loadpatents
Patent applications and USPTO patent grants for Shirai; Kazushi.The latest application filed is for "optical apparatus".
Patent | Date |
---|---|
Optical apparatus Grant 6,816,300 - Shirai , et al. November 9, 2 | 2004-11-09 |
Optical apparatus App 20040032657 - Shirai, Kazushi ;   et al. | 2004-02-19 |
Method of manufacturing a magnet-free faraday rotator Grant 6,673,146 - Shirai , et al. January 6, 2 | 2004-01-06 |
Method of manufacturing a magnet-free faraday rotator App 20020139293 - Shirai, Kazushi ;   et al. | 2002-10-03 |
Bismuth-substituted rare earth iron garnet single crystal film Grant 5,925,474 - Shirai , et al. July 20, 1 | 1999-07-20 |
Faraday rotator having a rectangular shaped hysteresis Grant 5,898,516 - Shirai , et al. April 27, 1 | 1999-04-27 |
Bismuth-substituted rare earth iron garnet single crystal Grant 5,565,131 - Shirai , et al. October 15, 1 | 1996-10-15 |
Faraday rotator Grant 5,535,046 - Shirai , et al. July 9, 1 | 1996-07-09 |
Low saturated magnetic field bismuth-substituted rare earth iron garnet single crystal and its use Grant 5,512,193 - Shirai , et al. April 30, 1 | 1996-04-30 |
Reflection type magnetooptic sensor head with faraday rotator Grant 5,493,222 - Shirai , et al. February 20, 1 | 1996-02-20 |
Magnetooptic sensor head Grant 5,463,316 - Shirai , et al. October 31, 1 | 1995-10-31 |
Polarization-independent optical isolator Grant 5,345,329 - Shirai , et al. September 6, 1 | 1994-09-06 |
Optical isolator Grant 5,278,853 - Shirai , et al. January 11, 1 | 1994-01-11 |
Magneto-optic garnet Grant 4,932,760 - Arii , et al. June 12, 1 | 1990-06-12 |
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