Inventor · disambiguated record
Mitsuharu Sawamura
Also filed as: SAWAMURA MITSUHARU
26 granted patents·5 pending applications·567 citations·filing 1978–2005
97Inventor score
Top patents by PatentIndex Score
31 records- 0188US4320936AFar ultraviolet dielectric multilayer filmCANON KK·Filed 1979·Granted Mar 23, 1982·51 cites·5 claims
- 0287US5648653AOptical filter having alternately laminated thin layers provided on a light receiving surface of an image sensorCANON KK·Filed 1994·Granted Jul 15, 1997·85 cites·11 claims
- 0387US4714308AUltraviolet reflecting mirrorCANON KK·Filed 1985·Granted Dec 22, 1987·63 cites·6 claims
- 0482US4658388AOptical recording medium which includes a corrosion resistant film of a mixture of a carbide and a nitrideCANON KK·Filed 1985·Granted Apr 14, 1987·27 cites·11 claims
- 0580US5715103ANeutral density (ND) filterCANON KK·Filed 1996·Granted Feb 3, 1998·59 cites·6 claims
- 0670US4415233AAchromatized beam splitter of low polarizationCANON KK·Filed 1982·Granted Nov 15, 1983·24 cites·5 claims
- 0768US4707820AOptical film and process for producing sameCANON KK·Filed 1984·Granted Nov 17, 1987·19 cites·7 claims
- 0868US4579777AOpto-magnetic recording mediumCANON KK·Filed 1985·Granted Apr 1, 1986·23 cites·10 claims
- 0967US5858450AFilm forming method and apparatus thereforCANON KK·Filed 1997·Granted Jan 12, 1999·32 cites·15 claims
- 1067US5582879ACluster beam deposition method for manufacturing thin filmCANON KK·Filed 1994·Granted Dec 10, 1996·25 cites·6 claims
- 1160US4777068AOptical recording mediumCANON KK·Filed 1985·Granted Oct 11, 1988·17 cites·24 claims
- 1260US4711821AOpto-magnetic recording mediumCANON KK·Filed 1985·Granted Dec 8, 1987·11 cites·5 claims
- 1359US7008059B2Color combining optical system and image projection apparatusCANON KK·Filed 2004·Granted Mar 7, 2006·6 cites·10 claims
- 1459US4741967AMagnetic recording mediumCANON KK·Filed 1984·Granted May 3, 1988·16 cites·9 claims
- 1557US4247167ADichroic mirror with at least ten layersCANON KK·Filed 1978·Granted Jan 27, 1981·13 cites·6 claims
- 1654US4695510AOpto-magnetic recording mediumCANON KK·Filed 1985·Granted Sep 22, 1987·15 cites·9 claims
- 1752US4261645AReflection preventive film having an aspherical layerCANON KK·Filed 1979·Granted Apr 14, 1981·12 cites·5 claims
- 1851US4637953AMagnetooptical recording medium with laminated anti-reflection filmCANON KK·Filed 1984·Granted Jan 20, 1987·14 cites·4 claims
- 1950US6957895B2Reflection mirror and optical equipment using the sameCANON KK·Filed 2004·Granted Oct 25, 2005·4 cites·12 claims
- 2050US6366332B1Display apparatus and process for production thereofCANON KK·Filed 2000·Granted Apr 2, 2002·2 cites·6 claims
- 2150US6128057ALCD with masking member having multiple portions having different characteristicsCANON KK·Filed 1997·Granted Oct 3, 2000·13 cites·38 claims
- 2250US2005016834A1Method of forming film by sputtering, optical member, and sputtering apparatusCANON KK·Filed 2004·Application pending·0 cites
- 2349US2005275807A1Color combining optical system and image projection apparatusOKUYAMA ATSUSHI·Filed 2005·Application pending·0 cites
- 2448US4531838AMethod and device for controlling the film thickness of evaporated filmCANON KK·Filed 1982·Granted Jul 30, 1985·9 cites·5 claims
- 2546US2002185369A1Method of forming film by sputtering, optical member, and sputtering apparatusFiled 2002·Application pending·0 cites
- 2643US4578322ARecording mediumCANON KK·Filed 1985·Granted Mar 25, 1986·9 cites·2 claims
- 2741US4920007AMagneto-optical recording medium with 9:1-1:9 aluminum or silicon oxide and aluminum or silicon nitride mixtureCANON KK·Filed 1988·Granted Apr 24, 1990·7 cites·9 claims
- 2840US6859315B2Polarization beam splitter and method of producing the sameCANON KK·Filed 2002·Granted Feb 22, 2005·3 cites·14 claims
- 2940US2002054254A1Display apparatus and process for production thereofFiled 2001·Application pending·0 cites
- 3038US2002135706A1Optical element and liquid crystal projector and camera using the sameFiled 2001·Application pending·0 cites
- 3137US5578536AEvaporating material for producing optical thin filmCANON KK·Filed 1995·Granted Nov 26, 1996·8 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →