Inventor · disambiguated record
Yasuji Ogata
Also filed as: OGATA YASUJI
37 granted patents·407 citations·filing 1984–2017
97Inventor score
Top patents by PatentIndex Score
37 records- 0188US9885852B2Converter lens device and photographing system including the sameOLYMPUS CORP·Filed 2016·Granted Feb 6, 2018·5 cites·27 claims
- 0287US10409032B2Converter lens device and photographing system including the sameOLYMPUS CORP·Filed 2017·Granted Sep 10, 2019·4 cites·14 claims
- 0386US8654448B2Inner focus lens system and image pickup apparatus using the sameOLYMPUS IMAGING CORP·Filed 2012·Granted Feb 18, 2014·8 cites·16 claims
- 0484US9075291B2Teleconverter, and imaging system comprising the sameOLYMPUS IMAGING CORP·Filed 2013·Granted Jul 7, 2015·4 cites·24 claims
- 0583US8767310B2Zoom lens, and imaging apparatus incorporating the sameOLYMPUS IMAGING CORP·Filed 2013·Granted Jul 1, 2014·5 cites·19 claims
- 0683US6069743AZoom lens systemOLYMPUS OPTICAL CO·Filed 1998·Granted May 30, 2000·62 cites·14 claims
- 0781US9904030B2Teleconverter, and imaging system comprising the sameOLYMPUS CORP·Filed 2016·Granted Feb 27, 2018·2 cites·15 claims
- 0880US9261682B2Zoom lensOLYMPUS CORP·Filed 2014·Granted Feb 16, 2016·3 cites·80 claims
- 0980US6122080AFinder equipped with an indicatorOLYMPUS OPTICAL CO·Filed 1999·Granted Sep 19, 2000·16 cites·12 claims
- 1078US8582212B2Zoom lens, and imaging apparatus incorporating the sameOGATA YASUJI·Filed 2011·Granted Nov 12, 2013·6 cites·15 claims
- 1172US5982544AZoom lens system having a diffractive surfaceOLYMPUS OPTICAL CO·Filed 1998·Granted Nov 9, 1999·36 cites·10 claims
- 1270US10107992B2Telephoto lens and image pickup apparatus using the sameOLYMPUS CORP·Filed 2015·Granted Oct 23, 2018·2 cites·22 claims
- 1369US5877850ADistance measuring apparatusOLYMPUS OPTICAL CO·Filed 1997·Granted Mar 2, 1999·32 cites·41 claims
- 1468US5663836ACompact zoom lens system comprising two lens unitsOLYMPUS OPTICAL CO·Filed 1996·Granted Sep 2, 1997·33 cites·10 claims
- 1567US8711489B2Zoom lensKIMATA HIROHIKO·Filed 2012·Granted Apr 29, 2014·2 cites·17 claims
- 1666US7215481B2Taking lens, and imaging device incorporating the sameOLYMPUS CORP·Filed 2004·Granted May 8, 2007·9 cites·16 claims
- 1763US9507131B2Teleconverter and image pickup system using the sameOLYMPUS CORP·Filed 2015·Granted Nov 29, 2016·1 cites·24 claims
- 1861US5069536AZoom lens systemOLYMPUS OPTICAL CO·Filed 1989·Granted Dec 3, 1991·20 cites·7 claims
- 1961US4786153ALarge-aperture macro lens systemOLYMPUS OPTICAL CO·Filed 1987·Granted Nov 22, 1988·20 cites·11 claims
- 2060US6097547AFront converter lens system using a diffractive surfaceOLYMPUS OPTICAL CO·Filed 1998·Granted Aug 1, 2000·22 cites·15 claims
- 2153US9563106B2Teleconverter mounted on a master lens apparatus to obtain a lens system having a focal length longer than that of the master lens apparatus, and imaging system comprising the sameOLYMPUS CORP·Filed 2015·Granted Feb 7, 2017·0 cites·9 claims
- 2253US5949577ALens system including a diffractive optical elementOLYMPUS OPTICAL CO·Filed 1997·Granted Sep 7, 1999·16 cites·3 claims
- 2353US4789226AZoom lens systemOLYMPUS OPTICAL CO·Filed 1984·Granted Dec 6, 1988·12 cites·9 claims
- 2452US9507133B2Zoom lensOLYMPUS CORP·Filed 2016·Granted Nov 29, 2016·0 cites·41 claims
- 2551US5339195ATwo unit zoom lens systemOLYMPUS OPTICAL CO·Filed 1992·Granted Aug 16, 1994·15 cites·12 claims
- 2650US9459433B2Zoom lens and zoom lens apparatus using the sameOLYMPUS CORP·Filed 2014·Granted Oct 4, 2016·0 cites·27 claims
- 2750US6034819ADiffractive optical element both surfaces of which comprise diffractive surfacesOLYMPUS OPTICAL CO·Filed 1997·Granted Mar 7, 2000·14 cites·2 claims
- 2848US8988783B2Zoom lens and image pickup apparatus equipped with sameOLYMPUS IMAGING CORP·Filed 2013·Granted Mar 24, 2015·0 cites·20 claims
- 2946US4836662ATelephoto zoom lens systemOLYMPUS OPTICAL CO·Filed 1986·Granted Jun 6, 1989·11 cites·12 claims
- 3043US5666233ATwo-unit zoom lens system having a high zoom ratioOLYMPUS OPTICAL CO·Filed 1994·Granted Sep 9, 1997·10 cites·21 claims
- 3140US5353160AThree-unit compact zoom lens systemOLYMPUS OPTICAL CO·Filed 1992·Granted Oct 4, 1994·8 cites·22 claims
- 3238US4815829ATelephoto zoom lens systemOLYMPUS OPTICAL CO·Filed 1986·Granted Mar 28, 1989·7 cites·15 claims
- 3337US5546236AWide-angle photographic lens systemOLYMPUS OPTICAL CO·Filed 1994·Granted Aug 13, 1996·8 cites·28 claims
- 3435US5684638ATwo-unit zoom lens system having high zoom ratioOLYMPUS OPTICAL CO·Filed 1995·Granted Nov 4, 1997·5 cites·11 claims
- 3533US5459616ATwo-unit zoom lens systemOLYMPUS OPTICAL CO·Filed 1993·Granted Oct 17, 1995·4 cites·3 claims
- 3632US5640276AFour-unit zoom lens system having a high zoom ratioOLYMPUS OPTICAL CO·Filed 1994·Granted Jun 17, 1997·2 cites·39 claims
- 3732US4708443AZoom lens systemOLYMPUS OPTICAL CO·Filed 1986·Granted Nov 24, 1987·3 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →