Seiji Funakawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength-variable light source apparatus
- Patent number 6,922,418
- Issue date Jul 26, 2005
- Ando Electric Co., Ltd.
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength measurement apparatus
- Patent number 6,795,196
- Issue date Sep 21, 2004
- Ando Electric Co., Ltd.
- Seiji Funakawa
- G01 - MEASURING TESTING
Information Patent Grant
Wavelength-variable light source
- Patent number 6,778,564
- Issue date Aug 17, 2004
- Ando Electric Co., Ltd.
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable laser source device
- Patent number 6,697,389
- Issue date Feb 24, 2004
- Ando Electric Co., Ltd.
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength-variable light source apparatus
- Patent number 6,611,332
- Issue date Aug 26, 2003
- Ando Electric Co., Ltd.
- Seiji Funakawa
- G01 - MEASURING TESTING
Information Patent Grant
Wavelength-variable light source apparatus
- Patent number 6,542,523
- Issue date Apr 1, 2003
- Ando Electric Co., Ltd.
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength tracking system using an optical spectrum analyzer and a...
- Patent number 6,512,582
- Issue date Jan 28, 2003
- Ando Electric Co., Ltd.
- Tohru Mori
- G01 - MEASURING TESTING
Information Patent Grant
External resonator light source
- Patent number 6,343,091
- Issue date Jan 29, 2002
- Ando Electric Co., Ltd.
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable wavelength laser light source
- Patent number 6,047,008
- Issue date Apr 4, 2000
- Ando Electric Co., Ltd.
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Temperature controller of optical module package
- Patent number 6,009,712
- Issue date Jan 4, 2000
- Ando Electric Co., Ltd.
- Akishige Ito
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Wavelength-variable light source apparatus
- Publication number 20030165166
- Publication date Sep 4, 2003
- ANDO ELECTRIC CO., LTD.
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tunable laser source device
- Publication number 20020196818
- Publication date Dec 26, 2002
- Seiji Funakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wavelength measurement apparatus
- Publication number 20020130252
- Publication date Sep 19, 2002
- Seiji Funakawa
- G01 - MEASURING TESTING
Information Patent Application
WAVELENGTH-VARIABLE LIGHT SOURCE APPARATUS
- Publication number 20010013932
- Publication date Aug 16, 2001
- ANDO ELECTRIC CO., LTD.
- SEIJI FUNAKAWA
- G01 - MEASURING TESTING

Seiji Funakawa

Person

Patents Grantslast 30 patents

Wavelength-variable light source apparatus

Wavelength measurement apparatus

Wavelength-variable light source

Tunable laser source device

Wavelength-variable light source apparatus

Wavelength-variable light source apparatus

Wavelength tracking system using an optical spectrum analyzer and a...

External resonator light source

Variable wavelength laser light source

Temperature controller of optical module package

Patents Applicationslast 30 patents

Wavelength-variable light source apparatus

Tunable laser source device

Wavelength measurement apparatus

WAVELENGTH-VARIABLE LIGHT SOURCE APPARATUS