Inventor
SHIBAYAMA YASUYUKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “SHIBAYAMA YASUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
7 patentsUS9069238B2Jun 30, 2015
Image displaying apparatus
RICOH CO LTD8 citations84
US10310238B2Jun 4, 2019
Magnification optical system
RICOH CO LTD2 citations73
US10962750B2Mar 30, 2021
Projection optical system, projection apparatus, and projection system
RICOH CO LTD0 citations62
US10606042B2Mar 31, 2020
Magnification optical system
RICOH CO LTD0 citations52
US10585269B2Mar 10, 2020
Projection optical system, projection apparatus, and projection system
RICOH CO LTD0 citations52
US10228546B2Mar 12, 2019
Projection optical system, projection apparatus, and projection system
RICOH CO LTD0 citations52
US7969460B2Jun 28, 2011
Optical scanning device and image forming apparatus
RICOH CO LTD1 citations52
SHIBAYAMA YASUYUKI
6 patentsUS9690179B2Jun 27, 2017
Illumination unit and image display device incorporating same
SHIBAYAMA YASUYUKI2 citations71
US8913098B2Dec 16, 2014
Optical scanning device and image forming apparatus
SHIBAYAMA YASUYUKI1 citations51
US8310517B2Nov 13, 2012
Optical scanning device and image forming apparatus
SHIBAYAMA YASUYUKI1 citations51
US9864260B2Jan 9, 2018
Image display apparatus and image display unit
SHIBAYAMA YASUYUKI0 citations40
US8901472B2Dec 2, 2014
Image displaying apparatus including a projection optical system and a reflective image display element with plural micro-mirrors
SHIBAYAMA YASUYUKI0 citations40
US8456502B2Jun 4, 2013
Optical scanner and image forming apparatus using the same
SHIBAYAMA YASUYUKI0 citations40
TATSUNO HIBIKI
5 patentsUS8922883B2Dec 30, 2014
Magnification optical system
TATSUNO HIBIKI13 citations92
US9841584B2Dec 12, 2017
Magnification optical system
TATSUNO HIBIKI6 citations84
US9348121B2May 24, 2016
Magnification optical system
TATSUNO HIBIKI4 citations84
US9046674B2Jun 2, 2015
Magnification optical system
TATSUNO HIBIKI4 citations84
US10451961B2Oct 22, 2019
Focus adjustment system for an image display device
TATSUNO HIBIKI0 citations41
RICOH PRINTING SYS LTD
5 patentsUS7347629B2Mar 25, 2008
Semiconductor laser module for optical scanner
RICOH PRINTING SYS LTD7 citations72
US7287918B2Oct 30, 2007
Semiconductor laser module
RICOH PRINTING SYS LTD3 citations62
US7542642B2Jun 2, 2009
Multi-beam generating device and optical recording device using the same
RICOH PRINTING SYS LTD4 citations61
US7327664B2Feb 5, 2008
Optical recording apparatus
RICOH PRINTING SYS LTD0 citations49
US7439998B2Oct 21, 2008
Optical recording apparatus
RICOH PRINTING SYS LTD0 citations41