-01-17
Method For Producing Liquid-discharge-head Substrate App 20120329181 - Murakami; Ryotaro ; et al.	2012-12-27
Method for producing liquid discharge head Grant 8,329,047 - Nagami , et al. December 11, 2	2012-12-11
Liquid Composition, Method Of Producing Silicon Substrate, And Method Of Producing Liquid Discharge Head Substrate App 20120289055 - Abo; Hiroyuki ; et al.	2012-11-15
Method of manufacturing a liquid discharge head Grant 8,286,350 - Takahashi , et al. October 16, 2	2012-10-16
Ink jet recording head and manufacturing method therefor Grant 8,267,503 - Koyama , et al. September 18, 2	2012-09-18
Method of manufacturing liquid discharge head Grant 8,241,540 - Watanabe , et al. August 14, 2	2012-08-14
Printer, Print System And Printing Method App 20120105566 - Ishii; Hiroyasu ; et al.	2012-05-03
Method Of Manufacturing Substrate For Liquid Discharge Head App 20120097637 - Watanabe; Keiji ; et al.	2012-04-26
Processing Method Of Silicon Substrate And Process For Producing Liquid Ejection Head App 20120088317 - Kishimoto; Keisuke ; et al.	2012-04-12
Method Of Producing Liquid Ejection Head App 20120055022 - Matsumoto; Keiji ; et al.	2012-03-08
Liquid ejection head and method for manufacturing liquid ejection head Grant 8,128,204 - Ozaki , et al. March 6, 2	2012-03-06
Method Of Manufacturing Liquid Discharge Head App 20120047738 - Koyama; Shuji ; et al.	2012-03-01
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
Liquid Composition, Method Of Producing Silicon Substrate, And Method Of Producing Liquid Discharge Head Substrate App 20110183448 - Abo; Hiroyuki ; et al.	2011-07-28
Liquid Ejection Head And Method For Manufacturing Liquid Ejection Head App 20110107598 - Ozaki; Noriyasu ; et al.	2011-05-12
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
Method of manufacturing ink jet recording head Grant 7,930,824 - Ohsumi , et al. April 26, 2	2011-04-26
Printer And Data Updating Method App 20110080611 - Komatsu; Tadahiro ; et al.	2011-04-07
Ink jet recording head with ink filter formed of a plurality of stacked films Grant 7,901,064 - Urayama , et al. March 8, 2	2011-03-08
Liquid ejection head and method for manufacturing liquid ejection head Grant 7,891,784 - Ozaki , et al. February 22, 2	2011-02-22
Method of manufacturing ink jet recording head, ink jet cartridge Grant 7,862,158 - Fujii , et al. January 4, 2	2011-01-04
Ink jet recording head and method of manufacturing the same Grant 7,828,419 - Ikegame , et al. November 9, 2	2010-11-09
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
Method Of Manufacturing A Substrate For A Liquid Discharge Head App 20100216264 - Matsumoto; Keiji ; et al.	2010-08-26
Liquid Discharge Head And Manufacturing Method Thereof App 20100212159 - Takahashi; Tsuyoshi ; et al.	2010-08-26
Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge Grant 7,753,502 - Fujii , et al. July 13, 2	2010-07-13
Method For Producing Liquid Discharge Head App 20100147793 - Nagami; Tadanobu ; et al.	2010-06-17
Liquid discharge head and method of producing the same Grant 7,735,961 - Koyama , et al. June 15, 2	2010-06-15
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
Method Of Manufacturing Liquid Discharge Head App 20100102473 - Watanabe; Masahisa ; et al.	2010-04-29
Method Of Manufacturing Ink Jet Recording Head App 20090183368 - OHSUMI; Masaki ; et al.	2009-07-23
Method of manufacturing ink jet recording head Grant 7,523,553 - Ohsumi , et al. April 28, 2	2009-04-28
Liquid discharge recording head and method for manufacturing same Grant 7,475,966 - Fujii , et al. January 13, 2	2009-01-13
Method for manufacturing liquid ejection head, substrate for liquid ejection head, and liquid ejection head Grant 7,470,375 - Koyama , et al. December 30, 2	2008-12-30
Method of manufacturing substrate for ink jet recording head and method of manufacturing recording head using substrate manufactured by this method Grant 7,452,474 - Komuro , et al. November 18, 2	2008-11-18
Liquid Ejection Head And Method For Manufacturing Liquid Ejection Head App 20080180486 - Ozaki; Noriyasu ; et al.	2008-07-31
Method for producing ink-jet recording head having filter, ink-jet recording head, substrate for recording head, and ink-jet cartridge Grant 7,377,625 - Koyama , et al. May 27, 2	2008-05-27
Ink Jet Recording Head And Manufacturing Method Therefor App 20080094454 - Koyama; Shuji ; et al.	2008-04-24
Ink Jet Recording Head And Method Of Manufacturing The Same App 20080074470 - Ikegame; Ken ; et al.	2008-03-27
Method for producing an ink jet head Grant 7,322,104 - Koyama , et al. January 29, 2	2008-01-29
Method Of Manufacturing Ink Jet Recording Head, Ink Jet Recording Head, And Ink Jet Cartridge App 20070295687 - Fujii; Kenji ; et al.	2007-12-27
Method Of Manufacturing Ink Jet Recording Head, Ink Jet Recording Head, And Ink Jet Cartridge App 20070289942 - FUJII; KENJI ; et al.	2007-12-20
Method of manufacturing liquid discharge head Grant 7,300,596 - Murayama , et al. November 27, 2	2007-11-27
Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge Grant 7,287,847 - Fujii , et al. October 30, 2	2007-10-30
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
Liquid Discharge Head And Producing Method Therefor App 20070211115 - IBE; Satoshi ; 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
Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate Grant 7,255,418 - Koyama , et al. August 14, 2	2007-08-14
Method Of Manufacturing Ink Jet Recording Head App 20070178248 - OHSUMI; Masaki ; et al.	2007-08-02
Ink Jet Recording Head And Manufacturing Method Thereof App 20070176990 - Urayama; Yoshinobu ; et al.	2007-08-02
Liquid Discharge Head And Method Of Producing The Same App 20070091147 - Koyama; Shuji ; et al.	2007-04-26
Method of manufacturing liquid discharge head App 20070017894 - Murayama; Hiroyuki ; et al.	2007-01-25
Liquid discharge recording head and method for manufacturing same App 20060098055 - Fujii; Kenji ; et al.	2006-05-11
Method for manufacturing liquid ejection head, substrate for liquid ejection head, and liquid ejection head App 20060090338 - Koyama; Shuji ; et al.	2006-05-04
Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate App 20060085981 - Koyama; Shuji ; et al.	2006-04-27
Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate Grant 7,001,010 - Koyama , et al. February 21, 2	2006-02-21
Ink jet recording head producing method, ink jet recording head, and substrate for ink jet recording head App 20050285905 - Koyama, Shuji ; et al.	2005-12-29
Method for producing ink-jet recording head, ink-jet recording head, substrate for recording head, and ink-jet cartridge App 20050285916 - Koyama, Shuji ; et al.	2005-12-29
Method of manufacturing substrate for ink jet recording head and method of manufacturing recording head using substrate manufactured by this method App 20050248623 - Komuro, Hirokazu ; et al.	2005-11-10
Liquid discharge head and method of manufacturing the same Grant 6,908,564 - Koyama , et al. June 21, 2	2005-06-21
Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge App 20050117005 - Fujii, Kenji ; et al.	2005-06-02
Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate App 20050088478 - Koyama, Shuji ; et al.	2005-04-28
Laser process for making a filter for an ink jet Grant RE38,710 - Goto , et al. March 15, 2	2005-03-15
Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate Grant 6,858,152 - Koyama , et al. February 22, 2	2005-02-22
Liquid discharge head, a substrate for use of such head and a method of manufacture therefor Grant 6,834,943 - Mihara , et al. December 28, 2	2004-12-28
Liquid ejection head and method of manufacturing the liquid ejection head Grant 6,752,489 - Ohashi , et al. June 22, 2	2004-06-22
Liquid discharge head and producing method therefor Grant 6,659,588 - Ikegame , et al. December 9, 2	2003-12-09
Ink-jet head substrate, ink-jet head and ink-jet recording apparatus Grant 6,644,790 - Ozaki , et al. November 11, 2	2003-11-11
Liquid discharge head and method of manufacturing the same App 20030197763 - Koyama, Shuji ; et al.	2003-10-23
Ink jet recording head, method for producing the same and recording apparatus equipped with the same Grant 6,609,783 - Koyama , et al. August 26, 2	2003-08-26
Ink jet head substrate, ink jet head, method for manufacturing ink jet head substrate, method for manufacturing ink jet head, method for using ink jet head and ink jet recording apparatus Grant 6,530,650 - Ozaki , et al. March 11, 2	2003-03-11
Method for manufacturing liquid discharge head, substrate for liquid discharge head and method for working substrate App 20030038108 - Koyama, Shuji ; et al.	2003-02-27
Liquid discharge head and producing method therefor App 20030030698 - Ikegame, Ken ; et al.	2003-02-13
Liquid discharge head, a substrate for use of such head and a method of manufacture therefor App 20020093553 - Mihara, Hiroaki ; et al.	2002-07-18
Liquid ejection head and method of manufacturing the liquid ejection head App 20020075357 - Ohashi, Tetsuya ; et al.	2002-06-20
Method for manufacturing orifice plate and liquid discharge head Grant 6,397,466 - Koyama , et al. June 4, 2	2002-06-04
Liquid discharge head, producing method therefor and liquid discharge apparatus Grant 6,378,993 - Ozaki , et al. April 30, 2	2002-04-30
Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head App 20020047873 - Imanaka, Yoshiyuki ; et al.	2002-04-25
Method For Producing Liquid Ejecting Head And Liquid Ejecting Head Obtained By The Same Method App 20020036675 - YOSHIHIRA, AYA ; et al.	2002-03-28
Ink jet head substrate, ink jet head, method for manufacturing ink jet head substrate, method for manufacturing ink jet head, method for using ink jet head and ink jet recording apparatus App 20020024564 - Ozaki, Teruo ; et al.	2002-02-28
Ink-jet head substrate, ink-jet head and ink-jet recording apparatus App 20020024565 - Ozaki, Teruo ; et al.	2002-02-28
Liquid Discharging Head, Method For Manufacturing Such Liquid Discharging Head, Head Cartridge And Liquid Discharging Apparatus App 20020001019 - KUDO, KIYOMITSU ; et al.	2002-01-03
Printing Head, Printing Method And Apparatus Using Same, And Apparatus And Method For Correcting Said Printing Head App 20020001008 - IMANAKA, YOSHIYUKI ; et al.	2002-01-03
Liquid ejecting head and method in which a movable member is provided between flow paths, one path joining a common chamber and ejection orifice, the other, having a heat generating element Grant 6,331,050 - Nakata , et al. December 18, 2	2001-12-18
Method for manufacturing an orifice plate for use of a liquid discharge, an orifice plate, a liquid discharge provided with such orifice plate, and a method for manufacturing such liquid discharge Grant 6,328,420 - Koyama , et al. December 11, 2	2001-12-11
Liquid discharge head having movable member with corrosion-resistant coating and method of manufacture therefor Grant 6,273,556 - Ishinaga , et al. August 14, 2	2001-08-14
Detection of a discharge state of ink in an ink discharge recording head Grant 6,264,302 - Imanaka , et al. July 24, 2	2001-07-24
Ink jet printing head, manufacturing method therefor, and ink jet printing apparatus Grant 6,180,018 - Miyagawa , et al. January 30, 2	2001-01-30
Ink jet recording apparatus Grant 6,168,254 - Karita , et al. January 2, 2	2001-01-02
Liquid discharging head, head cartridge and liquid discharge apparatus Grant 5,992,984 - Imanaka , et al. November 30, 1	1999-11-30
Laser process for making a filter for an ink jet Grant 5,940,957 - Goto , et al. August 24, 1	1999-08-24
Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink Grant 5,491,505 - Suzuki , et al. February 13, 1	1996-02-13
Method for manufacturing an ink jet head having an improved discharging port surface Grant 5,443,687 - Koyama , et al. August 22, 1	1995-08-22
Method for manufacturing ink jet head Grant 5,347,713 - Shibata , et al. September 20, 1	1994-09-20
Transfer printer with ribbon lock Grant 5,238,314 - Kitahara , et al. August 24, 1	1993-08-24
Transfer printer Grant 5,180,236 - Kitahara , et al. January 19, 1	1993-01-19
Recording head having multi-layer matrix wiring Grant 5,081,474 - Shibata , et al. January 14, 1	1992-01-14