Goichi Akanuma

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light deflector, deflecting device, distance measurement device, im...
- Patent number 12,140,698
- Issue date Nov 12, 2024
- Ricoh Company, Ltd.
- Goichi Akanuma
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Optical deflector, deflection apparatus, distance measuring apparat...
- Patent number 11,796,793
- Issue date Oct 24, 2023
- Ricoh Company, Ltd.
- Mitsuhiro Yoda
- G02 - OPTICS
Information Patent Grant
Light deflector, deflecting device, object recognition device, imag...
- Patent number 11,789,258
- Issue date Oct 17, 2023
- Ricoh Company, Ltd.
- Goichi Akanuma
- G02 - OPTICS
Information Patent Grant
Acoustic transducer
- Patent number 11,785,390
- Issue date Oct 10, 2023
- Ricoh Company, Ltd.
- Wataru Yokota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light deflector, optical scanning system, image projection device,...
- Patent number 11,750,779
- Issue date Sep 5, 2023
- Ricoh Company, Ltd.
- Goichi Akanuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light deflector, optical scanning system, image projection device,...
- Patent number 11,644,664
- Issue date May 9, 2023
- Ricoh Company, Ltd.
- Wataru Yokota
- G02 - OPTICS
Information Patent Grant
Light deflector, optical scanning device, image projection device,...
- Patent number 11,106,031
- Issue date Aug 31, 2021
- Ricoh Company, Ltd.
- Takeshi Nanjyo
- G02 - OPTICS
Information Patent Grant
Movable device, image projection apparatus, heads-up display, laser...
- Patent number 10,901,220
- Issue date Jan 26, 2021
- Ricoh Company, Ltd.
- Mizuki Shinkawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light deflector, two-dimensional image display apparatus, optical s...
- Patent number 9,766,450
- Issue date Sep 19, 2017
- Ricoh Company, Ltd.
- Jun Nakagawa
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Light deflector, and devices incorporating the same
- Patent number 9,575,312
- Issue date Feb 21, 2017
- Ricoh Company, Ltd.
- Goichi Akanuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical deflection device and image forming apparatus
- Patent number 9,448,402
- Issue date Sep 20, 2016
- Ricoh Company, Ltd.
- Goichi Akanuma
- G02 - OPTICS
Information Patent Grant
Optical deflection device, apparatus including the same, and method...
- Patent number 9,291,817
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Tsuyoshi Hashiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Actuator, protective cover for actuator, actuator manufacturing met...
- Patent number 8,830,551
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Tomofumi Kitazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Deflecting mirror for deflecting and scanning light beam
- Patent number 8,395,834
- Issue date Mar 12, 2013
- Ricoh Company, Limited
- Goichi Akanuma
- G02 - OPTICS
Information Patent Grant
Objective lens drive apparatus where interaction of drive magnets a...
- Patent number 8,255,936
- Issue date Aug 28, 2012
- Ricoh Company, Ltd.
- Goichi Akanuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical deflector, optical scanner, image forming apparatus, and im...
- Patent number 8,174,750
- Issue date May 8, 2012
- Ricoh Company, Limited
- Goichi Akanuma
- G02 - OPTICS
Information Patent Grant
Lighting device and projection image display unit
- Patent number 8,147,069
- Issue date Apr 3, 2012
- Ricoh Company, Limited
- Manabu Seo
- G11 - INFORMATION STORAGE
Information Patent Grant
Light path circuit apparatus and ring laser gyro
- Patent number 7,701,584
- Issue date Apr 20, 2010
- Ricoh Company, Ltd.
- Goichi Akanuma
- G01 - MEASURING TESTING
Information Patent Grant
Object lens driving device with reduced tilt during focusing and tr...
- Patent number 7,489,600
- Issue date Feb 10, 2009
- Ricoh Company, Ltd.
- Goichi Akanuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens drive apparatus with objective lens portion movable...
- Patent number 7,287,264
- Issue date Oct 23, 2007
- Ricoh Company, Ltd.
- Goichi Akanuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens driving apparatus for driving an objective lens of a...
- Patent number 6,343,053
- Issue date Jan 29, 2002
- Ricoh Company, Ltd.
- Goichi Akanuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Imaging device
- Patent number 6,177,667
- Issue date Jan 23, 2001
- Ricoh Company, Ltd.
- Kazuhiro Fujita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
MOVABLE DEVICE, IMAGE PROJECTION APPARATUS, LASER HEADLAMP, HEAD-MO...
- Publication number 20220299757
- Publication date Sep 22, 2022
- RICOH COMPANY, LTD.
- Mizuki Shinkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT DEFLECTOR, IMAGE PROJECTION APPARATUS, LASER HEADLAMP, HEAD-M...
- Publication number 20220299755
- Publication date Sep 22, 2022
- RICOH COMPANY, LTD.
- Goichi Akanuma
- B60 - VEHICLES IN GENERAL
Information Patent Application
ACOUSTIC TRANSDUCER
- Publication number 20220264225
- Publication date Aug 18, 2022
- Wataru YOKOTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DEFLECTOR, DEFLECTION APPARATUS, DISTANCE MEASURING APPARAT...
- Publication number 20210157129
- Publication date May 27, 2021
- RICOH COMPANY, LTD.
- Mitsuhiro YODA
- G02 - OPTICS
Information Patent Application
LIGHT DEFLECTOR, DEFLECTING DEVICE, OBJECT RECOGNITION DEVICE, IMAG...
- Publication number 20210157128
- Publication date May 27, 2021
- Goichi AKANUMA
- G02 - OPTICS
Information Patent Application
LIGHT DEFLECTOR, DEFLECTING DEVICE, DISTANCE MEASUREMENT DEVICE, IM...
- Publication number 20210156964
- Publication date May 27, 2021
- Goichi AKANUMA
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
LIGHT DEFLECTOR, OPTICAL SCANNING SYSTEM, IMAGE PROJECTION DEVICE,...
- Publication number 20210058592
- Publication date Feb 25, 2021
- Goichi AKANUMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT DEFLECTOR, OPTICAL SCANNING SYSTEM, IMAGE PROJECTION DEVICE,...
- Publication number 20210041687
- Publication date Feb 11, 2021
- Wataru YOKOTA
- G01 - MEASURING TESTING
Information Patent Application
LIGHT DEFLECTOR, OPTICAL SCANNING DEVICE, IMAGE PROJECTION DEVICE,...
- Publication number 20200183151
- Publication date Jun 11, 2020
- Takeshi NANJYO
- G02 - OPTICS
Information Patent Application
MOVABLE DEVICE, IMAGE PROJECTION APPARATUS, HEADS-UP DISPLAY, LASER...
- Publication number 20190391394
- Publication date Dec 26, 2019
- RICOH COMPANY, LTD.
- MIZUKI SHINKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT DEFLECTOR, AND DEVICES INCORPORATING THE SAME
- Publication number 20160139404
- Publication date May 19, 2016
- Goichi AKANUMA
- G02 - OPTICS
Information Patent Application
LIGHT DEFLECTOR, TWO-DIMENSIONAL IMAGE DISPLAY APPARATUS, OPTICAL S...
- Publication number 20160109697
- Publication date Apr 21, 2016
- Jun NAKAGAWA
- G02 - OPTICS
Information Patent Application
OPTICAL DEFLECTION DEVICE, APPARATUS INCLUDING THE SAME, AND METHOD...
- Publication number 20150077823
- Publication date Mar 19, 2015
- Tsuyoshi HASHIGUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL DEFLECTION DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150062683
- Publication date Mar 5, 2015
- Goichi AKANUMA
- G02 - OPTICS
Information Patent Application
ACTUATOR, PROTECTIVE COVER FOR ACTUATOR, ACTUATOR MANUFACTURING MET...
- Publication number 20120120470
- Publication date May 17, 2012
- Tomofumi KITAZAWA
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
OPTICAL DEFLECTOR, OPTICAL SCANNER, IMAGE FORMING APPARATUS, AND IM...
- Publication number 20100309536
- Publication date Dec 9, 2010
- Goichi AKANUMA
- G02 - OPTICS
Information Patent Application
DEFLECTING MIRROR FOR DEFLECTING AND SCANNING LIGHT BEAM
- Publication number 20100195180
- Publication date Aug 5, 2010
- Goichi Akanuma
- G02 - OPTICS
Information Patent Application
LIGHTING DEVICE AND PROJECTION IMAGE DISPLAY UNIT
- Publication number 20100033685
- Publication date Feb 11, 2010
- Manabu SEO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT PATH CIRCUIT APPARATUS AND RING LASER GYRO
- Publication number 20090021744
- Publication date Jan 22, 2009
- Goichi Akanuma
- G01 - MEASURING TESTING
Information Patent Application
Objective lens drive apparatus, optical pickup, and optical disk ap...
- Publication number 20080151737
- Publication date Jun 26, 2008
- Goichi Akanuma
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens drive apparatus, optical pickup device, and optical...
- Publication number 20070195658
- Publication date Aug 23, 2007
- Goichi Akanuma
- G11 - INFORMATION STORAGE
Information Patent Application
Object lens driving device, optical pickup, and optical disk drive
- Publication number 20050185530
- Publication date Aug 25, 2005
- Goichi Akanuma
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens drive apparatus, optical pickup device, and optical...
- Publication number 20030234990
- Publication date Dec 25, 2003
- Goichi Akanuma
- G11 - INFORMATION STORAGE

Goichi Akanuma

Person

Patents Grantslast 30 patents

Light deflector, deflecting device, distance measurement device, im...

Optical deflector, deflection apparatus, distance measuring apparat...

Light deflector, deflecting device, object recognition device, imag...

Acoustic transducer

Light deflector, optical scanning system, image projection device,...

Light deflector, optical scanning system, image projection device,...

Light deflector, optical scanning device, image projection device,...

Movable device, image projection apparatus, heads-up display, laser...

Light deflector, two-dimensional image display apparatus, optical s...

Light deflector, and devices incorporating the same

Optical deflection device and image forming apparatus

Optical deflection device, apparatus including the same, and method...

Actuator, protective cover for actuator, actuator manufacturing met...

Deflecting mirror for deflecting and scanning light beam

Objective lens drive apparatus where interaction of drive magnets a...

Optical deflector, optical scanner, image forming apparatus, and im...

Lighting device and projection image display unit

Light path circuit apparatus and ring laser gyro

Object lens driving device with reduced tilt during focusing and tr...

Objective lens drive apparatus with objective lens portion movable...

Objective lens driving apparatus for driving an objective lens of a...

Imaging device

Patents Applicationslast 30 patents

MOVABLE DEVICE, IMAGE PROJECTION APPARATUS, LASER HEADLAMP, HEAD-MO...

LIGHT DEFLECTOR, IMAGE PROJECTION APPARATUS, LASER HEADLAMP, HEAD-M...

ACOUSTIC TRANSDUCER

OPTICAL DEFLECTOR, DEFLECTION APPARATUS, DISTANCE MEASURING APPARAT...

LIGHT DEFLECTOR, DEFLECTING DEVICE, OBJECT RECOGNITION DEVICE, IMAG...

LIGHT DEFLECTOR, DEFLECTING DEVICE, DISTANCE MEASUREMENT DEVICE, IM...

LIGHT DEFLECTOR, OPTICAL SCANNING SYSTEM, IMAGE PROJECTION DEVICE,...

LIGHT DEFLECTOR, OPTICAL SCANNING SYSTEM, IMAGE PROJECTION DEVICE,...

LIGHT DEFLECTOR, OPTICAL SCANNING DEVICE, IMAGE PROJECTION DEVICE,...

MOVABLE DEVICE, IMAGE PROJECTION APPARATUS, HEADS-UP DISPLAY, LASER...

LIGHT DEFLECTOR, AND DEVICES INCORPORATING THE SAME

LIGHT DEFLECTOR, TWO-DIMENSIONAL IMAGE DISPLAY APPARATUS, OPTICAL S...

OPTICAL DEFLECTION DEVICE, APPARATUS INCLUDING THE SAME, AND METHOD...

OPTICAL DEFLECTION DEVICE AND IMAGE FORMING APPARATUS

ACTUATOR, PROTECTIVE COVER FOR ACTUATOR, ACTUATOR MANUFACTURING MET...

OPTICAL DEFLECTOR, OPTICAL SCANNER, IMAGE FORMING APPARATUS, AND IM...

DEFLECTING MIRROR FOR DEFLECTING AND SCANNING LIGHT BEAM

LIGHTING DEVICE AND PROJECTION IMAGE DISPLAY UNIT

LIGHT PATH CIRCUIT APPARATUS AND RING LASER GYRO

Objective lens drive apparatus, optical pickup, and optical disk ap...

Objective lens drive apparatus, optical pickup device, and optical...

Object lens driving device, optical pickup, and optical disk drive

Objective lens drive apparatus, optical pickup device, and optical...