Inventor · disambiguated record
Tamotsu Koiwai
Also filed as: KOIWAI TAMOTSU
35 granted patents·391 citations·filing 1979–2015
97Inventor score
Top patents by PatentIndex Score
35 records- 0193US4294527AMotor driven cameraOLYMPUS OPTICAL CO·Filed 1980·Granted Oct 13, 1981·34 cites·14 claims
- 0287US6024457ALens barrelOLYMPUS OPTICAL CO·Filed 1998·Granted Feb 15, 2000·27 cites·19 claims
- 0385US4232956AData recordable cameraOLYMPUS OPTICAL CO·Filed 1979·Granted Nov 11, 1980·13 cites·7 claims
- 0484US5552845ACameraOLYMPUS OPTICAL CO·Filed 1993·Granted Sep 3, 1996·25 cites·12 claims
- 0582US6038087ASealing device and sealing device of cameraOLYMPUS OPTICAL CO·Filed 1998·Granted Mar 14, 2000·19 cites·18 claims
- 0681US8565591B2Lens barrel and camera systemTOYAMA MITSURU·Filed 2012·Granted Oct 22, 2013·7 cites·11 claims
- 0779US6487025B2Lens barrel having a plurality of lens frames which are relatively movable in forward and backward directionsOLYMPUS OPTICAL CO·Filed 2001·Granted Nov 26, 2002·20 cites·26 claims
- 0876US8660419B2Lens barrel and camera systemOLYMPUS IMAGING CORP·Filed 2013·Granted Feb 25, 2014·3 cites·11 claims
- 0973US6373641B2Lens barrelOLYMPUS OPTICAL CO·Filed 2001·Granted Apr 16, 2002·14 cites·16 claims
- 1072US4306791ASingle lens reflex cameraOLYMPUS OPTICAL CO·Filed 1979·Granted Dec 22, 1981·7 cites·10 claims
- 1171US6671108B2Optical apparatus including lensOLYMPUS OPTICAL CO·Filed 2002·Granted Dec 30, 2003·14 cites·20 claims
- 1271US6157501ALens holding structureOLYMPUS OPTICAL CO·Filed 1999·Granted Dec 5, 2000·34 cites·26 claims
- 1371US5933285ALens barrelOLYMPUS OPTICAL CO·Filed 1997·Granted Aug 3, 1999·36 cites·16 claims
- 1470US8553136B2Camera systemOLYMPUS IMAGING CORP·Filed 2013·Granted Oct 8, 2013·2 cites·7 claims
- 1567US6388825B1Support structure for positioning lens on retention frameOLYMPUS OPTICAL CO·Filed 2000·Granted May 14, 2002·10 cites·17 claims
- 1665US5748390AImaging lens systemOLYMPUS OPTICAL CO·Filed 1997·Granted May 5, 1998·28 cites·18 claims
- 1765US4272171ASingle-lens reflex cameraOLYMPUS OPTICAL CO·Filed 1979·Granted Jun 9, 1981·6 cites·11 claims
- 1863US9684147B2Changeable lens barrelOLYMPUS CORP·Filed 2015·Granted Jun 20, 2017·1 cites·16 claims
- 1962US6285515B1LensOLYMPUS OPTICAL CO·Filed 1999·Granted Sep 4, 2001·26 cites·19 claims
- 2061US8559807B2Camera system and lens barrelOLYMPUS IMAGING CORP·Filed 2013·Granted Oct 15, 2013·1 cites·18 claims
- 2161US6198578B1Cam follower and lens barrelOLYMPUS OPTICAL CO·Filed 1999·Granted Mar 6, 2001·23 cites·34 claims
- 2258US5678110ACartridge loading chamber of cameraOLYMPUS OPTICAL CO·Filed 1996·Granted Oct 14, 1997·6 cites·11 claims
- 2355US6538826B2Lens barrelOLYMPUS OPTICAL CO·Filed 2002·Granted Mar 25, 2003·5 cites·19 claims
- 2450USRE40685ELens barrel having a flare diaphragm which can advance into and retreat from the optical path to eliminate deleterious light resulting from movement of the lensOLYMPUS CORP·Filed 2001·Granted Mar 31, 2009·2 cites·30 claims
- 2550US6570719B2Lens barrel and method of assembling the sameOLYMPUS OPTICAL CO·Filed 2002·Granted May 27, 2003·3 cites·30 claims
- 2647US6795252B2Lens barrelOLYMPUS CORP·Filed 2002·Granted Sep 21, 2004·2 cites·22 claims
- 2743US5721975ACamera including means for controlling camera settings as a function of film curlOLYMPUS OPTICAL CO·Filed 1996·Granted Feb 24, 1998·2 cites·30 claims
- 2843US4634250AZoom lens barrelOLYMPUS OPTICAL CO·Filed 1985·Granted Jan 6, 1987·9 cites·13 claims
- 2940US6785059B2Lens barrelOLYMPUS CORP·Filed 2002·Granted Aug 31, 2004·0 cites·19 claims
- 3040US5369457APatroneOLYMPUS OPTICAL CO·Filed 1993·Granted Nov 29, 1994·3 cites·27 claims
- 3137US5495307ACameraOLYMPUS OPTICAL CO·Filed 1994·Granted Feb 27, 1996·2 cites·4 claims
- 3236US5978160ALens barrel having a flare diaphragm which can advance into and retreat from the optical path to eliminate deleterious light resulting from movement of the lensOLYMPUS OPTICAL CO·Filed 1997·Granted Nov 2, 1999·4 cites·23 claims
- 3333US6456446B1Lens holder provided with a lens holding frame which holds a lens having a circular outer diameterOLYMPUS OPTICAL CO·Filed 2000·Granted Sep 24, 2002·0 cites·7 claims
- 3432US5777802ALens barrel with a cam mechanism comprised of plastic materialOLYMPUS OPTICAL CO·Filed 1997·Granted Jul 7, 1998·3 cites·11 claims
- 3530US6154614ACamera optical system having nonphotographic lens formed integrally in photographic lens sectionOLYMPUS OPTICAL CO·Filed 1999·Granted Nov 28, 2000·0 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →