Akio Ichikawa

Person

Hamamatsu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Position sensor for movable body and optical interferometer
- Patent number 6,693,714
- Issue date Feb 17, 2004
- Ando Electric Co., Ltd.
- Fumio Akikuni
- G01 - MEASURING TESTING
Information Patent Grant
Data processor and data processing method for wavemeter
- Patent number 6,690,977
- Issue date Feb 10, 2004
- Ando Electric Co., Ltd.
- Akio Ichikawa
- G01 - MEASURING TESTING
Information Patent Grant
Chromatic dispersion distribution measurement apparatus and method...
- Patent number 6,643,603
- Issue date Nov 4, 2003
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Chromatic dispersion distribution measurement apparatus, method and...
- Patent number 6,594,005
- Issue date Jul 15, 2003
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Data processor and data processing method for wavemeter
- Patent number 6,593,727
- Issue date Jul 15, 2003
- Ando Electric Co. Ltd.
- Akio Ichikawa
- G01 - MEASURING TESTING
Information Patent Grant
Data processor and data processing method for wavemeter
- Patent number 6,594,019
- Issue date Jul 15, 2003
- Ando Electric Co., Ltd.
- Akio Ichikawa
- G01 - MEASURING TESTING
Information Patent Grant
Chromatic dispersion distribution measurement apparatus and method...
- Patent number 6,580,499
- Issue date Jun 17, 2003
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Chromatic dispersion distribution measurement apparatus and method...
- Patent number 6,580,500
- Issue date Jun 17, 2003
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Optical part driving device incorporated into a detachable block an...
- Patent number 6,570,658
- Issue date May 27, 2003
- Ando Electric Co., Ltd.
- Fumio Akikuni
- G01 - MEASURING TESTING
Information Patent Grant
Optical interferometer with a casing and an optical part that is mo...
- Patent number 6,504,613
- Issue date Jan 7, 2003
- Ando Electric Co., Ltd.
- Fumio Akikuni
- G01 - MEASURING TESTING
Information Patent Grant
Optical pulse generator
- Patent number 6,108,465
- Issue date Aug 22, 2000
- Ando Electric Co., Ltd.
- Rikihiro Iida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical pulse generator
- Patent number 6,101,021
- Issue date Aug 8, 2000
- Ando Electric Co., Ltd.
- Yoshihiro Kumagai
- G02 - OPTICS
Information Patent Grant
Optical phase locked loop circuit
- Patent number 5,383,210
- Issue date Jan 17, 1995
- Ando Electric Co., Ltd.
- Akio Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polarization control system
- Patent number 5,191,387
- Issue date Mar 2, 1993
- Ando Electric Co., Ltd.
- Akio Ichikawa
- G02 - OPTICS
Information Patent Grant
Apparatus for testing optical fiber by using detector having virtua...
- Patent number 5,159,400
- Issue date Oct 27, 1992
- Ando Electric Co., Ltd.
- Toshiyuki Takeda
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Chromatic dispersion distribution measurement apparatus and method...
- Publication number 20020131037
- Publication date Sep 19, 2002
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Application
Chromatic dispersion distribution measuring apparatus and measuring...
- Publication number 20020122171
- Publication date Sep 5, 2002
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Application
Chromatic dispersion distribution measurement apparatus and method...
- Publication number 20020113956
- Publication date Aug 22, 2002
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Application
Chromatic dispersion distribution measurement apparatus and method...
- Publication number 20020107655
- Publication date Aug 8, 2002
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Application
Chromatic dispersion distribution measurement apparatus, method and...
- Publication number 20020105634
- Publication date Aug 8, 2002
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING
Information Patent Application
Chromatic dispersion distribution measurement apparatus and method...
- Publication number 20020101579
- Publication date Aug 1, 2002
- Ando Electric Co., Ltd.
- Shoichi Aoki
- G01 - MEASURING TESTING

Akio Ichikawa

Person

Patents Grantslast 30 patents

Position sensor for movable body and optical interferometer

Data processor and data processing method for wavemeter

Chromatic dispersion distribution measurement apparatus and method...

Chromatic dispersion distribution measurement apparatus, method and...

Data processor and data processing method for wavemeter

Data processor and data processing method for wavemeter

Chromatic dispersion distribution measurement apparatus and method...

Chromatic dispersion distribution measurement apparatus and method...

Optical part driving device incorporated into a detachable block an...

Optical interferometer with a casing and an optical part that is mo...

Optical pulse generator

Optical pulse generator

Optical phase locked loop circuit

Polarization control system

Apparatus for testing optical fiber by using detector having virtua...

Patents Applicationslast 30 patents

Chromatic dispersion distribution measurement apparatus and method...

Chromatic dispersion distribution measuring apparatus and measuring...

Chromatic dispersion distribution measurement apparatus and method...

Chromatic dispersion distribution measurement apparatus and method...

Chromatic dispersion distribution measurement apparatus, method and...

Chromatic dispersion distribution measurement apparatus and method...