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Koji SUMI
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Shiojiri, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid ejecting apparatus and method of driving liquid ejecting head
Patent number
11,731,417
Issue date
Aug 22, 2023
Seiko Epson Corporation
Toshihiro Shimizu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head
Patent number
11,571,891
Issue date
Feb 7, 2023
Seiko Epson Corporation
Harunobu Koike
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric device, liquid ejecting head, and liquid ejecting app...
Patent number
11,485,137
Issue date
Nov 1, 2022
Seiko Epson Corporation
Toshihiro Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric element, piezoelectric element application device, an...
Patent number
11,417,828
Issue date
Aug 16, 2022
Seiko Epson Corporation
Tomohiro Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric element, method for manufacturing the same, and piezo...
Patent number
11,374,162
Issue date
Jun 28, 2022
Seiko Epson Corporation
Koji Sumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Liquid discharge head and printer
Patent number
11,173,715
Issue date
Nov 16, 2021
Seiko Epson Corporation
Harunobu Koike
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge head and printer
Patent number
11,135,844
Issue date
Oct 5, 2021
Seiko Epson Corporation
Motoki Takabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric element and piezoelectric element-applied device
Patent number
10,937,942
Issue date
Mar 2, 2021
Seiko Epson Corporation
Kazuya Kitada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric element and liquid ejecting head
Patent number
10,608,165
Issue date
Mar 31, 2020
Seiko Epson Corportion
Tomohiro Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vibrating plate structure and piezoelectric element application device
Patent number
10,600,951
Issue date
Mar 24, 2020
Seiko Epson Corporation
Koji Sumi
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Piezoelectric element and liquid ejection head
Patent number
10,580,958
Issue date
Mar 3, 2020
Seiko Epson Corporation
Koji Sumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric material, method of manufacturing the same, piezoelec...
Patent number
10,427,981
Issue date
Oct 1, 2019
Seiko Epson Corporation
Koji Sumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Piezoelectric element, piezoelectric element application device, an...
Patent number
10,355,196
Issue date
Jul 16, 2019
Seiko Epson Corporation
Tomohiro Sakai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric element and device including the same
Patent number
10,297,742
Issue date
May 21, 2019
Seiko Epson Corporation
Koji Sumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric element and piezoelectric element applied device
Patent number
10,243,137
Issue date
Mar 26, 2019
Seiko Epson Corporation
Tomohiro Sakai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric element and piezoelectric element applied device
Patent number
10,186,652
Issue date
Jan 22, 2019
Seiko Epson Corporation
Tomohiro Sakai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric element and piezoelectric element applied device
Patent number
10,181,555
Issue date
Jan 15, 2019
Seiko Epson Corporation
Kazuya Kitada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection head and liquid ejection apparatus
Patent number
10,059,101
Issue date
Aug 28, 2018
Seiko Epson Corporation
Eiju Hirai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection head and liquid ejection apparatus
Patent number
9,498,952
Issue date
Nov 22, 2016
Seiko Epson Corporation
Eiju Hirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric material, piezoelectric element, liquid ejecting head...
Patent number
9,324,933
Issue date
Apr 26, 2016
Seiko Epson Corporation
Koji Sumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Piezoelectric material, piezoelectric element, liquid ejecting head...
Patent number
9,276,193
Issue date
Mar 1, 2016
Seiko Epson Corporation
Koji Sumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Piezoelectric material, piezoelectric element, liquid ejecting head...
Patent number
9,190,601
Issue date
Nov 17, 2015
Seiko Epson Corporation
Koji Sumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Liquid ejection head and liquid ejection apparatus
Patent number
9,144,977
Issue date
Sep 29, 2015
Seiko Epson Corporation
Eiju Hirai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of manufacturing liquid ejecting head, liquid ejecting appar...
Patent number
8,764,167
Issue date
Jul 1, 2014
Seiko Epson Corporation
Kazuya Kitada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejection head and liquid ejection apparatus
Patent number
8,727,510
Issue date
May 20, 2014
Seiko Epson Corporation
Eiju Hirai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejecting head, liquid ejecting apparatus, and actuator
Patent number
8,459,767
Issue date
Jun 11, 2013
Seiko Epson Corporation
Koji Sumi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid ejecting head, liquid ejecting apparatus, and actuator
Patent number
8,317,304
Issue date
Nov 27, 2012
Seiko Epson Corporation
Koji Sumi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid-ejecting head, liquid-ejecting apparatus, and actuator
Patent number
8,277,031
Issue date
Oct 2, 2012
Seiko Epson Corporation
Koji Sumi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric element and method for manufacturing the same, liquid...
Patent number
8,147,041
Issue date
Apr 3, 2012
Seiko Epson Corporation
Akira Kuriki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of manufacturing dielectric layer and method of manufacturin...
Patent number
8,003,161
Issue date
Aug 23, 2011
Seiko Epson Corporation
Akira Kuriki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Method For Producing Piezoelectric Actuator
Publication number
20220263010
Publication date
Aug 18, 2022
SEIKO EPSON CORPORATION
Harunobu KOIKE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Liquid Discharge Head
Publication number
20210276329
Publication date
Sep 9, 2021
SEIKO EPSON CORPORATION
Harunobu KOIKE
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTING APPARATUS AND METHOD OF DRIVING LIQUID EJECTING HEAD
Publication number
20210162744
Publication date
Jun 3, 2021
SEIKO EPSON CORPORATION
Toshihiro SHIMIZU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC DEVICE, LIQUID EJECTING HEAD, AND LIQUID EJECTING APP...
Publication number
20210162761
Publication date
Jun 3, 2021
SEIKO EPSON CORPORATION
Toshihiro SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for Producing Piezoelectric Actuator
Publication number
20210167276
Publication date
Jun 3, 2021
SEIKO EPSON CORPORATION
Harunobu KOIKE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
LIQUID DISCHARGE HEAD AND PRINTER
Publication number
20200331268
Publication date
Oct 22, 2020
SEIKO EPSON CORPORATION
Motoki TAKABE
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE HEAD AND PRINTER
Publication number
20200307216
Publication date
Oct 1, 2020
SEIKO EPSON CORPORATION
Harunobu KOIKE
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT APPLICATION DEVICE, AN...
Publication number
20200035905
Publication date
Jan 30, 2020
SEIKO EPSON CORPORATION
Tomohiro SAKAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND LIQUID EJECTING HEAD
Publication number
20190198750
Publication date
Jun 27, 2019
SEIKO EPSON CORPORATION
Tomohiro SAKAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND LIQUID EJECTION HEAD
Publication number
20190181328
Publication date
Jun 13, 2019
SEIKO EPSON CORPORATION
Koji SUMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT, METHOD FOR MANUFACTURING THE SAME, AND PIEZO...
Publication number
20190019941
Publication date
Jan 17, 2019
SEIKO EPSON CORPORATION
Koji SUMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Piezoelectric Element And Piezoelectric Element-Applied Device
Publication number
20180287048
Publication date
Oct 4, 2018
SEIKO EPSON CORPORATION
Kazuya KITADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC ELEMENT APPLIED DEVICE
Publication number
20180233656
Publication date
Aug 16, 2018
SEIKO EPSON CORPORATION
Kazuya KITADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC ELEMENT DEVICE
Publication number
20180175277
Publication date
Jun 21, 2018
SEIKO EPSON CORPORATION
Kazuya KITADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND DEVICE INCLUDING THE SAME
Publication number
20180138393
Publication date
May 17, 2018
SEIKO EPSON CORPORATION
Koji SUMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC MATERIAL, METHOD OF MANUFACTURING THE SAME, PIEZOELEC...
Publication number
20170313625
Publication date
Nov 2, 2017
SEIKO EPSON CORPORATION
Koji SUMI
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
PIEZOELECTRIC MATERIAL, METHOD OF MANUFACTURING THE SAME, PIEZOELEC...
Publication number
20170309810
Publication date
Oct 26, 2017
SEIKO EPSON CORPORATION
Koji SUMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT APPLICATION DEVICE, AN...
Publication number
20170229637
Publication date
Aug 10, 2017
SEIKO EPSON CORPORATION
Tomohiro SAKAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
VIBRATING PLATE STRUCTURE AND PIEZOELECTRIC ELEMENT APPLICATION DEVICE
Publication number
20170179368
Publication date
Jun 22, 2017
SEIKO EPSON CORPORATION
Koji SUMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC ELEMENT APPLIED DEVICE
Publication number
20170062693
Publication date
Mar 2, 2017
SEIKO EPSON CORPORATION
Tomohiro SAKAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND PIEZOELECTRIC ELEMENT APPLIED DEVICE
Publication number
20170062697
Publication date
Mar 2, 2017
SEIKO EPSON CORPORATION
Tomohiro SAKAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS
Publication number
20170036446
Publication date
Feb 9, 2017
SEIKO EPSON CORPORATION
Eiju HIRAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT APPLICATION DEVICE, AN...
Publication number
20160284969
Publication date
Sep 29, 2016
SEIKO EPSON CORPORATION
Koji SUMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ELEMENT APPLYING DEVICE, AND M...
Publication number
20160276572
Publication date
Sep 22, 2016
SEIKO EPSON CORPORATION
Koji SUMI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS
Publication number
20160075137
Publication date
Mar 17, 2016
SEIKO EPSON CORPORATION
Eiju HIRAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS
Publication number
20150367643
Publication date
Dec 24, 2015
SEIKO EPSON CORPORATION
Eiju HIRAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS
Publication number
20150085024
Publication date
Mar 26, 2015
SEIKO EPSON CORPORATION
Eiju HIRAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD...
Publication number
20150002584
Publication date
Jan 1, 2015
SEIKO EPSON CORPORATION
Koji SUMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD...
Publication number
20150002585
Publication date
Jan 1, 2015
SEIKO EPSON CORPORATION
Koji SUMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, LIQUID EJECTING HEAD...
Publication number
20150002586
Publication date
Jan 1, 2015
SEIKO EPSON CORPORATION
Koji SUMI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS