Inventor
Fumihiro Shimizu
Inventor
Kanagawa, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters38%
G01DMeasuring not specially adapted for a specific variable17%
H02KDynamo-electric machines8%
E05CBolts or fastening devices for wings, specially for doors or windows4%
E05FDevices for moving wings into open or closed position4%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof4%
G03GElectrography4%
G05BControl or regulating systems in general4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
PatentTitleYear
10,135,374Permanent magnet motor, position estimating device, and motor driving controlling device201810,133,223Angle estimator, motor controller, motor driver, motor driving system, image forming apparatus, and conveyance device201810,075,604Rotation-angle detection device and method, and image processing apparatus201810,024,688Angle detection device and angle detection method20189,483,037'Motor control device, method for operating the same, and image processing apparatus'20169,473,054'Angle detection apparatus, motor driving control apparatus and angle detection method'20168,872,453'Motor drive controller and control method'20148,866,421'Motor drive controller and control method'20148,860,346'Angle detection device, motor driving device, and image forming apparatus'20148,405,329'Motor drive controller and image forming apparatus incorporating the motor drive controller'20138,288,978'Motor driver'20128,258,731'Apparatus and method for starting motor'20127,296,277'Disk rotation device'20076,573,625'Motor device having water-proof brush holder'20035,438,801'Quarter window opening/closing apparatus'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995Based in Shizuoka, JP· patent location history
2003Based in Hamamatsu, JP· patent location history
2007–2018Based in Kanagawa, JP· patent location history
2012–2018Patents assigned to RICOH CO LTD (12)· patent assignee history
2012–2018Patents assigned to SHIMIZU FUMIHIRO (12)· patent assignee history
2012Based in Yokohama, JP· patent location history
2014Patents assigned to FURUSE KATSUHISA (3)· patent assignee history
2014Patents assigned to KAMATANI TOMOHIKO (3)· patent assignee history
2014Patents assigned to SUZUKI HARUYUKI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 12 | 2012–2018 |
| SHIMIZU FUMIHIROself | 12 | 2012–2018 |
| FURUSE KATSUHISA | 3 | 2014 |
| KAMATANI TOMOHIKO | 3 | 2014 |
| SUZUKI HARUYUKI | 3 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 12 | 2007–2018 |
| Yokohama, JP | 1 | 2012 |
| Hamamatsu, JP | 1 | 2003 |
| Shizuoka, JP | 1 | 1995 |