Inventor · disambiguated record
Tetsuo Saimi
Also filed as: SAIMI TETSUO
42 granted patents·4 pending applications·1,054 citations·filing 1981–2007
98Inventor score
Top patents by PatentIndex Score
46 records- 0195US6650612B1Optical head and recording reproduction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 18, 2003·65 cites·22 claims
- 0295US6430137B1Aberration detection device and optical information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 6, 2002·78 cites·3 claims
- 0395US4929823AOptical pickup head with holographic servo signal detection using a spot size detection systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted May 29, 1990·65 cites·16 claims
- 0494US6834036B1Optical head for a plurality of types of information recording mediaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 21, 2004·83 cites·52 claims
- 0593US7158450B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 2, 2007·23 cites·4 claims
- 0693US6532202B1Optical element, optical head and optical recording reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 11, 2003·48 cites·31 claims
- 0793US5111448AOptical pickup head having a hologram-associated objective lens and optical information processing apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 5, 1992·56 cites·8 claims
- 0892US4447722AOptical information reading deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted May 8, 1984·41 cites·4 claims
- 0990US6661750B2Aberration detection device and optical information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 9, 2003·22 cites·24 claims
- 1090US4734904AReproducing-only and recordable-reproduceable optical discs and common optical disc player thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Mar 29, 1988·44 cites·2 claims
- 1189US5963523AOptical recording medium discriminating apparatus using laser beams of different wavelengthsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Oct 5, 1999·63 cites·17 claims
- 1289US5648951AMovable optical head integrally incorporated with objective lens and hologram elementMATSUSHITA ELECTRIC CO LTD·Filed 1995·Granted Jul 15, 1997·65 cites·16 claims
- 1387US6987598B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 17, 2006·12 cites·11 claims
- 1487US6549346B2Assembled lens, optical head and optical recordable player with themMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 15, 2003·22 cites·34 claims
- 1586US6480454B1Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 12, 2002·44 cites·44 claims
- 1685US7034980B2Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 25, 2006·3 cites·15 claims
- 1784US4507766AOptical device for optically recording and reproducing information signals on an information carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Mar 26, 1985·26 cites·5 claims
- 1882US6304526B1Optical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 16, 2001·39 cites·12 claims
- 1981US7170664B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 30, 2007·2 cites·11 claims
- 2079US5315574AOptical head with polarized beam hologramMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 24, 1994·28 cites·15 claims
- 2178US6856584B2Aberration detection device and optical information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 15, 2005·9 cites·22 claims
- 2277US5687153AOptical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to corresponding photo detector areasMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 11, 1997·31 cites·11 claims
- 2376US7352664B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 1, 2008·1 cites·6 claims
- 2476US5091793AOptical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Feb 25, 1992·25 cites·6 claims
- 2574US6584059B1Information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 24, 2003·10 cites·6 claims
- 2674US6414930B1Optical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jul 2, 2002·24 cites·26 claims
- 2773US5151889AOptical head device using cross-polarized from a light source for use in optical disk systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Sep 29, 1992·22 cites·8 claims
- 2870US6567358B1Information recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 20, 2003·17 cites·10 claims
- 2966US7580327B2Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodPANASONIC CORP·Filed 2007·Granted Aug 25, 2009·0 cites·2 claims
- 3061US5748599AHolographic optical deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 5, 1998·12 cites·11 claims
- 3158US6327238B1Optical disk deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 4, 2001·20 cites·2 claims
- 3258US5757754AHolographic optical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted May 26, 1998·11 cites·11 claims
- 3358US2006028927A1Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 3458US2006023607A1Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 3553US6487016B1Optical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Nov 26, 2002·10 cites·34 claims
- 3652US6714498B2Information recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 30, 2004·1 cites·19 claims
- 3752US5640380AOptical head with a translucent plate to split a light beamMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jun 17, 1997·10 cites·13 claims
- 3851US7038978B2Optical information recording and reproducing apparatus for recording information bits into an optical disk in a three dimensional arrangementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 2, 2006·1 cites·31 claims
- 3950US6504660B1Prism and manufacturing method thereof, optical beam shaping apparatus and optical head device utilizing such prism, and optical beam shaping methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 7, 2003·2 cites·14 claims
- 4046US5946137AOptical information processing unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 31, 1999·7 cites·8 claims
- 4145US2002036958A1Optical element, optical head, optical recording/reproducing apparatus and optical recording/reproducing methodFiled 2001·Application pending·0 cites
- 4243US5175717AOptical head having a fixed optical casing and a movable optical casingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Dec 29, 1992·7 cites·2 claims
- 4340US7126905B2Information recording medium and information recording/reproducing apparatus to increase recording densityMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 24, 2006·0 cites·9 claims
- 4440US6806964B2Optical recording and/or reproduction apparatus, tracking method, and optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 19, 2004·0 cites·12 claims
- 4539US2002122374A1Optical recording medium, optical information processing apparatus and optical recording and reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Application pending·0 cites
- 4637US6185056B1Prism and manufacturing method thereof, optical beam shaping apparatus and optical head device utilizing such prism, and optical beam shaping methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Feb 6, 2001·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →