Inventor · disambiguated record
Yasuyuki Shibayama
Also filed as: SHIBAYAMA YASUYUKI
32 granted patents·3 pending applications·141 citations·filing 1996–2020
96Inventor score
Top patents by PatentIndex Score
35 records- 0193US9039196B2Image displaying apparatus having plane mirror at conjugate to image displaying elementHIRAKAWA MAKOTO·Filed 2012·Granted May 26, 2015·14 cites·8 claims
- 0293US8922883B2Magnification optical systemTATSUNO HIBIKI·Filed 2012·Granted Dec 30, 2014·13 cites·15 claims
- 0392US9841584B2Magnification optical systemTATSUNO HIBIKI·Filed 2016·Granted Dec 12, 2017·6 cites·10 claims
- 0492US9069238B2Image displaying apparatusRICOH CO LTD·Filed 2012·Granted Jun 30, 2015·8 cites·17 claims
- 0591US9864177B2Projection optical system, projection apparatus, and projection systemTAKANO YOHEI·Filed 2016·Granted Jan 9, 2018·6 cites·18 claims
- 0689US7702198B2Semiconductor laser module and light scanning device and image forming apparatus using the sameRICOH KK·Filed 2008·Granted Apr 20, 2010·12 cites·18 claims
- 0788US9348121B2Magnification optical systemTATSUNO HIBIKI·Filed 2015·Granted May 24, 2016·4 cites·11 claims
- 0886US9046674B2Magnification optical systemTATSUNO HIBIKI·Filed 2014·Granted Jun 2, 2015·4 cites·8 claims
- 0983US10310238B2Magnification optical systemRICOH CO LTD·Filed 2017·Granted Jun 4, 2019·2 cites·15 claims
- 1074US7347629B2Semiconductor laser module for optical scannerRICOH PRINTING SYS LTD·Filed 2006·Granted Mar 25, 2008·7 cites·23 claims
- 1172US9690179B2Illumination unit and image display device incorporating sameSHIBAYAMA YASUYUKI·Filed 2014·Granted Jun 27, 2017·2 cites·14 claims
- 1269US10962750B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2020·Granted Mar 30, 2021·0 cites·16 claims
- 1369US6621511B2Optical recording apparatus including light-transmitting diffraction grating and multi-channel acousto-optic modulatorHITACHI PRINTING SOLUTIONS LTD·Filed 2001·Granted Sep 16, 2003·12 cites·2 claims
- 1466US7542642B2Multi-beam generating device and optical recording device using the sameRICOH PRINTING SYS LTD·Filed 2007·Granted Jun 2, 2009·4 cites·5 claims
- 1565US10606042B2Magnification optical systemRICOH CO LTD·Filed 2019·Granted Mar 31, 2020·0 cites·9 claims
- 1664US7287918B2Semiconductor laser moduleRICOH PRINTING SYS LTD·Filed 2005·Granted Oct 30, 2007·3 cites·18 claims
- 1764US5737133AModule for optical fiber receptacle used in a scanning deviceHITACHI KOKI KK·Filed 1996·Granted Apr 7, 1998·29 cites·6 claims
- 1863US10585269B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2019·Granted Mar 10, 2020·0 cites·16 claims
- 1963US8310517B2Optical scanning device and image forming apparatusSHIBAYAMA YASUYUKI·Filed 2010·Granted Nov 13, 2012·1 cites·8 claims
- 2061US2020004129A1Focus adjustment system for an image display deviceTATSUNO HIBIKI·Filed 2019·Application pending·0 cites
- 2160US10228546B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2017·Granted Mar 12, 2019·0 cites·16 claims
- 2259US8913098B2Optical scanning device and image forming apparatusSHIBAYAMA YASUYUKI·Filed 2011·Granted Dec 16, 2014·1 cites·16 claims
- 2357US7969460B2Optical scanning device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jun 28, 2011·1 cites·8 claims
- 2454US10451961B2Focus adjustment system for an image display deviceTATSUNO HIBIKI·Filed 2012·Granted Oct 22, 2019·0 cites·18 claims
- 2554US6753991B2Optical recording apparatusHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Jun 22, 2004·4 cites·9 claims
- 2652US7755823B2Optical device, semiconductor laser module, optical scanning device, and image forming apparatusRICOH KK·Filed 2007·Granted Jul 13, 2010·0 cites·18 claims
- 2747US8901472B2Image displaying apparatus including a projection optical system and a reflective image display element with plural micro-mirrorsSHIBAYAMA YASUYUKI·Filed 2012·Granted Dec 2, 2014·0 cites·10 claims
- 2845US9158119B2Enlargement optical systemNISHINA KIICHIRO·Filed 2012·Granted Oct 13, 2015·0 cites·8 claims
- 2945US2013107166A1Image displaying apparatusOSAKA TAKANOBU·Filed 2012·Application pending·0 cites
- 3043US7439998B2Optical recording apparatusRICOH PRINTING SYS LTD·Filed 2007·Granted Oct 21, 2008·0 cites·7 claims
- 3143US2020333586A1Image formation deviceMAXELL LTD·Filed 2018·Application pending·0 cites
- 3242US8456502B2Optical scanner and image forming apparatus using the sameSHIBAYAMA YASUYUKI·Filed 2011·Granted Jun 4, 2013·0 cites·14 claims
- 3338US5719832AOptical recording apparatus using optical fibers for guiding laser beamsHITACHI KOKI KK·Filed 1996·Granted Feb 17, 1998·8 cites·7 claims
- 3437US9864260B2Image display apparatus and image display unitSHIBAYAMA YASUYUKI·Filed 2016·Granted Jan 9, 2018·0 cites·10 claims
- 3534US7327664B2Optical recording apparatusRICOH PRINTING SYS LTD·Filed 2004·Granted Feb 5, 2008·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →