Inventor · disambiguated record
Tamotsu Sugawara
Also filed as: SUGAWARA TAMOTSU
9 granted patents·1 pending application·154 citations·filing 1996–2007
90Inventor score
Top patents by PatentIndex Score
10 records- 0187US6391229B1Borate crystal, growth method of the same and laser equipment using the sameMITSUBISHI MATERIALS CORP·Filed 2000·Granted May 21, 2002·33 cites·12 claims
- 0285US7517406B2Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the sameTDK CORP·Filed 2007·Granted Apr 14, 2009·11 cites·3 claims
- 0385US7333261B2Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same crucible for producing the sameTDK CORP·Filed 2006·Granted Feb 19, 2008·11 cites·6 claims
- 0482US7133189B2Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the sameTDK CORP·Filed 2003·Granted Nov 7, 2006·17 cites·3 claims
- 0575US6775052B2Hard magnetic garnet material, faraday rotator, optical device, optical communication system, method of manufacturing faraday rotator and method of manufacturing bismuth-substituted rare earth iron garnet single crystalTDK CORP·Filed 2002·Granted Aug 10, 2004·13 cites·13 claims
- 0674US5805626ASingle-crystal lithium tetraborate and method making the same, optical converting method and converter device using the single-crystal lithium tetraborate, and optical apparatus using the optical converter deviceMITSUBISHI MATERIALS CORP·Filed 1996·Granted Sep 8, 1998·42 cites·55 claims
- 0771US7242516B2Hard magnetic garnet material, faraday rotator, optical device, optical communication system, method of manufacturing faraday rotator and method of manufacturing bismuth-substituted rare earth iron garnet single crystalTDK CORP·Filed 2004·Granted Jul 10, 2007·11 cites·7 claims
- 0870US7187496B2Manufacturing method of optical device, optical device, manufacturing method of faraday rotator, and optical communication systemTDK CORP·Filed 2003·Granted Mar 6, 2007·11 cites·4 claims
- 0953US6526072B1Wavelength conversion device composed of single-crystal lithium tetraborate, laser apparatus provided with the same and method of converting wavelength using the sameMITSUBISHI MATERIALS CORP·Filed 2000·Granted Feb 25, 2003·5 cites·4 claims
- 1048US2007047060A1Manufacturing method of optical device, optical device, manufacturing method of Faraday rotator, and optical communication systemTDK CORP·Filed 2006·Application pending·0 cites
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