Kenji Fujii

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Water leakage detection method, water leakage detection apparatus,...
- Patent number 11,624,675
- Issue date Apr 11, 2023
- Hitachi, Ltd.
- Satoru Hori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid ejecting head and method of manufacturing liquid ejecting head
- Patent number 11,110,706
- Issue date Sep 7, 2021
- Canon Kabushiki Kaisha
- Yusuke Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head
- Patent number 11,027,547
- Issue date Jun 8, 2021
- Canon Kabushiki Kaisha
- Yusuke Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head and method of manufacturing liquid ejection head
- Patent number 10,981,392
- Issue date Apr 20, 2021
- Canon Kabushiki Kaisha
- Toshiaki Kurosu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing substrate and semiconductor device
- Patent number 10,861,703
- Issue date Dec 8, 2020
- Canon Kabushiki Kaisha
- Hirohisa Fujita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing liquid discharge head
- Patent number 10,625,506
- Issue date Apr 21, 2020
- Canon Kabushiki Kaisha
- Kazuhiro Asai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing liquid ejection head
- Patent number 10,500,861
- Issue date Dec 10, 2019
- Canon Kabushiki Kaisha
- Kunihito Uohashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing liquid ejection head
- Patent number 10,442,201
- Issue date Oct 15, 2019
- Canon Kabushiki Kaisha
- Satoshi Ibe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head manufacturing method
- Patent number 10,343,406
- Issue date Jul 9, 2019
- Canon Kabushiki Kaisha
- Keiji Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing liquid ejection head
- Patent number 10,322,584
- Issue date Jun 18, 2019
- Canon Kabushiki Kaisha
- Jun Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head manufacturing method
- Patent number 10,286,668
- Issue date May 14, 2019
- Canon Kabushiki Kaisha
- Keiji Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing liquid discharge head
- Patent number 10,201,974
- Issue date Feb 12, 2019
- Canon Kabushiki Kaisha
- Jun Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head and method of producing the same
- Patent number 9,994,018
- Issue date Jun 12, 2018
- Canon Kabushiki Kaisha
- Seiichiro Yaginuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing liquid discharge head
- Patent number 9,919,526
- Issue date Mar 20, 2018
- Canon Kabushiki Kaisha
- Kazuhiro Asai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head and method of manufacturing the same
- Patent number 9,873,255
- Issue date Jan 23, 2018
- Canon Kabushiki Kaisha
- Koji Sasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing structure and method of manufacturing liqui...
- Patent number 9,809,027
- Issue date Nov 7, 2017
- Canon Kabushiki Kaisha
- Keiji Matsumoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing liquid ejection head
- Patent number 9,789,690
- Issue date Oct 17, 2017
- Canon Kabushiki Kaisha
- Masahisa Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge head and method of manufacturing the same
- Patent number 9,738,075
- Issue date Aug 22, 2017
- Canon Kabushiki Kaisha
- Masaki Ohsumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing substrate for liquid ejection head, substra...
- Patent number 9,308,721
- Issue date Apr 12, 2016
- Canon Kabushiki Kaisha
- Kunihito Uohashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for producing a semiconductor chip
- Patent number 9,266,330
- Issue date Feb 23, 2016
- Canon Kabushiki Kaisha
- Kenji Fujii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head
- Patent number 9,205,650
- Issue date Dec 8, 2015
- Canon Kabushiki Kaisha
- Seiichiro Yaginuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head
- Patent number 9,162,459
- Issue date Oct 20, 2015
- Canon Kabushiki Kaisha
- Masataka Nagai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for manufacturing liquid discharge head
- Patent number 9,090,067
- Issue date Jul 28, 2015
- Canon Kabushiki Kaisha
- Masaki Ohsumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording head and method for manufacturing the same
- Patent number 9,039,143
- Issue date May 26, 2015
- Canon Kabushiki Kaisha
- Mitsuru Chida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Manufacturing method of liquid discharge head
- Patent number 8,991,051
- Issue date Mar 31, 2015
- Canon Kabushiki Kaisha
- Shin Ishimatsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection head having structural modifications to film layers...
- Patent number 8,991,975
- Issue date Mar 31, 2015
- Canon Kabushiki Kaisha
- Yosuke Takagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing liquid discharge head
- Patent number 8,975,097
- Issue date Mar 10, 2015
- Canon Kabushiki Kaisha
- Masahisa Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of producing liquid ejection head
- Patent number 8,904,639
- Issue date Dec 9, 2014
- Canon Kabushiki Kaisha
- Keiji Matsumoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Storage system
- Patent number 8,650,374
- Issue date Feb 11, 2014
- Hitachi Ltd.
- Daisuke Kito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of making nozzle chip
- Patent number 8,580,483
- Issue date Nov 12, 2013
- Canon Kabushiki Kaisha
- Takanobu Manabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
WATER LEAKAGE DETECTION METHOD, WATER LEAKAGE DETECTION APPARATUS,...
- Publication number 20210215568
- Publication date Jul 15, 2021
- Hitachi, Ltd
- Satoru Hori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIQUID EJECTION HEAD
- Publication number 20200247119
- Publication date Aug 6, 2020
- Canon Kabushiki Kaisha
- Yusuke Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTING HEAD AND METHOD OF MANUFACTURING LIQUID EJECTING HEAD
- Publication number 20200079083
- Publication date Mar 12, 2020
- Canon Kabushiki Kaisha
- Yusuke Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING LIQUID EJECTION HEAD
- Publication number 20200009875
- Publication date Jan 9, 2020
- Canon Kabushiki Kaisha
- Toshiaki Kurosu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF MANUFACTURING SUBSTRATE AND SEMICONDUCTOR DEVICE
- Publication number 20190051533
- Publication date Feb 14, 2019
- Canon Kabushiki Kaisha
- Hirohisa Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID EJECTING HEAD
- Publication number 20180326723
- Publication date Nov 15, 2018
- Canon Kabushiki Kaisha
- Takanobu Manabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING LIQUID EJECTION HEAD
- Publication number 20180319165
- Publication date Nov 8, 2018
- Canon Kabushiki Kaisha
- Satoshi Ibe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD
- Publication number 20180154637
- Publication date Jun 7, 2018
- Canon Kabushiki Kaisha
- Kazuhiro Asai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING LIQUID EJECTION HEAD
- Publication number 20180043689
- Publication date Feb 15, 2018
- Canon Kabushiki Kaisha
- Kunihito Uohashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING LIQUID EJECTION HEAD
- Publication number 20170297336
- Publication date Oct 19, 2017
- Canon Kabushiki Kaisha
- Jun Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD MANUFACTURING METHOD
- Publication number 20170203569
- Publication date Jul 20, 2017
- Canon Kabushiki Kaisha
- Keiji Matsumoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD AND METHOD OF PRODUCING THE SAME
- Publication number 20170028730
- Publication date Feb 2, 2017
- Canon Kabushiki Kaisha
- Seiichiro Yaginuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING LIQUID EJECTION HEAD
- Publication number 20160347065
- Publication date Dec 1, 2016
- Canon Kabushiki Kaisha
- Masahisa Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160311222
- Publication date Oct 27, 2016
- Canon Kabushiki Kaisha
- Koji Sasaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PROCESS FOR PRODUCING LIQUID DISCHARGE HEAD
- Publication number 20160271949
- Publication date Sep 22, 2016
- Canon Kabushiki Kaisha
- Jun Yamamuro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE HEAD AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160059553
- Publication date Mar 3, 2016
- Canon Kabushiki Kaisha
- Masaki Ohsumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF MANUFACTURING STRUCTURE AND METHOD OF MANUFACTURING LIQUI...
- Publication number 20150197092
- Publication date Jul 16, 2015
- Canon Kabushiki Kaisha
- Keiji Matsumoto
- B32 - LAYERED PRODUCTS
Information Patent Application
LIQUID EJECTION HEAD
- Publication number 20150151543
- Publication date Jun 4, 2015
- Canon Kabushiki Kaisha
- Seiichiro Yaginuma
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD
- Publication number 20150151544
- Publication date Jun 4, 2015
- Canon Kabushiki Kaisha
- Kazuhiro Asai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD
- Publication number 20150129542
- Publication date May 14, 2015
- Canon Kabushiki Kaisha
- Masaki Ohsumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF MANUFACTURING SUBSTRATE FOR LIQUID EJECTION HEAD, SUBSTRA...
- Publication number 20150130874
- Publication date May 14, 2015
- Canon Kabushiki Kaisha
- Kunihito Uohashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MANUFACTURING METHOD OF LIQUID EJECTION HEAD
- Publication number 20150010868
- Publication date Jan 8, 2015
- Canon Kabushiki Kaisha
- Kenji Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD
- Publication number 20150004724
- Publication date Jan 1, 2015
- Canon Kabushiki Kaisha
- Masahisa Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD
- Publication number 20140313261
- Publication date Oct 23, 2014
- Canon Kabushiki Kaisha
- Masataka NAGAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK JET RECORDING HEAD AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20140292937
- Publication date Oct 2, 2014
- Mitsuru Chida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PROCESS FOR PRODUCING A SEMICONDUCTOR CHIP
- Publication number 20140212998
- Publication date Jul 31, 2014
- Canon Kabushiki Kaisha
- Kenji Fujii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME
- Publication number 20140035997
- Publication date Feb 6, 2014
- Canon Kabushiki Kaisha
- Yosuke Takagi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MANUFACTURING METHOD OF LIQUID DISCHARGE HEAD
- Publication number 20130152391
- Publication date Jun 20, 2013
- Canon Kabushiki Kaisha
- Shin Ishimatsu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF MAKING NOZZLE CHIP
- Publication number 20130149648
- Publication date Jun 13, 2013
- Canon Kabushiki Kaisha
- Takanobu Manabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD OF PRODUCING LIQUID EJECTION HEAD
- Publication number 20120055022
- Publication date Mar 8, 2012
- Canon Kabushiki Kaisha
- Keiji Matsumoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Kenji Fujii

Person

Patents Grantslast 30 patents

Water leakage detection method, water leakage detection apparatus,...

Liquid ejecting head and method of manufacturing liquid ejecting head

Liquid ejection head

Liquid ejection head and method of manufacturing liquid ejection head

Method of manufacturing substrate and semiconductor device

Method for manufacturing liquid discharge head

Method for manufacturing liquid ejection head

Method for manufacturing liquid ejection head

Liquid ejection head manufacturing method

Method for manufacturing liquid ejection head

Liquid ejection head manufacturing method

Process for producing liquid discharge head

Liquid ejection head and method of producing the same

Method for manufacturing liquid discharge head

Liquid ejection head and method of manufacturing the same

Method of manufacturing structure and method of manufacturing liqui...

Method for manufacturing liquid ejection head

Liquid discharge head and method of manufacturing the same

Method of manufacturing substrate for liquid ejection head, substra...

Process for producing a semiconductor chip

Liquid ejection head

Liquid ejection head

Method for manufacturing liquid discharge head

Ink jet recording head and method for manufacturing the same

Manufacturing method of liquid discharge head

Liquid ejection head having structural modifications to film layers...

Method of manufacturing liquid discharge head

Method of producing liquid ejection head

Storage system

Method of making nozzle chip

Patents Applicationslast 30 patents

WATER LEAKAGE DETECTION METHOD, WATER LEAKAGE DETECTION APPARATUS,...

LIQUID EJECTION HEAD

LIQUID EJECTING HEAD AND METHOD OF MANUFACTURING LIQUID EJECTING HEAD

LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING LIQUID EJECTION HEAD

METHOD OF MANUFACTURING SUBSTRATE AND SEMICONDUCTOR DEVICE

LIQUID EJECTING HEAD

METHOD FOR MANUFACTURING LIQUID EJECTION HEAD

METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD

METHOD FOR MANUFACTURING LIQUID EJECTION HEAD

METHOD FOR MANUFACTURING LIQUID EJECTION HEAD

LIQUID EJECTION HEAD MANUFACTURING METHOD

LIQUID EJECTION HEAD AND METHOD OF PRODUCING THE SAME

METHOD FOR MANUFACTURING LIQUID EJECTION HEAD

LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME

PROCESS FOR PRODUCING LIQUID DISCHARGE HEAD

LIQUID DISCHARGE HEAD AND METHOD OF MANUFACTURING THE SAME

METHOD OF MANUFACTURING STRUCTURE AND METHOD OF MANUFACTURING LIQUI...

LIQUID EJECTION HEAD

METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD

METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD

METHOD OF MANUFACTURING SUBSTRATE FOR LIQUID EJECTION HEAD, SUBSTRA...

MANUFACTURING METHOD OF LIQUID EJECTION HEAD

METHOD OF MANUFACTURING LIQUID DISCHARGE HEAD

LIQUID EJECTION HEAD

INK JET RECORDING HEAD AND METHOD FOR MANUFACTURING THE SAME

PROCESS FOR PRODUCING A SEMICONDUCTOR CHIP

LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING THE SAME

MANUFACTURING METHOD OF LIQUID DISCHARGE HEAD

METHOD OF MAKING NOZZLE CHIP

METHOD OF PRODUCING LIQUID EJECTION HEAD