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Akira Shimofuku
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Piezoelectric actuator, liquid discharge head, liquid discharge dev...
Patent number
12,076,990
Issue date
Sep 3, 2024
Ricoh Company, Ltd.
Akira Shimofuku
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Piezoelectric element substrate, bonded substrate, liquid discharge...
Patent number
11,145,803
Issue date
Oct 12, 2021
Ricoh Company, Ltd.
Akira Shimofuku
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electromechanical transducer element, method of producing the eleme...
Patent number
10,786,988
Issue date
Sep 29, 2020
Ricoh Company, Ltd.
Atsushi Takeuchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Precursor sol-gel solution, electromechanical transducer element, l...
Patent number
9,969,651
Issue date
May 15, 2018
Ricoh Company, Ltd.
Atsushi Takeuchi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
PZT precursor solution, method for producing PZT precursor solution...
Patent number
9,834,853
Issue date
Dec 5, 2017
Ricoh Company, Ltd.
Yoshikazu Akiyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Fabrication method of electromechanical transducer film, electromec...
Patent number
9,634,230
Issue date
Apr 25, 2017
Ricoh Company, Ltd.
Akira Shimofuku
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electro-mechanical transducer element, liquid droplet ejecting head...
Patent number
9,533,502
Issue date
Jan 3, 2017
Ricoh Company, Ltd.
Osamu Machida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fabrication method of electromechanical transducer film, fabricatio...
Patent number
9,537,085
Issue date
Jan 3, 2017
Ricoh Company, Ltd.
Akira Shimofuku
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacturing method of and manufacturing apparatus for metal oxide...
Patent number
9,512,521
Issue date
Dec 6, 2016
Ricoh Company, Ltd.
Akira Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of making liquid discharge head, liquid discharge head, liqu...
Patent number
9,202,717
Issue date
Dec 1, 2015
Ricoh Company, Ltd.
Atsushi Takeuchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming electromechanical transducer film, electromechani...
Patent number
9,085,145
Issue date
Jul 21, 2015
Ricoh Company, Ltd.
Akira Shimofuku
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Actuator, method of manufacturing the actuator, and liquid droplet...
Patent number
9,056,454
Issue date
Jun 16, 2015
Ricoh Company, Ltd.
Osamu Machida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electromechanical transducer element, liquid discharge head, liquid...
Patent number
8,960,866
Issue date
Feb 24, 2015
Ricoh Company, Ltd.
Osamu Machida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thin film forming apparatus, thin film forming method, electro-mech...
Patent number
8,911,063
Issue date
Dec 16, 2014
Ricoh Company, Ltd.
Yasuhiro Watanabe
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method of manufacturing electromechanical transducer element, elect...
Patent number
8,770,725
Issue date
Jul 8, 2014
Ricoh Company, Ltd.
Yasuhiro Watanabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming electromechanical transducer film, electromechani...
Patent number
8,727,509
Issue date
May 20, 2014
Ricoh Company, Ltd.
Akira Shimofuku
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of producing piezoelectric actuator
Patent number
8,713,768
Issue date
May 6, 2014
Ricoh Company, Ltd.
Yasuhiro Watanabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Sol-gel liquid, electromechanical conversion element, liquid discha...
Patent number
8,690,297
Issue date
Apr 8, 2014
Ricoh Company, Limited
Keiji Ueda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing electromechanical transducer, electromechanica...
Patent number
8,646,180
Issue date
Feb 11, 2014
Ricoh Company, Ltd.
Yoshikazu Akiyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Electromechanical transducer film and method for manufacturing elec...
Patent number
8,425,026
Issue date
Apr 23, 2013
Ricoh Company, Ltd.
Osamu Machida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical information recording medium, method of manufacturing the o...
Patent number
7,507,523
Issue date
Mar 24, 2009
Ricoh Company, Ltd.
Katsuyuki Yamada
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
PIEZOELECTRIC ACTUATOR, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEV...
Publication number
20220288933
Publication date
Sep 15, 2022
Akira SHIMOFUKU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ELECTROMECHANICAL TRANSDUCER ELEMENT, LIQUID DISCHARGE HEAD, LIQUID...
Publication number
20210086515
Publication date
Mar 25, 2021
Akira SHIMOFUKU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PIEZOELECTRIC ELEMENT SUBSTRATE, BONDED SUBSTRATE, LIQUID DISCHARGE...
Publication number
20210036208
Publication date
Feb 4, 2021
Akira SHIMOFUKU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ELECTROMECHANICAL TRANSDUCER ELEMENT, METHOD OF PRODUCING THE ELEME...
Publication number
20180117915
Publication date
May 3, 2018
Atsushi TAKEUCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PRECURSOR SOL-GEL SOLUTION, ELECTROMECHANICAL TRANSDUCER ELEMENT, L...
Publication number
20170362127
Publication date
Dec 21, 2017
RICOH COMPANY, LTD.
Atsushi TAKEUCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PZT PRECURSOR SOLUTION, METHOD FOR PRODUCING PZT PRECURSOR SOLUTION...
Publication number
20170211202
Publication date
Jul 27, 2017
RICOH COMPANY, LTD.
Yoshikazu AKIYAMA
C30 - CRYSTAL GROWTH
Information
Patent Application
ELECTRONIC DEVICE AND METHOD OF MANUFACTURING THE ELECTRONIC DEVICE
Publication number
20160221033
Publication date
Aug 4, 2016
Yoshikazu Akiyama
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
FABRICATION METHOD OF ELECTROMECHANICAL TRANSDUCER FILM, FABRICATIO...
Publication number
20160049579
Publication date
Feb 18, 2016
RICOH COMPANY, LTD.
Akira SHIMOFUKU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PRECURSOR SOL-GEL SOLUTION, ELECTROMECHANICAL TRANSDUCER ELEMENT, L...
Publication number
20150307403
Publication date
Oct 29, 2015
RICOH COMPANY, LTD.
Atsushi TAKEUCHI
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
FABRICATION METHOD OF ELECTROMECHANICAL TRANSDUCER FILM, ELECTROMEC...
Publication number
20150145924
Publication date
May 28, 2015
Akira SHIMOFUKU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ACTUATOR, METHOD OF MANUFACTURING THE ACTUATOR, AND LIQUID DROPLET...
Publication number
20140375728
Publication date
Dec 25, 2014
RICOH COMPANY, LTD.
Osamu MACHIDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ELECTRONIC DEVICE AND METHOD OF MANUFACTURING THE ELECTRONIC DEVICE
Publication number
20140340854
Publication date
Nov 20, 2014
Yoshikazu Akiyama
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
METHOD OF FORMING ELECTROMECHANICAL TRANSDUCER FILM, ELECTROMECHANI...
Publication number
20140210913
Publication date
Jul 31, 2014
RICOH COMPANY, LTD.
Akira Shimofuku
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ELECTRO-MECHANICAL TRANSDUCER ELEMENT, LIQUID DROPLET EJECTING HEAD...
Publication number
20140049582
Publication date
Feb 20, 2014
RICOH COMPANY, LTD.
Osamu Machida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
THIN FILM FORMING APPARATUS, THIN FILM FORMING METHOD, ELECTRO-MECH...
Publication number
20130194350
Publication date
Aug 1, 2013
RICOH COMPANY, LTD.
Yasuhiro Watanabe
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
ELECTROMECHANICAL TRANSDUCER ELEMENT, LIQUID DISCHARGE HEAD, LIQUID...
Publication number
20130176364
Publication date
Jul 11, 2013
RICOH COMPANY, LTD.
Osamu Machida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD OF MAKING LIQUID DISCHARGE HEAD, LIQUID DISCHARGE HEAD, LIQU...
Publication number
20130169713
Publication date
Jul 4, 2013
RICOH COMPANY, LTD.
Atsushi Takeuchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD OF MANUFACTURING ELECTROMECHANICAL TRANSDUCER ELEMENT, ELECT...
Publication number
20130070028
Publication date
Mar 21, 2013
RICOH COMPANY, LTD.
Yasuhiro Watanabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD OF FORMING ELECTROMECHANICAL TRANSDUCER FILM, ELECTROMECHANI...
Publication number
20120314007
Publication date
Dec 13, 2012
RICOH COMPANY, LTD.
Akira Shimofuku
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
MANUFACTURING METHOD OF AND MANUFACTURING APPARATUS FOR METAL OXIDE...
Publication number
20120276303
Publication date
Nov 1, 2012
Tohoku University
Akira WATANABE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PIEZOELECTRIC ACTUATOR, METHOD OF PRODUCING PIEZOELECTRIC ACTUATOR,...
Publication number
20120236084
Publication date
Sep 20, 2012
RICOH COMPANY, LTD.,
Yasuhiro WATANABE
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD FOR PRODUCING ELECTROMECHANICAL TRANSDUCER, ELECTROMECHANICA...
Publication number
20120038712
Publication date
Feb 16, 2012
Yoshikazu Akiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SOL-GEL LIQUID, ELECTROMECHANICAL CONVERSION ELEMENT, LIQUID DISCHA...
Publication number
20110205307
Publication date
Aug 25, 2011
Keiji UEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ELECTROMECHANICAL TRANSDUCER FILM AND METHOD FOR MANUFACTURING ELEC...
Publication number
20110175967
Publication date
Jul 21, 2011
RICOH COMPANY, LTD.
Osamu MACHIDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Recording apparatus and recording method
Publication number
20050105437
Publication date
May 19, 2005
Akira Shimofuku
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium with visible pattern formed in ROM area
Publication number
20040165523
Publication date
Aug 26, 2004
Akira Shimofuku
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium, method of manufacturing the o...
Publication number
20020110063
Publication date
Aug 15, 2002
Katsuyuki Yamada
G11 - INFORMATION STORAGE