Ryuzo Iga

Person

Atsugi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical device and a method of fabricating the same
- Patent number 7,701,993
- Issue date Apr 20, 2010
- Nippon Telegraph and Telephone Corporation
- Ryuzo Iga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical modulator
- Patent number 7,355,778
- Issue date Apr 8, 2008
- Nippon Telegraph and Telephone Corporation
- Ken Tsuzuki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical device and the fabrication method
- Patent number 7,060,518
- Issue date Jun 13, 2006
- Nippon Telegraph and Telephone Corporation
- Susumu Kondo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and method of manufacturing the same
- Patent number 6,990,131
- Issue date Jan 24, 2006
- Nippon Telegraph and Telephone Corporation
- Ryuzo Iga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and the fabrication method
- Patent number 6,982,469
- Issue date Jan 3, 2006
- Nippon Telegraph and Telephone Corporation
- Susumu Kondo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and method of manufacturing the same
- Patent number 6,815,786
- Issue date Nov 9, 2004
- Nippon Telegraph and Telephone Corporation
- Matsuyuki Ogasawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and the fabrication method
- Patent number 6,717,187
- Issue date Apr 6, 2004
- Nippon Telegraph and Telephone Corporation
- Susumu Kondo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semi-insulating substrate, semiconductor optical device and fabrica...
- Patent number 6,692,837
- Issue date Feb 17, 2004
- Nippon Telegraph and Telephone Corporation
- Ryuzo Iga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for forming semiconductor thin films where an argon laser is...
- Patent number 5,273,932
- Issue date Dec 28, 1993
- Nippon Telegraph and Telephone Corp.
- Hideo Sugiura
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method and apparatus for forming semiconductor thin films
- Patent number 5,186,750
- Issue date Feb 16, 1993
- Nippon Telegraph & Telephone Corporation
- Hideo Sugiura
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor Optical Element and Manufacturing Method Thereof
- Publication number 20080137703
- Publication date Jun 12, 2008
- Ryuzo Iga
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor optical converter
- Publication number 20060159381
- Publication date Jul 20, 2006
- Ken Tsuzuki
- G02 - OPTICS
Information Patent Application
Semiconductor optical device and the fabrication method
- Publication number 20060030065
- Publication date Feb 9, 2006
- Susumu Kondo
- G02 - OPTICS
Information Patent Application
Semiconductor optical device and the fabrication method
- Publication number 20040159847
- Publication date Aug 19, 2004
- Susumu Kondo
- G02 - OPTICS
Information Patent Application
Semiconductor optical device and method of manufacturing the same
- Publication number 20030067010
- Publication date Apr 10, 2003
- Ryuzo Iga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor optical device and method of manufacturing the same
- Publication number 20030042495
- Publication date Mar 6, 2003
- Matsuyuki Ogasawara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor optical device and the fabrication method
- Publication number 20020187580
- Publication date Dec 12, 2002
- Susumu Kondo
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semi-insulating substrate, semiconductor optical device and fabrica...
- Publication number 20020168856
- Publication date Nov 14, 2002
- Ryuzo Iga
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Semiconductor optical device and a method of fabricating the same

Semiconductor optical modulator

Semiconductor optical device and the fabrication method

Semiconductor optical device and method of manufacturing the same

Semiconductor optical device and the fabrication method

Semiconductor optical device and method of manufacturing the same

Semiconductor optical device and the fabrication method

Semi-insulating substrate, semiconductor optical device and fabrica...

Method for forming semiconductor thin films where an argon laser is...

Method and apparatus for forming semiconductor thin films

Patents Applicationslast 30 patents

Semiconductor Optical Element and Manufacturing Method Thereof

Semiconductor optical converter

Semiconductor optical device and the fabrication method

Semiconductor optical device and the fabrication method

Semiconductor optical device and method of manufacturing the same

Semiconductor optical device and method of manufacturing the same

Semiconductor optical device and the fabrication method

Semi-insulating substrate, semiconductor optical device and fabrica...