Inventor
SUDOH YOSHIFUMI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “SUDOH YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUDOH YOSHIFUMI
19 patentsUS8139297B2Mar 20, 2012
Imaging optical system, camera apparatus, and personal digital assistant
SUDOH YOSHIFUMI8 citations84
US8405917B2Mar 26, 2013
Zoom lens, imaging device and information device
SUDOH YOSHIFUMI5 citations73
US11009688B2May 18, 2021
Image forming lens, imaging appratus, inspection apparatus
SUDOH YOSHIFUMI0 citations62
US9297988B2Mar 29, 2016
Zoom lens and device having zoom lens
SUDOH YOSHIFUMI2 citations62
US9170398B2Oct 27, 2015
Imaging lens system and imaging system including the same
SUDOH YOSHIFUMI2 citations62
US8284501B2Oct 9, 2012
Optical imaging system, camera device, and hand-held data terminal device
SUDOH YOSHIFUMI4 citations62
US12411343B2Sep 9, 2025
Optical system, virtual image display device, and head-mounted display
SUDOH YOSHIFUMI0 citations52
US12117668B2Oct 15, 2024
Propagation optical system, virtual image display apparatus, and head-mounted display
SUDOH YOSHIFUMI0 citations52
US9772469B2Sep 26, 2017
Image forming lens and image capturing device
SUDOH YOSHIFUMI1 citations52
US9690072B2Jun 27, 2017
Image forming lens and image capturing device
SUDOH YOSHIFUMI1 citations52
US9329367B2May 3, 2016
Zoom lens, camera, and portable information terminal device
SUDOH YOSHIFUMI1 citations52
US9325907B2Apr 26, 2016
Zoom lens and camera
SUDOH YOSHIFUMI1 citations52
US9213172B2Dec 15, 2015
Zoom lens unit and camera
SUDOH YOSHIFUMI1 citations52
US9195036B2Nov 24, 2015
Zoom lens, camera, and portable information device
SUDOH YOSHIFUMI1 citations52
US8553335B2Oct 8, 2013
Optical imaging system, camera device, and hand-held data terminal device
SUDOH YOSHIFUMI1 citations52
US8493665B2Jul 23, 2013
Zoom lens, imaging apparatus, and information device
SUDOH YOSHIFUMI1 citations52
US12181673B2Dec 31, 2024
Propagation optical system and virtual image display device
SUDOH YOSHIFUMI0 citations50
US12517361B2Jan 6, 2026
Optical system, virtual image display device, and head-mounted display
SUDOH YOSHIFUMI0 citations45
US9500876B2Nov 22, 2016
Zoom lens unit and imaging apparatus
SUDOH YOSHIFUMI0 citations41
RICOH CO LTD
8 patentsUS8018663B2Sep 13, 2011
Image forming lens, camera and portable information terminal
RICOH CO LTD23 citations92
US8379329B2Feb 19, 2013
Imaging optical system, camera and personal digital assistant
RICOH CO LTD10 citations84
US7869143B2Jan 11, 2011
Imaging optical system, camera apparatus, and personal digital assistant
RICOH CO LTD9 citations84
US7864443B2Jan 4, 2011
Zoom lens, imaging apparatus, and personal data assistant
RICOH CO LTD20 citations84
US8369030B2Feb 5, 2013
Image forming lens, camera device, and handheld terminal
RICOH CO LTD4 citations63
US7961365B2Jun 14, 2011
Image reading apparatus and image forming apparatus
RICOH CO LTD1 citations52
US11656461B2May 23, 2023
Head-mounted display device with adjuster
RICOH CO LTD0 citations50
US11237406B2Feb 1, 2022
Zoom lens system and imaging apparatus provided with the same
RICOH CO LTD0 citations50
RICOH KK
5 patentsUS7719773B2May 18, 2010
Zoom lens unit and imaging apparatus
RICOH KK22 citations92
US7636201B2Dec 22, 2009
Zoom lens and camera device including the same
RICOH KK26 citations92
US7535653B2May 19, 2009
Zoom lens, imaging device and camera device and mobile information terminal using the zoom lens
RICOH KK21 citations92
US7372636B2May 13, 2008
Zoom lens and image-taking device
RICOH KK27 citations92
US7623298B2Nov 24, 2009
Zoom lens, camera apparatus, and portable information terminal apparatus
RICOH KK18 citations84