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name:-0.0043990612030029
name:-0.024816989898682
name:-0.0023288726806641
Shirai; Kazushi Patent Filings

Shirai; Kazushi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shirai; Kazushi.The latest application filed is for "optical apparatus".

Company Profile
0.12.2
  • Shirai; Kazushi - Tokyo JP
  • Shirai; Kazushi - all of Tokyo JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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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