Yoshiyuki Shimizu

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner cartridge including a protrusion protruding from a center of...
- Patent number 11,506,994
- Issue date Nov 22, 2022
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge including a protrusion protruding from a center of...
- Patent number 11,231,663
- Issue date Jan 25, 2022
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Display device, drive voltage setting method, and computer program
- Patent number 11,151,957
- Issue date Oct 19, 2021
- SAKAI DISPLAY PRODUCTS CORPORATION
- Yoshiyuki Shimizu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device with two gate drive circuits and gate slope forming...
- Patent number 10,916,212
- Issue date Feb 9, 2021
- SAKAI DISPLAY PRODUCTS CORPORATION
- Yoshiyuki Shimizu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Developer container for image forming apparatus
- Patent number 10,816,914
- Issue date Oct 27, 2020
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Downsized developer container with higher degree of freedom
- Patent number 10,558,145
- Issue date Feb 11, 2020
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 10,295,933
- Issue date May 21, 2019
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container including a convex portion, a rotator, and a re...
- Patent number 10,175,607
- Issue date Jan 8, 2019
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 9,696,657
- Issue date Jul 4, 2017
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, developing device, process unit, and image formin...
- Patent number 9,658,574
- Issue date May 23, 2017
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Relay apparatus controlling signal channel selection
- Patent number 9,307,189
- Issue date Apr 5, 2016
- Pioneer Digital Design and Manufacturing Corporation
- Yasuhiro Rin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 9,280,130
- Issue date Mar 8, 2016
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process unit including a rotatable shaft along a driving force vect...
- Patent number 9,268,300
- Issue date Feb 23, 2016
- Ricoh Company, Ltd.
- Yoshiyuki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, developing unit, process unit, and image forming...
- Patent number 9,239,565
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 9,176,419
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developer container, developing device,...
- Patent number 9,141,028
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and powder transport unit
- Patent number 9,069,284
- Issue date Jun 30, 2015
- Ricoh Company, Ltd.
- Yoshiyuki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer amount detector, image forming apparatus incorporating sa...
- Patent number 9,042,745
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container
- Patent number D724655
- Issue date Mar 17, 2015
- Ricoh Company, Ltd.
- Tomohiro Kubota
- D18 - Printing and office machinery
Information Patent Grant
Powder container
- Patent number D723099
- Issue date Feb 24, 2015
- Ricoh Company, Ltd.
- Tomohiro Kubota
- D18 - Printing and office machinery
Information Patent Grant
Shutter assembly, powder container, cleaning device, and image form...
- Patent number 8,903,283
- Issue date Dec 2, 2014
- Ricoh Company, Ltd.
- Manabu Hamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer amount detector, and developer container, development dev...
- Patent number 8,861,991
- Issue date Oct 14, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container
- Patent number D712463
- Issue date Sep 2, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- D18 - Printing and office machinery
Information Patent Grant
Developer container, development device, process unit, and image fo...
- Patent number 8,811,859
- Issue date Aug 19, 2014
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,805,214
- Issue date Aug 12, 2014
- Ricoh Company, Ltd.
- Masanari Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 8,792,808
- Issue date Jul 29, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, developer container, and image forming apparatus
- Patent number 8,774,683
- Issue date Jul 8, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of effectively utilizing interior s...
- Patent number 8,768,203
- Issue date Jul 1, 2014
- Ricoh Company, Ltd.
- Manabu Hamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 8,744,321
- Issue date Jun 3, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and control method therefor
- Patent number 8,712,310
- Issue date Apr 29, 2014
- Ricoh Company, Ltd.
- Yoshiyuki Shimizu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
TONER CARTRIDGE INCLUDING A PROTRUSION PROTRUDING FROM A CENTER OF...
- Publication number 20220107587
- Publication date Apr 7, 2022
- RICOH COMPANY, LTD.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISPLAY DEVICE, DRIVE VOLTAGE SETTING METHOD, AND COMPUTER PROGRAM
- Publication number 20210118398
- Publication date Apr 22, 2021
- Sakai Display Products Corporation
- YOSHIYUKI SHIMIZU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DEVELOPER CONTAINER FOR IMAGE FORMING APPARATUS
- Publication number 20210018862
- Publication date Jan 21, 2021
- RICOH COMPANY, LTD.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DOWNSIZED DEVELOPER CONTAINER WITH HIGHER DEGREE OF FREEDOM
- Publication number 20200125005
- Publication date Apr 23, 2020
- RICOH COMPANY, LTD.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISPLAY PANEL AND METHOD FOR DRIVING DISPLAY PANEL
- Publication number 20200043430
- Publication date Feb 6, 2020
- SAKAI DISPLAY PRODUCTS CORPORATION
- YOSHIYUKI SHIMIZU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FO...
- Publication number 20190250533
- Publication date Aug 15, 2019
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISPLAY DEVICE
- Publication number 20190251922
- Publication date Aug 15, 2019
- Sakai Display Products Corporation
- YOSHIYUKI SHIMIZU
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
METHOD FOR PRODUCING SHEET MATERIAL, AND METHOD FOR MIXING MIXED RA...
- Publication number 20190193385
- Publication date Jun 27, 2019
- KASAI KOGYO CO., LTD.
- Yoshiyuki SHIMIZU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20190094758
- Publication date Mar 28, 2019
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20170248870
- Publication date Aug 31, 2017
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMIN...
- Publication number 20160299455
- Publication date Oct 13, 2016
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20160139540
- Publication date May 19, 2016
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20160004208
- Publication date Jan 7, 2016
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RELAY APPARATUS
- Publication number 20150156451
- Publication date Jun 4, 2015
- Yasuhiro Rin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20140294449
- Publication date Oct 2, 2014
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT
- Publication number 20140232026
- Publication date Aug 21, 2014
- PANASONIC CORPORATION
- Toshiaki TAKANO
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT
- Publication number 20140225287
- Publication date Aug 14, 2014
- PANASONIC CORPORATION
- Yoshiyuki SHIMIZU
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT
- Publication number 20140208801
- Publication date Jul 31, 2014
- PANASONIC CORPORATION
- Toshiaki TAKANO
- G02 - OPTICS
Information Patent Application
POWDER CONTAINER, DEVELOPING UNIT, PROCESS UNIT, AND IMAGE FORMING...
- Publication number 20140153972
- Publication date Jun 5, 2014
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHUTTER ASSEMBLY, POWDER CONTAINER, CLEANING DEVICE, AND IMAGE FORM...
- Publication number 20140050507
- Publication date Feb 20, 2014
- Manabu HAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER CONTAINER, DEVELOPING DEVICE,...
- Publication number 20140050502
- Publication date Feb 20, 2014
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND POWDER TRANSPORT UNIT
- Publication number 20140029962
- Publication date Jan 30, 2014
- Yoshiyuki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20130266347
- Publication date Oct 10, 2013
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20130259532
- Publication date Oct 3, 2013
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS UNIT AND IMAGE FORMING APPARATUS
- Publication number 20130216264
- Publication date Aug 22, 2013
- Yoshiyuki SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME
- Publication number 20130141790
- Publication date Jun 6, 2013
- PANASONIC CORPORATION
- Yoshiyuki SHIMIZU
- G02 - OPTICS
Information Patent Application
DEVELOPER CONTAINER, DEVELOPMENT DEVICE, PROCESS UNIT, AND IMAGE FO...
- Publication number 20130028638
- Publication date Jan 31, 2013
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120230708
- Publication date Sep 13, 2012
- Masanari FUJITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME
- Publication number 20120212819
- Publication date Aug 23, 2012
- PANASONIC CORPORATION
- Toshiaki TAKANO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME
- Publication number 20120212818
- Publication date Aug 23, 2012
- PANASONIC CORPORATION
- Toshiaki TAKANO
- G02 - OPTICS

Yoshiyuki Shimizu

Person

Patents Grantslast 30 patents

Toner cartridge including a protrusion protruding from a center of...

Toner cartridge including a protrusion protruding from a center of...

Display device, drive voltage setting method, and computer program

Display device with two gate drive circuits and gate slope forming...

Developer container for image forming apparatus

Downsized developer container with higher degree of freedom

Developer container, developing device, process unit, and image for...

Developer container including a convex portion, a rotator, and a re...

Developer container, developing device, process unit, and image for...

Powder container, developing device, process unit, and image formin...

Relay apparatus controlling signal channel selection

Developer container, developing device, process unit, and image for...

Process unit including a rotatable shaft along a driving force vect...

Powder container, developing unit, process unit, and image forming...

Developer container, developing device, process unit, and image for...

Image forming apparatus and developer container, developing device,...

Image forming apparatus and powder transport unit

Developer amount detector, image forming apparatus incorporating sa...

Powder container

Powder container

Shutter assembly, powder container, cleaning device, and image form...

Developer amount detector, and developer container, development dev...

Powder container

Developer container, development device, process unit, and image fo...

Image forming apparatus

Developer container, developing device, process unit, and image for...

Development device, developer container, and image forming apparatus

Image forming apparatus capable of effectively utilizing interior s...

Developer container, developing device, process unit, and image for...

Image forming apparatus and control method therefor

Patents Applicationslast 30 patents

TONER CARTRIDGE INCLUDING A PROTRUSION PROTRUDING FROM A CENTER OF...

DISPLAY DEVICE, DRIVE VOLTAGE SETTING METHOD, AND COMPUTER PROGRAM

DEVELOPER CONTAINER FOR IMAGE FORMING APPARATUS

DOWNSIZED DEVELOPER CONTAINER WITH HIGHER DEGREE OF FREEDOM

DISPLAY PANEL AND METHOD FOR DRIVING DISPLAY PANEL

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FO...

DISPLAY DEVICE

METHOD FOR PRODUCING SHEET MATERIAL, AND METHOD FOR MIXING MIXED RA...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

POWDER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMIN...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

RELAY APPARATUS

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT

METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT

METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT

POWDER CONTAINER, DEVELOPING UNIT, PROCESS UNIT, AND IMAGE FORMING...

SHUTTER ASSEMBLY, POWDER CONTAINER, CLEANING DEVICE, AND IMAGE FORM...

IMAGE FORMING APPARATUS AND DEVELOPER CONTAINER, DEVELOPING DEVICE,...

IMAGE FORMING APPARATUS AND POWDER TRANSPORT UNIT

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

PROCESS UNIT AND IMAGE FORMING APPARATUS

DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME

DEVELOPER CONTAINER, DEVELOPMENT DEVICE, PROCESS UNIT, AND IMAGE FO...

IMAGE FORMING APPARATUS

DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME

DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME