Kazushi Shirai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical apparatus
- Patent number 6,816,300
- Issue date Nov 9, 2004
- Photocrystal Inc.
- Kazushi Shirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a magnet-free faraday rotator
- Patent number 6,673,146
- Issue date Jan 6, 2004
- Photocrystal, Inc.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Grant
Faraday rotator for use with high energy lasers
- Patent number 6,411,641
- Issue date Jun 25, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Grant
Reflection type magneto-optic sensor
- Patent number 6,128,423
- Issue date Oct 3, 2000
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Grant
Low magnet-saturation bismuth-substituted rare-earth iron garnet si...
- Patent number 6,031,654
- Issue date Feb 29, 2000
- Mitsubishi Gas Chemical Company, Inc.
- Kiyonari Hiramatsu
- G02 - OPTICS
Information Patent Grant
Bismuth-substituted rare earth iron garnet single crystal film
- Patent number 5,925,474
- Issue date Jul 20, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Grant
Faraday rotator with antireflection film
- Patent number 5,920,420
- Issue date Jul 6, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Kenji Ishikura
- G02 - OPTICS
Information Patent Grant
Faraday rotator having a rectangular shaped hysteresis
- Patent number 5,898,516
- Issue date Apr 27, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing a bismuth-substituted rare earth iron garne...
- Patent number 5,683,506
- Issue date Nov 4, 1997
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- C30 - CRYSTAL GROWTH
Information Patent Grant
Bismuth-substituted rare earth iron garnet single crystal
- Patent number 5,565,131
- Issue date Oct 15, 1996
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- C30 - CRYSTAL GROWTH
Information Patent Grant
Faraday rotator
- Patent number 5,535,046
- Issue date Jul 9, 1996
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Grant
Low saturated magnetic field bismuth-substituted rare earth iron ga...
- Patent number 5,512,193
- Issue date Apr 30, 1996
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- C30 - CRYSTAL GROWTH
Information Patent Grant
Reflection type magnetooptic sensor head with faraday rotator
- Patent number 5,493,222
- Issue date Feb 20, 1996
- Mitsubishi Gas Chemical Company, Ltd.
- Kazushi Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Magnetooptic sensor head
- Patent number 5,463,316
- Issue date Oct 31, 1995
- Mitsubishi Gas Chemical Co., Ltd.
- Kazushi Shirai
- G01 - MEASURING TESTING
Information Patent Grant
Polarization-independent optical isolator
- Patent number 5,345,329
- Issue date Sep 6, 1994
- Mitsubishi Gas Chemical Company, Inc.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Grant
Optical isolator
- Patent number 5,278,853
- Issue date Jan 11, 1994
- Mitsubishi Gas Chemical Co., Ltd.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Grant
Magneto-optic garnet
- Patent number 4,932,760
- Issue date Jun 12, 1990
- Mitsubishi Gas Chemical Company, Inc.
- Mitsuzo Arii
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Optical apparatus
- Publication number 20040032657
- Publication date Feb 19, 2004
- PHOTOCRYSTAL INC.
- Kazushi Shirai
- G02 - OPTICS
Information Patent Application
Method of manufacturing a magnet-free faraday rotator
- Publication number 20020139293
- Publication date Oct 3, 2002
- PHOTOCRYSTAL, INC.
- Kazushi Shirai
- C30 - CRYSTAL GROWTH

Kazushi Shirai

Person

Patents Grantslast 30 patents

Optical apparatus

Method of manufacturing a magnet-free faraday rotator

Faraday rotator for use with high energy lasers

Reflection type magneto-optic sensor

Low magnet-saturation bismuth-substituted rare-earth iron garnet si...

Bismuth-substituted rare earth iron garnet single crystal film

Faraday rotator with antireflection film

Faraday rotator having a rectangular shaped hysteresis

Method of manufacturing a bismuth-substituted rare earth iron garne...

Bismuth-substituted rare earth iron garnet single crystal

Faraday rotator

Low saturated magnetic field bismuth-substituted rare earth iron ga...

Reflection type magnetooptic sensor head with faraday rotator

Magnetooptic sensor head

Polarization-independent optical isolator

Optical isolator

Magneto-optic garnet

Patents Applicationslast 30 patents

Optical apparatus

Method of manufacturing a magnet-free faraday rotator