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Hiroyuki KISHIDA
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Carrier for developing electrostatic latent image, two-component de...
Patent number
12,147,192
Issue date
Nov 19, 2024
Ricoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus, developer for electrophotographic image forma...
Patent number
11,934,145
Issue date
Mar 19, 2024
Ricoh Company, Ltd.
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer, method, and apparatus for forming electrophotog...
Patent number
11,106,150
Issue date
Aug 31, 2021
Ricoh Company, Ltd.
Masashi Nagayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent image, two-component de...
Patent number
10,915,035
Issue date
Feb 9, 2021
Ricoh Company, Ltd.
Haruki Murata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developer of electrostatic latent image, developer, and...
Patent number
10,254,674
Issue date
Apr 9, 2019
Ricoh Company, Ltd.
Masahiro Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer, image forming apparatus, developer stored unit,...
Patent number
10,234,783
Issue date
Mar 19, 2019
Ricoh Company, Ltd.
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus
Patent number
10,197,948
Issue date
Feb 5, 2019
Ricoh Company, Ltd.
Hitoshi Iwatsuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image developing white developer, image formin...
Patent number
10,067,438
Issue date
Sep 4, 2018
Ricoh Company, Ltd.
Yoshihiro Murasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, two-component developer, developer for replenishment, proc...
Patent number
10,054,868
Issue date
Aug 21, 2018
Ricoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent images, two-component d...
Patent number
9,989,874
Issue date
Jun 5, 2018
Ricoh Company, Ltd.
Yoshihiro Murasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, two-component developer, image forming apparatus, process...
Patent number
9,946,177
Issue date
Apr 17, 2018
Ricoh Company, Ltd.
Yoshihiro Murasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, two-component developer, supplemental developer, image for...
Patent number
9,519,234
Issue date
Dec 13, 2016
Ricoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing an electrostatic latent image, developer and...
Patent number
9,304,427
Issue date
Apr 5, 2016
Ricoh Company, Ltd.
Hitoshi Iwatsuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for two-component developer, two-component developer using...
Patent number
9,298,119
Issue date
Mar 29, 2016
Ricoh Company, Ltd.
Shigenori Yaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replenishing developer housing container and image forming apparatus
Patent number
9,261,817
Issue date
Feb 16, 2016
Ricoh Company, Ltd.
Hitoshi Iwatsuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for two-component developer, two-component developer using...
Patent number
9,229,347
Issue date
Jan 5, 2016
Ricoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent image, and electrostati...
Patent number
9,146,487
Issue date
Sep 29, 2015
Ricoh Company, Ltd.
Toyoshi Sawada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent image, tow-component de...
Patent number
8,916,325
Issue date
Dec 23, 2014
Ricoh Company, Ltd.
Shigenori Yaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, image forming apparatus, and process cartridge
Patent number
8,903,270
Issue date
Dec 2, 2014
Ricoh Company, Ltd.
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing method and image forming method
Patent number
8,877,418
Issue date
Nov 4, 2014
Ricoh Company, Ltd.
Hisashi Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device including a developer container with toner partic...
Patent number
8,787,804
Issue date
Jul 22, 2014
Ricoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer
Patent number
8,703,376
Issue date
Apr 22, 2014
Ricoh Company, Ltd.
Saori Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer, method of manufacturing carrier, developer cont...
Patent number
8,652,735
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact developing method, image forming apparatus, and process car...
Patent number
8,652,738
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent image and developer
Patent number
8,637,218
Issue date
Jan 28, 2014
Ricoh Company, Ltd.
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer
Patent number
8,546,055
Issue date
Oct 1, 2013
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developing electrostatic latent image, and two-componen...
Patent number
8,512,928
Issue date
Aug 20, 2013
Rocoh Company, Ltd.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-component developing method and developer used therefor
Patent number
8,385,790
Issue date
Feb 26, 2013
Ricoh Company, Limited
Mitsuo Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and image forming apparatus
Patent number
8,357,481
Issue date
Jan 22, 2013
Ricoh Company, Limited
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and image forming apparatus and image forming method using t...
Patent number
8,163,450
Issue date
Apr 24, 2012
Ricoh Company Limited
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CARRIER, DEVELOPER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
Publication number
20230205108
Publication date
Jun 29, 2023
RICOH COMPANY ,LTD.
Kaede MASUKO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING APPARATUS, DEVELOPER FOR ELECTROPHOTOGRAPHIC IMAGE FORMA...
Publication number
20230195004
Publication date
Jun 22, 2023
RICOH COMPANY, LTD.
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, DEVELOPER, IMAGE FOR...
Publication number
20220291604
Publication date
Sep 15, 2022
RICOH COMPANY, LTD.
Namie Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, TWO-COMPONENT DE...
Publication number
20220291603
Publication date
Sep 15, 2022
RICOH COMPANY, LTD.
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, DEVELOPER FOR FORMIN...
Publication number
20220283523
Publication date
Sep 8, 2022
RICOH COMPANY, LTD.
Masashi NAGAYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR FORMING ELECTROPHOTOGRAPHIC IMAGE, DEVELOPER FOR FORMIN...
Publication number
20220187729
Publication date
Jun 16, 2022
RICOH COMPANY, LTD.
Masashi Nagayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, TWO-COMPONENT DE...
Publication number
20200183297
Publication date
Jun 11, 2020
Haruki MURATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER, METHOD, AND APPARATUS FOR FORMING ELECTROPHOTOG...
Publication number
20200166867
Publication date
May 28, 2020
Masashi NAGAYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER, IMAGE FORMING APPARATUS, DEVELOPER STORED UNIT,...
Publication number
20180120724
Publication date
May 3, 2018
Koichi SAKATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPER OF ELECTROSTATIC LATENT IMAGE, DEVELOPER, AND...
Publication number
20180113393
Publication date
Apr 26, 2018
Masahiro SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC LATENT IMAGE DEVELOPING WHITE DEVELOPER, IMAGE FORMIN...
Publication number
20170329247
Publication date
Nov 16, 2017
Yoshihiro MURASAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGES, TWO-COMPONENT D...
Publication number
20170269497
Publication date
Sep 21, 2017
Yoshihiro MURASAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20170248871
Publication date
Aug 31, 2017
Hitoshi IWATSUKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, TWO-COMPONENT DEVELOPER, IMAGE FORMING APPARATUS, PROCESS...
Publication number
20170205721
Publication date
Jul 20, 2017
Yoshihiro MURASAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, TWO-COMPONENT DEVELOPER, DEVELOPER FOR REPLENISHMENT, PROC...
Publication number
20170153563
Publication date
Jun 1, 2017
Hiroyuki KISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, TWO-COMPONENT DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FOR...
Publication number
20150153665
Publication date
Jun 4, 2015
Hiroyuki Kishida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REPLENISHING DEVELOPER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
Publication number
20140348552
Publication date
Nov 27, 2014
RICOH COMPANY, LTD.
Hitoshi Iwatsuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER USING...
Publication number
20140248557
Publication date
Sep 4, 2014
Shigenori YAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER USING...
Publication number
20140227638
Publication date
Aug 14, 2014
Hiroyuki KISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR TWO-COMPONENT DEVELOPER, ELECTROSTATIC LATENT IMAGE DEV...
Publication number
20140080052
Publication date
Mar 20, 2014
Shigenori YAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING AN ELECTROSTATIC LATENT IMAGE, DEVELOPER AND...
Publication number
20140072910
Publication date
Mar 13, 2014
Hitoshi IWATSUKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND ELECTROSTATI...
Publication number
20140023966
Publication date
Jan 23, 2014
Toyoshi SAWADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, TOW-COMPONENT DE...
Publication number
20130252169
Publication date
Sep 26, 2013
Shigenori Yaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE AND DEVELOPER
Publication number
20130065175
Publication date
Mar 14, 2013
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20130004209
Publication date
Jan 3, 2013
Hiroyuki KISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20120230725
Publication date
Sep 13, 2012
Koichi SAKATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND TWO-COMPONEN...
Publication number
20120064451
Publication date
Mar 15, 2012
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER, METHOD OF MANUFACTURING CARRIER, DEVELOPER CONT...
Publication number
20120057898
Publication date
Mar 8, 2012
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONTACT DEVELOPING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CAR...
Publication number
20120058423
Publication date
Mar 8, 2012
Kimitoshi Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING METHOD AND IMAGE FORMING METHOD
Publication number
20120028183
Publication date
Feb 2, 2012
Hisashi NAKAJIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY