Inventor · disambiguated record
Makoto Iikawa
Also filed as: IIKAWA MAKOTO
38 granted patents·315 citations·filing 1997–2019
97Inventor score
Top patents by PatentIndex Score
38 records- 0189US6341902B1Photographic lens recognition system for a camera bodyASAHI OPTICAL CO LTD·Filed 1998·Granted Jan 29, 2002·34 cites·21 claims
- 0289US6269227B1Lens hoodASAHI OPTICAL CO LTD·Filed 2000·Granted Jul 31, 2001·28 cites·17 claims
- 0382US9310669B2Camera body, lens barrel and lens-interchangeable cameraIIKAWA MAKOTO·Filed 2012·Granted Apr 12, 2016·5 cites·11 claims
- 0481US6631035B2Varifocal lens barrel and a lens drive mechanismPENTAX CORP·Filed 2002·Granted Oct 7, 2003·25 cites·40 claims
- 0580US9197801B2Camera body, lens barrel and lens-interchangeable cameraIIKAWA MAKOTO·Filed 2012·Granted Nov 24, 2015·5 cites·15 claims
- 0679US6178295B1Lens movement control deviceASAHI OPTICAL CO LTD·Filed 1999·Granted Jan 23, 2001·16 cites·6 claims
- 0778US9134590B2Camera bodyIIKAWA MAKOTO·Filed 2012·Granted Sep 15, 2015·4 cites·12 claims
- 0878US9103967B2Gear mechanismIIKAWA MAKOTO·Filed 2011·Granted Aug 11, 2015·6 cites·16 claims
- 0978US7454135B2Camera system incorporating a seamless lens-drive switching mechanismHOYA CORP·Filed 2005·Granted Nov 18, 2008·9 cites·19 claims
- 1076US11445095B2Image-sensor fixing structureRICOH CO LTD·Filed 2019·Granted Sep 13, 2022·2 cites·7 claims
- 1176US10852503B2Joint structureRICOH CO LTD·Filed 2019·Granted Dec 1, 2020·2 cites·20 claims
- 1274US6333825B1Vari-focal lensASAHI KOGAKU KOGYO KABUHSIKI K·Filed 2000·Granted Dec 25, 2001·21 cites·10 claims
- 1373US6388826B2Device for adjusting the eccentricity of a lens in a frameASAHI OPTICAL CO LTD·Filed 2001·Granted May 14, 2002·15 cites·16 claims
- 1472US10942343B2Optical system and imaging apparatusTORIUMI YUJI·Filed 2019·Granted Mar 9, 2021·2 cites·11 claims
- 1572US6236523B1Floating lens barrel, lens barrel, and a common lens barrel systemASAHI OPTICAL CO LTD·Filed 2000·Granted May 22, 2001·13 cites·5 claims
- 1671US7468848B2Fixing method for resin lensHOYA CORP·Filed 2007·Granted Dec 23, 2008·5 cites·9 claims
- 1770US6747807B2Lens barrelPENTAX CORP·Filed 2002·Granted Jun 8, 2004·13 cites·48 claims
- 1867US6829103B2Lens barrelPENTAX CORP·Filed 2003·Granted Dec 7, 2004·10 cites·6 claims
- 1967US5969889ALens barrelASAHI OPTICAL CO LTD·Filed 1998·Granted Oct 19, 1999·32 cites·12 claims
- 2066US7102837B2One-way rotational transfer mechanism, and a lens barrel incorporating the samePENTAX CORP·Filed 2004·Granted Sep 5, 2006·10 cites·49 claims
- 2166US5884110AAutomatic diaphragm apparatus for lensASAHI OPTICAL CO LTD·Filed 1997·Granted Mar 16, 1999·9 cites·4 claims
- 2265US7756405B2Interchangeable lens, and a camera system including an interchangeable lensHOYA CORP·Filed 2007·Granted Jul 13, 2010·2 cites·6 claims
- 2364US7099576B2Lens barrel incorporating a one-way rotational transfer mechanismPENTAX CORP·Filed 2004·Granted Aug 29, 2006·9 cites·69 claims
- 2463US7213693B2Rotational transfer mechanismPENTAX CORP·Filed 2004·Granted May 8, 2007·7 cites·26 claims
- 2561US7408726B2Lens alignment apparatusHOYA CORP·Filed 2006·Granted Aug 5, 2008·2 cites·3 claims
- 2661US6867926B2Cam rib support structurePENTAX CORP·Filed 2003·Granted Mar 15, 2005·7 cites·9 claims
- 2758US7004672B2Bayonet coupling for axially mounting one of two relatively rotatable ring-shaped members on the otherPENTAX CORP·Filed 2004·Granted Feb 28, 2006·4 cites·8 claims
- 2855US7201262B2One-way rotational transfer mechanismPENTAX CORP·Filed 2004·Granted Apr 10, 2007·4 cites·40 claims
- 2954US6778332B2Soft focus lens barrelPENTAX CORP·Filed 2003·Granted Aug 17, 2004·4 cites·7 claims
- 3050US7639439B2Lens alignment apparatusHOYA CORP·Filed 2008·Granted Dec 29, 2009·0 cites·7 claims
- 3149US6876499B2Cam mechanismPENTAX CORP·Filed 2003·Granted Apr 5, 2005·2 cites·10 claims
- 3247US6888690B2Hot crimping structure and method for fixing a lens to a lens frame, and hot crimping tool thereforPENTAX CORP·Filed 2003·Granted May 3, 2005·1 cites·11 claims
- 3344US12135464B2Optical system and imaging apparatusRICOH CO LTD·Filed 2019·Granted Nov 5, 2024·0 cites·16 claims
- 3441US6594088B2Method for molding cam ring with convex cams, molding die assembly, and molded cam ringPENTAX CORP·Filed 2001·Granted Jul 15, 2003·0 cites·8 claims
- 3540US8976460B2Varifocal lens barrelIIKAWA MAKOTO·Filed 2011·Granted Mar 10, 2015·0 cites·17 claims
- 3640US6118601AFloating lens barrel, lens barrel, and a common lens barrel systemASAHI OPTICAL CO LTD·Filed 1998·Granted Sep 12, 2000·7 cites·9 claims
- 3739US8508873B2Water-resistant structure of a lens barrelIIKAWA MAKOTO·Filed 2010·Granted Aug 13, 2013·0 cites·17 claims
- 3829US6552671B2Brush encoder with resilient contact stripsPENTAX CORP·Filed 2001·Granted Apr 22, 2003·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →