Kazumi Sakumoto

Person

Koto-ku, Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Stepping motor control device, movement, timepiece, and stepping mo...
- Patent number 11,909,347
- Issue date Feb 20, 2024
- SEIKO WATCH KABUSHIKI KAISHA
- Akihito Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor driving apparatus, motor driving method, and timepiece
- Patent number 11,424,702
- Issue date Aug 23, 2022
- Seiko Instruments Inc.
- Tetsuya Nobe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Timepiece, motor control device, control method of timepiece, and m...
- Patent number 10,831,158
- Issue date Nov 10, 2020
- Seiko Instruments Inc.
- Kazumi Sakumoto
- G04 - HOROLOGY
Information Patent Grant
Electronic apparatus and control method
- Patent number 10,228,660
- Issue date Mar 12, 2019
- Seiko Instruments Inc.
- Tamotsu Maesawa
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 10,203,664
- Issue date Feb 12, 2019
- Seiko Instruments Inc.
- Kazumi Sakumoto
- G04 - HOROLOGY
Information Patent Grant
Frequency division circuit, method of controlling frequency divisio...
- Patent number 10,180,661
- Issue date Jan 15, 2019
- Seiko Instruments Inc.
- Kazumi Sakumoto
- G04 - HOROLOGY
Information Patent Grant
Time correction system, electronic device, timepiece, and program
- Patent number 10,067,480
- Issue date Sep 4, 2018
- Seiko Instruments Inc.
- Kenji Ogasawara
- G04 - HOROLOGY
Information Patent Grant
Electronic device, communication method and recording medium
- Patent number 9,800,333
- Issue date Oct 24, 2017
- Seiko Instruments Inc.
- Kenji Ogasawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic timepiece and control method of electronic timepiece
- Patent number 9,442,465
- Issue date Sep 13, 2016
- Seiko Instruments Inc.
- Kosuke Yamamoto
- G04 - HOROLOGY
Information Patent Grant
Stepping motor control circuit, movement, and analog electronic tim...
- Patent number 9,190,941
- Issue date Nov 17, 2015
- Seiko Instruments Inc.
- Saburo Manaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor control circuit, movement and analog electronic time...
- Patent number 9,182,746
- Issue date Nov 10, 2015
- Seiko Instruments Inc.
- Kosuke Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor control circuit, movement, and analogue electronic t...
- Patent number 9,086,685
- Issue date Jul 21, 2015
- Seiko Instruments Inc.
- Kosuke Yamamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power consumption control device, timepiece device, electronic devi...
- Patent number 8,873,344
- Issue date Oct 28, 2014
- Seiko Instruments Inc.
- Hiroshi Shimizu
- G04 - HOROLOGY
Information Patent Grant
Motor drive device, timepiece device, and electronic device
- Patent number 8,810,186
- Issue date Aug 19, 2014
- Seiko Instruments Inc.
- Shotaro Kamiyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor control circuit, movement, and analogue electronic t...
- Patent number 8,721,170
- Issue date May 13, 2014
- Seiko Instruments Inc.
- Saburo Manaka
- G04 - HOROLOGY
Information Patent Grant
Electronic device, electronic device control method, and electronic...
- Patent number 8,699,304
- Issue date Apr 15, 2014
- Seiko Instruments Inc.
- Kazumi Sakumoto
- G04 - HOROLOGY
Information Patent Grant
Stepping motor control circuit and analogue electronic watch
- Patent number 8,569,991
- Issue date Oct 29, 2013
- Seiko Instruments Inc.
- Saburo Manaka
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 8,406,086
- Issue date Mar 26, 2013
- Seiko Instruments Inc.
- Hiroshi Shimizu
- G04 - HOROLOGY
Information Patent Grant
Stepping motor controller and analog electronic timepiece
- Patent number 8,351,303
- Issue date Jan 8, 2013
- Seiko Instruments Inc.
- Kenji Ogasawara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Stepping motor control circuit and analogue electronic timepiece
- Patent number 8,335,135
- Issue date Dec 18, 2012
- Seiko Instruments Inc.
- Saburo Manaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor control circuit and analogue electronic timepiece
- Patent number 8,319,468
- Issue date Nov 27, 2012
- Seiko Instruments Inc.
- Saburo Manaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Chronograph timepiece
- Patent number 8,295,131
- Issue date Oct 23, 2012
- Seiko Instruments Inc.
- Kazuo Kato
- G04 - HOROLOGY
Information Patent Grant
Chronograph timepiece
- Patent number 8,289,816
- Issue date Oct 16, 2012
- Seiko Instruments Inc.
- Kazuo Kato
- G04 - HOROLOGY
Information Patent Grant
Chronograph timepiece
- Patent number 8,274,863
- Issue date Sep 25, 2012
- Seiko Instruments Inc.
- Tomohiro Ihashi
- G04 - HOROLOGY
Information Patent Grant
Chronograph timepiece
- Patent number 8,223,594
- Issue date Jul 17, 2012
- Seiko Instruments Inc.
- Tomohiro Ihashi
- G04 - HOROLOGY
Information Patent Grant
Chronograph timepiece
- Patent number 8,215,827
- Issue date Jul 10, 2012
- Seiko Instruments Inc.
- Kazuo Kato
- G04 - HOROLOGY
Information Patent Grant
Chronograph timepiece
- Patent number 8,213,268
- Issue date Jul 3, 2012
- Seiko Instruments Inc.
- Kazuo Kato
- G04 - HOROLOGY
Information Patent Grant
Stepping motor control circuit and analog electronic watch
- Patent number 8,139,445
- Issue date Mar 20, 2012
- Seiko Instruments Inc.
- Keishi Honmura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor control circuit and analog electronic timepiece
- Patent number 8,111,033
- Issue date Feb 7, 2012
- Seiko Instruments Inc.
- Kenji Ogasawara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light emitting indicator drive circuit
- Patent number 6,930,659
- Issue date Aug 16, 2005
- Seiko Instruments Inc.
- Masafumi Hoshino
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
WATCH
- Publication number 20230400814
- Publication date Dec 14, 2023
- Seiko Watch Kabushiki Kaisha (trading as Seiko Watch Corporation)
- KOSUKE YAMAMOTO
- G04 - HOROLOGY
Information Patent Application
STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...
- Publication number 20220291637
- Publication date Sep 15, 2022
- Seiko Watch Kabushiki Kaisha (trading as Seiko Watch Corporation)
- Kazuo Kato
- G04 - HOROLOGY
Information Patent Application
STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...
- Publication number 20220181997
- Publication date Jun 9, 2022
- Seiko Watch Kabushiki Kaisha (trading as Seiko Watch Corporation)
- Akihito OKUMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR DRIVING APPARATUS, MOTOR DRIVING METHOD, AND TIMEPIECE
- Publication number 20200313583
- Publication date Oct 1, 2020
- SEIKO INSTRUMENTS INC.
- Tetsuya NOBE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TIMEPIECE, MOTOR CONTROL DEVICE, CONTROL METHOD OF TIMEPIECE, AND M...
- Publication number 20180292790
- Publication date Oct 11, 2018
- SEIKO INSTRUMENTS INC.
- Kazumi SAKUMOTO
- G04 - HOROLOGY
Information Patent Application
ELECTRONIC APPARATUS AND CONTROL METHOD
- Publication number 20170075310
- Publication date Mar 16, 2017
- SEIKO INSTRUMENTS INC.
- Tamotsu MAESAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRONIC TIMEPIECE
- Publication number 20170060096
- Publication date Mar 2, 2017
- SEIKO INSTRUMENTS INC.
- Kazumi SAKUMOTO
- G04 - HOROLOGY
Information Patent Application
FREQUENCY DIVISION CIRCUIT, METHOD OF CONTROLLING FREQUENCY DIVISIO...
- Publication number 20160342139
- Publication date Nov 24, 2016
- SEIKO INSTRUMENTS INC.
- Kazumi SAKUMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TIME CORRECTION SYSTEM, ELECTRONIC DEVICE, TIMEPIECE, AND PROGRAM
- Publication number 20160266554
- Publication date Sep 15, 2016
- SEIKO INSTRUMENTS INC.
- Kenji OGASAWARA
- G04 - HOROLOGY
Information Patent Application
ELECTRONIC TIMEPIECE AND CONTROL METHOD OF ELECTRONIC TIMEPIECE
- Publication number 20160139569
- Publication date May 19, 2016
- SEIKO INSTRUMENTS INC.
- Kosuke YAMAMOTO
- G04 - HOROLOGY
Information Patent Application
COMMUNICATION SYSTEM, ELECTRONIC DEVICE, ELECTRONIC TIMEPIECE, COMM...
- Publication number 20160080076
- Publication date Mar 17, 2016
- SEIKO INSTRUMENTS INC.
- Tomohiro IHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC DEVICE, COMMUNICATION METHOD AND RECORDING MEDIUM
- Publication number 20160080078
- Publication date Mar 17, 2016
- SEIKO INSTRUMENTS INC.
- Kenji OGASAWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT AND ANALOG ELECTRONIC TIME...
- Publication number 20140071794
- Publication date Mar 13, 2014
- Seiko Instruments Inc.
- Kosuke YAMAMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOG ELECTRONIC TIM...
- Publication number 20140071795
- Publication date Mar 13, 2014
- Seiko Instruments Inc.
- Saburo MANAKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOGUE ELECTRONIC T...
- Publication number 20130182542
- Publication date Jul 18, 2013
- Seiko Instruments Inc.
- Kosuke YAMAMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOGUE ELECTRONIC T...
- Publication number 20130170328
- Publication date Jul 4, 2013
- Seiko Instruments Inc.
- Saburo MANAKA
- G04 - HOROLOGY
Information Patent Application
STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE
- Publication number 20120306428
- Publication date Dec 6, 2012
- Saburo Manaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR DRIVE DEVICE AND ANALOGUE ELECTRONIC TIMEPIECE
- Publication number 20120300595
- Publication date Nov 29, 2012
- Shotaro Kamiyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE
- Publication number 20120287760
- Publication date Nov 15, 2012
- Kenji OGASAWARA
- G04 - HOROLOGY
Information Patent Application
ELECTRONIC TIMEPIECE
- Publication number 20120275276
- Publication date Nov 1, 2012
- Hiroshi Shimizu
- G04 - HOROLOGY
Information Patent Application
Motor drive device, timepiece device, and electronic device
- Publication number 20120182840
- Publication date Jul 19, 2012
- Shotaro Kamiyama
- G04 - HOROLOGY
Information Patent Application
Analogue electronic timepiece
- Publication number 20120170426
- Publication date Jul 5, 2012
- Keishi Honmura
- G04 - HOROLOGY
Information Patent Application
Photovoltaic panel, wristwatch, and method of manufacturing photovo...
- Publication number 20120057439
- Publication date Mar 8, 2012
- Hiroshi Shimizu
- G04 - HOROLOGY
Information Patent Application
Drive control apparatus, timepiece apparatus, and electronic apparatus
- Publication number 20120057435
- Publication date Mar 8, 2012
- Keishi Honmura
- G04 - HOROLOGY
Information Patent Application
Control device, electronic apparatus, timepiece device, and control...
- Publication number 20120056480
- Publication date Mar 8, 2012
- Kazumi Sakumoto
- G04 - HOROLOGY
Information Patent Application
Power consumption control device, timepiece device, electronic devi...
- Publication number 20120057438
- Publication date Mar 8, 2012
- Hiroshi Shimizu
- G04 - HOROLOGY
Information Patent Application
Electronic device, electronic device control method, and electronic...
- Publication number 20120057436
- Publication date Mar 8, 2012
- Kazumi Sakumoto
- G04 - HOROLOGY
Information Patent Application
Stepping motor control circuit and analogue electronic watch
- Publication number 20120044787
- Publication date Feb 23, 2012
- Saburo Manaka
- G04 - HOROLOGY
Information Patent Application
Stepping motor control circuit and analog electronic timepiece
- Publication number 20120014227
- Publication date Jan 19, 2012
- Keishi Honmura
- G04 - HOROLOGY
Information Patent Application
Chronograph timepiece
- Publication number 20110249536
- Publication date Oct 13, 2011
- Kenji Ogasawara
- G04 - HOROLOGY

Kazumi Sakumoto

Person

Patents Grantslast 30 patents

Stepping motor control device, movement, timepiece, and stepping mo...

Motor driving apparatus, motor driving method, and timepiece

Timepiece, motor control device, control method of timepiece, and m...

Electronic apparatus and control method

Electronic timepiece

Frequency division circuit, method of controlling frequency divisio...

Time correction system, electronic device, timepiece, and program

Electronic device, communication method and recording medium

Electronic timepiece and control method of electronic timepiece

Stepping motor control circuit, movement, and analog electronic tim...

Stepping motor control circuit, movement and analog electronic time...

Stepping motor control circuit, movement, and analogue electronic t...

Power consumption control device, timepiece device, electronic devi...

Motor drive device, timepiece device, and electronic device

Stepping motor control circuit, movement, and analogue electronic t...

Electronic device, electronic device control method, and electronic...

Stepping motor control circuit and analogue electronic watch

Electronic timepiece

Stepping motor controller and analog electronic timepiece

Stepping motor control circuit and analogue electronic timepiece

Stepping motor control circuit and analogue electronic timepiece

Chronograph timepiece

Chronograph timepiece

Chronograph timepiece

Chronograph timepiece

Chronograph timepiece

Chronograph timepiece

Stepping motor control circuit and analog electronic watch

Stepping motor control circuit and analog electronic timepiece

Light emitting indicator drive circuit

Patents Applicationslast 30 patents

WATCH

STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...

STEPPING MOTOR CONTROL DEVICE, MOVEMENT, TIMEPIECE, AND STEPPING MO...

MOTOR DRIVING APPARATUS, MOTOR DRIVING METHOD, AND TIMEPIECE

TIMEPIECE, MOTOR CONTROL DEVICE, CONTROL METHOD OF TIMEPIECE, AND M...

ELECTRONIC APPARATUS AND CONTROL METHOD

ELECTRONIC TIMEPIECE

FREQUENCY DIVISION CIRCUIT, METHOD OF CONTROLLING FREQUENCY DIVISIO...

TIME CORRECTION SYSTEM, ELECTRONIC DEVICE, TIMEPIECE, AND PROGRAM

ELECTRONIC TIMEPIECE AND CONTROL METHOD OF ELECTRONIC TIMEPIECE

COMMUNICATION SYSTEM, ELECTRONIC DEVICE, ELECTRONIC TIMEPIECE, COMM...

ELECTRONIC DEVICE, COMMUNICATION METHOD AND RECORDING MEDIUM

STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT AND ANALOG ELECTRONIC TIME...

STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOG ELECTRONIC TIM...

STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOGUE ELECTRONIC T...

STEPPING MOTOR CONTROL CIRCUIT, MOVEMENT, AND ANALOGUE ELECTRONIC T...

STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE

MOTOR DRIVE DEVICE AND ANALOGUE ELECTRONIC TIMEPIECE

STEPPING MOTOR CONTROL CIRCUIT AND ANALOG ELECTRONIC TIMEPIECE

ELECTRONIC TIMEPIECE

Motor drive device, timepiece device, and electronic device

Analogue electronic timepiece

Photovoltaic panel, wristwatch, and method of manufacturing photovo...

Drive control apparatus, timepiece apparatus, and electronic apparatus

Control device, electronic apparatus, timepiece device, and control...

Power consumption control device, timepiece device, electronic devi...

Electronic device, electronic device control method, and electronic...

Stepping motor control circuit and analogue electronic watch

Stepping motor control circuit and analog electronic timepiece

Chronograph timepiece