Yoshifumi Sudoh

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Propagation optical system and virtual image display device
- Patent number 12,181,673
- Issue date Dec 31, 2024
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Propagation optical system, virtual image display apparatus, and he...
- Patent number 12,117,668
- Issue date Oct 15, 2024
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Virtual image display device
- Patent number 12,099,207
- Issue date Sep 24, 2024
- Ricoh Company, Ltd.
- Naoki Nakamura
- G02 - OPTICS
Information Patent Grant
Head-mounted display device with adjuster
- Patent number 11,656,461
- Issue date May 23, 2023
- Ricoh Company, Ltd.
- Aino Hasegawa
- G02 - OPTICS
Information Patent Grant
Zoom lens system and imaging apparatus provided with the same
- Patent number 11,237,406
- Issue date Feb 1, 2022
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Image forming lens, imaging appratus, inspection apparatus
- Patent number 11,009,688
- Issue date May 18, 2021
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Image forming lens and image capturing device
- Patent number 9,864,167
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Kazuyasu Ohashi
- G02 - OPTICS
Information Patent Grant
Image forming lens and image capturing device
- Patent number 9,772,469
- Issue date Sep 26, 2017
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Image forming lens and image capturing device
- Patent number 9,690,072
- Issue date Jun 27, 2017
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens unit and imaging apparatus
- Patent number 9,500,876
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens, camera, and portable information terminal device
- Patent number 9,329,367
- Issue date May 3, 2016
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens and camera
- Patent number 9,325,907
- Issue date Apr 26, 2016
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Zoom lens and device having zoom lens
- Patent number 9,297,988
- Issue date Mar 29, 2016
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Zoom lens unit and camera
- Patent number 9,213,172
- Issue date Dec 15, 2015
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens, camera, and portable information device
- Patent number 9,195,036
- Issue date Nov 24, 2015
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Imaging lens system and imaging system including the same
- Patent number 9,170,398
- Issue date Oct 27, 2015
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Optical imaging system, camera device, and hand-held data terminal...
- Patent number 8,553,335
- Issue date Oct 8, 2013
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens, imaging apparatus, and information device
- Patent number 8,493,665
- Issue date Jul 23, 2013
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens, imaging device and information device
- Patent number 8,405,917
- Issue date Mar 26, 2013
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Imaging optical system, camera and personal digital assistant
- Patent number 8,379,329
- Issue date Feb 19, 2013
- Ricoh Company, Ltd.
- Takahiro Nakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming lens, camera device, and handheld terminal
- Patent number 8,369,030
- Issue date Feb 5, 2013
- Ricoh Company, Limited
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Optical imaging system, camera device, and hand-held data terminal...
- Patent number 8,284,501
- Issue date Oct 9, 2012
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Image reader and image formation apparatus
- Patent number 8,199,371
- Issue date Jun 12, 2012
- Ricoh Company, Ltd.
- Kiichiro Nishina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging optical system, camera apparatus, and personal digital assi...
- Patent number 8,139,297
- Issue date Mar 20, 2012
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Illumination unit, image read apparatus, image formation apparatus
- Patent number 8,081,355
- Issue date Dec 20, 2011
- Ricoh Company, Ltd.
- Kiichiro Nishina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming lens, camera and portable information terminal
- Patent number 8,018,663
- Issue date Sep 13, 2011
- Ricoh Company, Ltd.
- Kazuyasu Ohashi
- G02 - OPTICS
Information Patent Grant
Image reading apparatus and image forming apparatus
- Patent number 7,961,365
- Issue date Jun 14, 2011
- Ricoh Company, Ltd.
- Kiichiro Nishina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging optical system, camera apparatus, and personal digital assi...
- Patent number 7,869,143
- Issue date Jan 11, 2011
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens, imaging apparatus, and personal data assistant
- Patent number 7,864,443
- Issue date Jan 4, 2011
- Ricoh Company, Ltd.
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Grant
Zoom lens unit and imaging apparatus
- Patent number 7,719,773
- Issue date May 18, 2010
- Ricoh Company, Ltd.
- Hiromichi Atsuumi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY
- Publication number 20240264440
- Publication date Aug 8, 2024
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
HEAD-MOUNTED DISPLAY AND EYEGLASSES
- Publication number 20240201501
- Publication date Jun 20, 2024
- Aino HASEGAWA
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY
- Publication number 20240118549
- Publication date Apr 11, 2024
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY
- Publication number 20240085701
- Publication date Mar 14, 2024
- Takemasa TSUTSUI
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY
- Publication number 20240019699
- Publication date Jan 18, 2024
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE MEMBER AND DISPLAY DEVICE
- Publication number 20230280592
- Publication date Sep 7, 2023
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
OPTICAL SYSTEM FOR VIRTUAL IMAGE DISPLAY DEVICE, VIRTUAL IMAGE DISP...
- Publication number 20230266595
- Publication date Aug 24, 2023
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
PROPAGATION OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY APPARATUS, AND HE...
- Publication number 20230088184
- Publication date Mar 23, 2023
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE AND VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20230039870
- Publication date Feb 9, 2023
- Susumu MOMMA
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE AND VIRTUAL-IMAGE DISPLAY DEVICE
- Publication number 20230003931
- Publication date Jan 5, 2023
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS
- Publication number 20220252838
- Publication date Aug 11, 2022
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220057640
- Publication date Feb 24, 2022
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE
- Publication number 20220026716
- Publication date Jan 27, 2022
- Ricoh Company, Ltd.
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
HEAD-MOUNTED DISPLAY DEVICE
- Publication number 20210165221
- Publication date Jun 3, 2021
- Aino HASEGAWA
- G02 - OPTICS
Information Patent Application
ZOOM LENS SYSTEM AND IMAGING APPARATUS PROVIDED WITH THE SAME
- Publication number 20200174269
- Publication date Jun 4, 2020
- Yoshifumi Sudoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING LENS, IMAGING APPRATUS, INSPECTION APPARATUS
- Publication number 20180275380
- Publication date Sep 27, 2018
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
IMAGE FORMING LENS AND IMAGE CAPTURING DEVICE
- Publication number 20160077308
- Publication date Mar 17, 2016
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
IMAGE FORMING LENS AND IMAGE CAPTURING DEVICE
- Publication number 20160077310
- Publication date Mar 17, 2016
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
IMAGE FORMING LENS AND IMAGE CAPTURING DEVICE
- Publication number 20160077309
- Publication date Mar 17, 2016
- Kazuyasu OHASHI
- G02 - OPTICS
Information Patent Application
ZOOM LENS UNIT AND CAMERA
- Publication number 20150260969
- Publication date Sep 17, 2015
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
ZOOM LENS, CAMERA, AND PORTABLE INFORMATION TERMINAL DEVICE
- Publication number 20150241675
- Publication date Aug 27, 2015
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
ZOOM LENS AND DEVICE HAVING ZOOM LENS
- Publication number 20150070780
- Publication date Mar 12, 2015
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Application
ZOOM LENS, CAMERA, AND PORTABLE INFORMATION DEVICE
- Publication number 20150043087
- Publication date Feb 12, 2015
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Application
IMAGING LENS SYSTEM AND IMAGING SYSTEM INCLUDING THE SAME
- Publication number 20140293457
- Publication date Oct 2, 2014
- RICOH COMPANY, LTD.
- Yoshifumi SUDOH
- G02 - OPTICS
Information Patent Application
OPTICAL IMAGING SYSTEM, CAMERA DEVICE, AND HAND-HELD DATA TERMINAL...
- Publication number 20120127586
- Publication date May 24, 2012
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Application
ZOOM LENS, IMAGING APPARATUS, AND INFORMATION DEVICE
- Publication number 20110228408
- Publication date Sep 22, 2011
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Application
ZOOM LENS, IMAGING DEVICE AND INFORMATION DEVICE
- Publication number 20110222169
- Publication date Sep 15, 2011
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Application
Imaging Optical System, Camera Apparatus, and Personal Digital Assi...
- Publication number 20110069402
- Publication date Mar 24, 2011
- Yoshifumi Sudoh
- G02 - OPTICS
Information Patent Application
IMAGING OPTICAL SYSTEM, CAMERA AND PERSONAL DIGITAL ASSISTANT
- Publication number 20110051260
- Publication date Mar 3, 2011
- Takahiro NAKAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL IMAGING SYSTEM, CAMERA DEVICE, AND HAND-HELD DATA TERMINAL...
- Publication number 20110043927
- Publication date Feb 24, 2011
- Yoshifumi Sudoh
- G02 - OPTICS

Yoshifumi Sudoh

Person

Patents Grantslast 30 patents

Propagation optical system and virtual image display device

Propagation optical system, virtual image display apparatus, and he...

Virtual image display device

Head-mounted display device with adjuster

Zoom lens system and imaging apparatus provided with the same

Image forming lens, imaging appratus, inspection apparatus

Image forming lens and image capturing device

Image forming lens and image capturing device

Image forming lens and image capturing device

Zoom lens unit and imaging apparatus

Zoom lens, camera, and portable information terminal device

Zoom lens and camera

Zoom lens and device having zoom lens

Zoom lens unit and camera

Zoom lens, camera, and portable information device

Imaging lens system and imaging system including the same

Optical imaging system, camera device, and hand-held data terminal...

Zoom lens, imaging apparatus, and information device

Zoom lens, imaging device and information device

Imaging optical system, camera and personal digital assistant

Image forming lens, camera device, and handheld terminal

Optical imaging system, camera device, and hand-held data terminal...

Image reader and image formation apparatus

Imaging optical system, camera apparatus, and personal digital assi...

Illumination unit, image read apparatus, image formation apparatus

Image forming lens, camera and portable information terminal

Image reading apparatus and image forming apparatus

Imaging optical system, camera apparatus, and personal digital assi...

Zoom lens, imaging apparatus, and personal data assistant

Zoom lens unit and imaging apparatus

Patents Applicationslast 30 patents

OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY

HEAD-MOUNTED DISPLAY AND EYEGLASSES

OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY

OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY

OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY

LIGHT GUIDE MEMBER AND DISPLAY DEVICE

OPTICAL SYSTEM FOR VIRTUAL IMAGE DISPLAY DEVICE, VIRTUAL IMAGE DISP...

PROPAGATION OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY APPARATUS, AND HE...

LIGHT GUIDE AND VIRTUAL IMAGE DISPLAY DEVICE

LIGHT GUIDE AND VIRTUAL-IMAGE DISPLAY DEVICE

LENS UNIT, OPTICAL SYSTEM, AND ELECTRONIC APPARATUS

VIRTUAL IMAGE DISPLAY DEVICE

PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE

HEAD-MOUNTED DISPLAY DEVICE

ZOOM LENS SYSTEM AND IMAGING APPARATUS PROVIDED WITH THE SAME

IMAGE FORMING LENS, IMAGING APPRATUS, INSPECTION APPARATUS

IMAGE FORMING LENS AND IMAGE CAPTURING DEVICE

IMAGE FORMING LENS AND IMAGE CAPTURING DEVICE

IMAGE FORMING LENS AND IMAGE CAPTURING DEVICE

ZOOM LENS UNIT AND CAMERA

ZOOM LENS, CAMERA, AND PORTABLE INFORMATION TERMINAL DEVICE

ZOOM LENS AND DEVICE HAVING ZOOM LENS

ZOOM LENS, CAMERA, AND PORTABLE INFORMATION DEVICE

IMAGING LENS SYSTEM AND IMAGING SYSTEM INCLUDING THE SAME

OPTICAL IMAGING SYSTEM, CAMERA DEVICE, AND HAND-HELD DATA TERMINAL...

ZOOM LENS, IMAGING APPARATUS, AND INFORMATION DEVICE

ZOOM LENS, IMAGING DEVICE AND INFORMATION DEVICE

Imaging Optical System, Camera Apparatus, and Personal Digital Assi...

IMAGING OPTICAL SYSTEM, CAMERA AND PERSONAL DIGITAL ASSISTANT

OPTICAL IMAGING SYSTEM, CAMERA DEVICE, AND HAND-HELD DATA TERMINAL...