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Takeo SEKI
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Consumable management apparatus, consumable management system, and...
Patent number
10,656,585
Issue date
May 19, 2020
Ricoh Company, Ltd.
Takeo Seki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Current detecting device, motor controlling system, image forming a...
Patent number
10,472,194
Issue date
Nov 12, 2019
Ricoh Company, Ltd.
Takeo Seki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Motor control device and motor control method
Patent number
10,224,859
Issue date
Mar 5, 2019
Ricoh Company, Ltd.
Hiroyuki Kiguchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Contact-and-separation system, image forming apparatus, and contact...
Patent number
10,053,317
Issue date
Aug 21, 2018
Ricoh Company, Ltd.
Shogo Nakamoto
G05 - CONTROLLING REGULATING
Information
Patent Grant
Motor control device and motor control method
Patent number
9,973,133
Issue date
May 15, 2018
Ricoh Company, Ltd.
Hiroyuki Kiguchi
G05 - CONTROLLING REGULATING
Information
Patent Grant
Current measuring apparatus, image forming apparatus, conveyance ap...
Patent number
9,939,469
Issue date
Apr 10, 2018
Ricoh Company, Ltd.
Takeo Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Load torque estimation apparatus, image forming apparatus, load tor...
Patent number
9,853,584
Issue date
Dec 26, 2017
Ricoh Company, Ltd.
Takeo Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor control device, image forming apparatus, motor control method...
Patent number
9,515,590
Issue date
Dec 6, 2016
Ricoh Company, Limited
Natsuko Ishizuka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor control device, motor control method, and computer-readable s...
Patent number
9,484,845
Issue date
Nov 1, 2016
Ricoh Company, Ltd.
Hiroyuki Kiguchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Load torque estimation apparatus, image forming apparatus, load tor...
Patent number
9,405,281
Issue date
Aug 2, 2016
Ricoh Company, Ltd.
Takeo Seki
G05 - CONTROLLING REGULATING
Information
Patent Grant
Load torque estimation apparatus, image forming apparatus, load tor...
Patent number
9,395,705
Issue date
Jul 19, 2016
Ricoh Company, Ltd.
Takeo Seki
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electric motor system and motor control method
Patent number
9,323,208
Issue date
Apr 26, 2016
Ricoh Company, Ltd.
Shogo Sakamoto
G05 - CONTROLLING REGULATING
Information
Patent Grant
Motor control device, image forming apparatus including the motor c...
Patent number
9,106,164
Issue date
Aug 11, 2015
Ricoh Company, Ltd.
Takeo Seki
G05 - CONTROLLING REGULATING
Information
Patent Grant
Motor control device, motor control method, and image forming appar...
Patent number
9,093,935
Issue date
Jul 28, 2015
Ricoh Company, Limited
Natsuko Ishizuka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Motor control device, image forming apparatus, motor control method...
Patent number
9,018,884
Issue date
Apr 28, 2015
Ricoh Company, Limited
Natsuko Ishizuka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electric motor system and motor control method
Patent number
8,928,270
Issue date
Jan 6, 2015
Ricoh Company, Ltd.
Shogo Sakamoto
G05 - CONTROLLING REGULATING
Information
Patent Grant
Jam processing assisting device and image forming apparatus includi...
Patent number
8,695,975
Issue date
Apr 15, 2014
Ricoh Company, Limited
Takeo Seki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
CONSUMABLE MANAGEMENT APPARATUS, CONSUMABLE MANAGEMENT SYSTEM, AND...
Publication number
20190286038
Publication date
Sep 19, 2019
Takeo Seki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD
Publication number
20180212548
Publication date
Jul 26, 2018
Hiroyuki KIGUCHI
G05 - CONTROLLING REGULATING
Information
Patent Application
CONTACT-AND-SEPARATION SYSTEM, IMAGE FORMING APPARATUS, AND CONTACT...
Publication number
20180039221
Publication date
Feb 8, 2018
RICOH COMPANY, LTD.
Shogo NAKAMOTO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CURRENT DETECTING DEVICE, MOTOR CONTROLLING SYSTEM, IMAGE FORMING A...
Publication number
20170190530
Publication date
Jul 6, 2017
RICOH COMPANY, LTD.
Takeo SEKI
G01 - MEASURING TESTING
Information
Patent Application
MOTOR CONTROL DEVICE, MOTOR CONTROL METHOD, AND COMPUTER-READABLE S...
Publication number
20170012568
Publication date
Jan 12, 2017
Hiroyuki KIGUCHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CURRENT MEASURING APPARATUS, IMAGE FORMING APPARATUS, CONVEYANCE AP...
Publication number
20160274152
Publication date
Sep 22, 2016
RICOH COMPANY, LTD.
Takeo SEKI
G01 - MEASURING TESTING
Information
Patent Application
LOAD TORQUE ESTIMATION APPARATUS, IMAGE FORMING APPARATUS, LOAD TOR...
Publication number
20160248360
Publication date
Aug 25, 2016
RICOH COMPANY, LTD.
Takeo SEKI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR CONTROL DEVICE, IMAGE FORMING APPARATUS, MOTOR CONTROL METHOD...
Publication number
20150130385
Publication date
May 14, 2015
RICOH COMPANY, LIMITED
Natsuko ISHIZUKA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRIC MOTOR SYSTEM AND MOTOR CONTROL METHOD
Publication number
20150110525
Publication date
Apr 23, 2015
RICOH COMPANY, LTD.
Shogo SAKAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LOAD TORQUE ESTIMATION APPARATUS, IMAGE FORMING APPARATUS, LOAD TOR...
Publication number
20150077028
Publication date
Mar 19, 2015
RICOH COMPANY, LTD.
Takeo SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LOAD TORQUE ESTIMATION APPARATUS, IMAGE FORMING APPARATUS, LOAD TOR...
Publication number
20150077027
Publication date
Mar 19, 2015
RICOH COMPANY, LTD.
Takeo SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MOTOR CONTROL DEVICE, MOTOR CONTROL METHOD, AND IMAGE FORMING APPAR...
Publication number
20140049199
Publication date
Feb 20, 2014
Natsuko ISHIZUKA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
MOTOR CONTROL DEVICE, IMAGE FORMING APPARATUS INCLUDING THE MOTOR C...
Publication number
20130200838
Publication date
Aug 8, 2013
Takeo SEKI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR CONTROL DEVICE, IMAGE FORMING APPARATUS, MOTOR CONTROL METHOD...
Publication number
20130200836
Publication date
Aug 8, 2013
Natsuko Ishizuka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MOTOR CONTROL DEVICE, MOTOR CONTROL METHOD, AND COMPUTER-READABLE S...
Publication number
20130193894
Publication date
Aug 1, 2013
Hiroyuki KIGUCHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTRIC MOTOR SYSTEM AND MOTOR CONTROL METHOD
Publication number
20130078021
Publication date
Mar 28, 2013
RICOH COMPANY, LTD.
Shogo SAKAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
JAM PROCESSING ASSISTING DEVICE AND IMAGE FORMING APPARATUS INCLUDI...
Publication number
20120217702
Publication date
Aug 30, 2012
RICOH COMPANY, LIMITED
Takeo Seki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL