Inventor
SUGAWARA TAMOTSU
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA TAMOTSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
6 patentsUS7133189B2Nov 7, 2006
Magnetic 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 same
TDK CORP17 citations91
US7242516B2Jul 10, 2007
Hard 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 crystal
TDK CORP11 citations83
US7187496B2Mar 6, 2007
Manufacturing method of optical device, optical device, manufacturing method of faraday rotator, and optical communication system
TDK CORP11 citations83
US6775052B2Aug 10, 2004
Hard 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 crystal
TDK CORP13 citations83
US7517406B2Apr 14, 2009
Magnetic 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 same
TDK CORP11 citations82
US7333261B2Feb 19, 2008
Magnetic 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 same
TDK CORP11 citations82
MITSUBISHI MATERIALS CORP
3 patentsUS6391229B1May 21, 2002
Borate crystal, growth method of the same and laser equipment using the same
MITSUBISHI MATERIALS CORP33 citations90
US5805626ASep 8, 1998
Single-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 device
MITSUBISHI MATERIALS CORP42 citations90
US6526072B1Feb 25, 2003
Wavelength conversion device composed of single-crystal lithium tetraborate, laser apparatus provided with the same and method of converting wavelength using the same
MITSUBISHI MATERIALS CORP5 citations59