Inventor · disambiguated record
Kazuyuki Iwasa
Also filed as: IWASA KAZUYUKI
24 granted patents·472 citations·filing 1987–2016
96Inventor score
Top patents by PatentIndex Score
24 records- 0195US4945372ACameraOLYMPUS OPTICAL CO·Filed 1989·Granted Jul 31, 1990·56 cites·14 claims
- 0294US6341901B1Photographing lens of a camera having a mask for blocking off noise light which generates in relation to a non-circular lensOLYMPUS OPTICAL CO·Filed 1999·Granted Jan 29, 2002·50 cites·8 claims
- 0390US6204977B1Lens barrelOLYMPUS OPTICAL CO·Filed 1999·Granted Mar 20, 2001·97 cites·36 claims
- 0483US4885600AZoom mechanism for a zoom lens in cameras and the likeOLYMPUS OPTICAL CO·Filed 1988·Granted Dec 5, 1989·51 cites·7 claims
- 0581US5822638ACameraOLYMPUS OPTICAL CO·Filed 1997·Granted Oct 13, 1998·23 cites·30 claims
- 0679US7221868B2Camera and photographing lens barrelOLYMPUS CORP·Filed 2005·Granted May 22, 2007·7 cites·26 claims
- 0778US9557540B2Plurality of imaging optical systems and image pickup apparatus using the sameOLYMPUS CORP·Filed 2016·Granted Jan 31, 2017·2 cites·28 claims
- 0877US9671596B2Plurality of imaging optical systems and image pickup apparatus using the sameOLYMPUS CORP·Filed 2016·Granted Jun 6, 2017·2 cites·34 claims
- 0976US7343092B2Attachment structure of adapterOLYMPUS CORP·Filed 2005·Granted Mar 11, 2008·5 cites·14 claims
- 1076US6811331B2Lens shutter systemOLYMPUS CORP·Filed 2003·Granted Nov 2, 2004·11 cites·7 claims
- 1174US7911721B2Lens barrelOLYMPUS IMAGING CORP·Filed 2008·Granted Mar 22, 2011·4 cites·8 claims
- 1272US9557517B2Lens barrelOLYMPUS CORP·Filed 2013·Granted Jan 31, 2017·3 cites·4 claims
- 1372US5831777APositioning adjustment mechanism for a lens incorporating a CAM/CAM follower arrangementOLYMPUS OPTICAL CO·Filed 1996·Granted Nov 3, 1998·36 cites·16 claims
- 1471US9989728B2Plurality of imaging optical systems and image pickup apparatus using the sameOLYMPUS CORP·Filed 2016·Granted Jun 5, 2018·1 cites·28 claims
- 1571US6157501ALens holding structureOLYMPUS OPTICAL CO·Filed 1999·Granted Dec 5, 2000·34 cites·26 claims
- 1667US6904236B2Camera and photographing lens barrelOLYMPUS CORP·Filed 2003·Granted Jun 7, 2005·6 cites·11 claims
- 1761US6198578B1Cam follower and lens barrelOLYMPUS OPTICAL CO·Filed 1999·Granted Mar 6, 2001·23 cites·34 claims
- 1859US4924253ADrive apparatus for a focusing lensOLYMPUS OPTICAL CO·Filed 1988·Granted May 8, 1990·19 cites·18 claims
- 1959US4764784ACamera with a built-in zoom lensOLYMPUS OPTICAL CO·Filed 1987·Granted Aug 16, 1988·19 cites·16 claims
- 2057US8861094B2Lens barrelIWASA KAZUYUKI·Filed 2012·Granted Oct 14, 2014·1 cites·15 claims
- 2157US6443636B1Stop deviceOLYMPUS OPTICAL CO·Filed 1999·Granted Sep 3, 2002·5 cites·24 claims
- 2246US6256458B1Lens housingOLYMPUS OPTICAL CO·Filed 1999·Granted Jul 3, 2001·12 cites·14 claims
- 2337US6152614AShutter assemblyOLYMPUS OPTICAL CO·Filed 1999·Granted Nov 28, 2000·1 cites·27 claims
- 2435US6268968B1Lens housingOLYMPUS OPTICAL CO·Filed 1999·Granted Jul 31, 2001·4 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →