Inventor · disambiguated record
Osamu Nagatsuka
Also filed as: NAGATSUKA OSAMU
25 granted patents·1 pending application·110 citations·filing 1989–2019
95Inventor score
Files withCANON KK26
Top patents by PatentIndex Score
26 records- 0191US10527836B2Microscope system, control method, and programCANON KK·Filed 2015·Granted Jan 7, 2020·8 cites·14 claims
- 0277US6411596B1Magneto-optical disk cartridge and magneto-optical disk apparatusCANON KK·Filed 2000·Granted Jun 25, 2002·12 cites·4 claims
- 0373US10634897B2Microscope system and control method thereofCANON KK·Filed 2015·Granted Apr 28, 2020·2 cites·25 claims
- 0472US10732397B2Microscope system, control method thereof, and programCANON KK·Filed 2015·Granted Aug 4, 2020·2 cites·10 claims
- 0572US10725309B2Microscope systemCANON KK·Filed 2015·Granted Jul 28, 2020·2 cites·20 claims
- 0671US6901599B2Optical-pickup feeding device, and optical-disk apparatus mounting the deviceCANON KK·Filed 2002·Granted May 31, 2005·8 cites·6 claims
- 0766US7106663B2Disk recording/reproducing apparatus provided with magnet head ascending/descending mechanismCANON KK·Filed 2003·Granted Sep 12, 2006·6 cites·4 claims
- 0863US11287632B2Microscope system, control method, and programCANON KK·Filed 2019·Granted Mar 29, 2022·0 cites·8 claims
- 0963US6624965B1Recording and/or reproducing apparatus including cassette mounting deviceCANON KK·Filed 2000·Granted Sep 23, 2003·4 cites·25 claims
- 1063US6038100ARecording and/or reproducing apparatus with variably damped cassette loading mechanismCANON KK·Filed 1995·Granted Mar 14, 2000·17 cites·24 claims
- 1161US6198596B1Cassette mounting device having lock lever spring disposed in cassette holderCANON KK·Filed 1998·Granted Mar 6, 2001·12 cites·6 claims
- 1258US11199688B2Stage apparatusCANON KK·Filed 2019·Granted Dec 14, 2021·0 cites·17 claims
- 1358US7339859B2Optical disk apparatus and optical pickup device equipped with spherical aberration mechanismCANON KK·Filed 2004·Granted Mar 4, 2008·3 cites·4 claims
- 1449US7002268B2Spindle motorCANON KK·Filed 2002·Granted Feb 21, 2006·4 cites·5 claims
- 1549US5587859ARecording and/or reproducing apparatus having rotary transformerCANON KK·Filed 1994·Granted Dec 24, 1996·7 cites·16 claims
- 1648US7680013B2Optical information recording and reproducing apparatusCANON KK·Filed 2006·Granted Mar 16, 2010·0 cites·11 claims
- 1746US5220475ARotary head drum unit with grooves or protrusions on a stationary drum for lessening tape contact during rewindingCANON KK·Filed 1990·Granted Jun 15, 1993·6 cites·17 claims
- 1845US11525994B2Adapter, microscope adjustment method, microscope system, and storage mediumCANON KK·Filed 2018·Granted Dec 13, 2022·0 cites·12 claims
- 1943US7516464B2Optical pickup device equipped with tilt adjusting mechanismCANON KK·Filed 2004·Granted Apr 7, 2009·0 cites·15 claims
- 2043US5107380ARotary head type recording or reproducing apparatus detecting the slack of the recording mediumCANON KK·Filed 1989·Granted Apr 21, 1992·5 cites·6 claims
- 2139US2002113503A1Spindle motorCANON KK·Filed 2002·Application pending·0 cites
- 2238US5335129AInterchangeable compact tape cassetteCANON KK·Filed 1991·Granted Aug 2, 1994·3 cites·4 claims
- 2337US5355264ARecording or reproducing apparatusCANON KK·Filed 1993·Granted Oct 11, 1994·3 cites·21 claims
- 2436US5710679AMagnetic recording and reproducing apparatusCANON KK·Filed 1995·Granted Jan 20, 1998·3 cites·13 claims
- 2535US5497278ACassette mounting device having cassette removal facility additional to customary insertion/ejection aperture partCANON KK·Filed 1994·Granted Mar 5, 1996·2 cites·13 claims
- 2633US6441989B2Recording and/or reproducing apparatus including a tape guide deviceCANON KK·Filed 1998·Granted Aug 27, 2002·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →