Kazumasa Aoki

Person

Ohta-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Printed wiring board
- Patent number 8,605,448
- Issue date Dec 10, 2013
- Ricoh Company, Limited
- Kenji Motohashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Printed wiring board and electronic apparatus including same
- Patent number 8,030,580
- Issue date Oct 4, 2011
- Ricoh Company, Ltd.
- Kenji Motohashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power supply circuit for digital camera
- Patent number 7,649,565
- Issue date Jan 19, 2010
- Ricoh Company, Ltd.
- Kazumasa Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electromagnetic field analysis apparatus, method and computer program
- Patent number 7,643,980
- Issue date Jan 5, 2010
- Ricoh Company, Ltd.
- Kikuo Kazama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Noise injection apparatus for printed circuit board
- Patent number 7,598,747
- Issue date Oct 6, 2009
- Ricoh Company, Ltd.
- Kenji Motohashi
- G01 - MEASURING TESTING
Information Patent Grant
Testing method/arrangement measuring electromagnetic interference o...
- Patent number 7,355,413
- Issue date Apr 8, 2008
- Ricoh Company, Ltd.
- Kenji Motohashi
- G01 - MEASURING TESTING
Information Patent Grant
Printed wiring board with a plurality of pads and a plurality of co...
- Patent number 7,338,290
- Issue date Mar 4, 2008
- Ricoh Company, Ltd.
- Kenji Motohashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Motor driving apparatus, digital camera, and motor controlling method
- Patent number 7,133,603
- Issue date Nov 7, 2006
- Ricoh Company, Limited
- Kazumasa Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Range finder
- Patent number 5,631,458
- Issue date May 20, 1997
- Ricoh Company, Ltd.
- Toshiaki Nakahira
- G02 - OPTICS
Information Patent Grant
Auto-focus arithmetic device
- Patent number 4,831,405
- Issue date May 16, 1989
- Ricoh Company, Ltd.
- Daisuke Hata
- G02 - OPTICS
Information Patent Grant
Apparatus for controlling a motor in a camera
- Patent number 4,818,921
- Issue date Apr 4, 1989
- Ricoh Company, Ltd.
- Daisuke Hata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing control system
- Patent number 4,777,505
- Issue date Oct 11, 1988
- Ricoh Company, Ltd.
- Daisuke Hata
- G02 - OPTICS
Information Patent Grant
Focus detecting device and image signal amplifier circuit therefor
- Patent number 4,763,154
- Issue date Aug 9, 1988
- Ricoh Company, Ltd.
- Susumu Iguchi
- G02 - OPTICS
Information Patent Grant
Charge-coupled device for automatic focusing and camera shake detec...
- Patent number 4,733,264
- Issue date Mar 22, 1988
- Ricoh Company, Ltd.
- Takayuki Hatase
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Printed wiring board
- Publication number 20110222247
- Publication date Sep 15, 2011
- RICOH COMPANY, LIMITED
- Kenji Motohashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PRINTED WIRING BOARD AND ELECTRONIC APPARATUS INCLUDING SAME
- Publication number 20090014206
- Publication date Jan 15, 2009
- Ricoh Company, Ltd,
- Kenji MOTOHASHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Noise injection apparatus for printed circuit board
- Publication number 20070178760
- Publication date Aug 2, 2007
- Ricoh Company, Ltd.
- Kenji Motohashi
- G01 - MEASURING TESTING
Information Patent Application
Printed board, electronic device, and apparatus with controlled imp...
- Publication number 20070093107
- Publication date Apr 26, 2007
- Kenji Motohashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Testing method
- Publication number 20060181287
- Publication date Aug 17, 2006
- Kenji Motohashi
- G01 - MEASURING TESTING
Information Patent Application
Electromagnetic field analysis apparatus, method and computer program
- Publication number 20060173662
- Publication date Aug 3, 2006
- Kikuo Kazama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Motor driving apparatus, digital camera, and motor controlling method
- Publication number 20050191043
- Publication date Sep 1, 2005
- Kazumasa Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Power supply circuit for digital camera
- Publication number 20050094029
- Publication date May 5, 2005
- Kazumasa Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazumasa Aoki

Person

Patents Grantslast 30 patents

Printed wiring board

Printed wiring board and electronic apparatus including same

Power supply circuit for digital camera

Electromagnetic field analysis apparatus, method and computer program

Noise injection apparatus for printed circuit board

Testing method/arrangement measuring electromagnetic interference o...

Printed wiring board with a plurality of pads and a plurality of co...

Motor driving apparatus, digital camera, and motor controlling method

Range finder

Auto-focus arithmetic device

Apparatus for controlling a motor in a camera

Automatic focusing control system

Focus detecting device and image signal amplifier circuit therefor

Charge-coupled device for automatic focusing and camera shake detec...

Patents Applicationslast 30 patents

Printed wiring board

PRINTED WIRING BOARD AND ELECTRONIC APPARATUS INCLUDING SAME

Noise injection apparatus for printed circuit board

Printed board, electronic device, and apparatus with controlled imp...

Testing method

Electromagnetic field analysis apparatus, method and computer program

Motor driving apparatus, digital camera, and motor controlling method

Power supply circuit for digital camera