Mitsuhiro Kitamura

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide elements and a process for producing the same
- Patent number 6,404,968
- Issue date Jun 11, 2002
- NEC Corporation
- Yukinobu Nakabayashi
- G02 - OPTICS
Information Patent Grant
Semiconductor optical amplifier device capable of deflecting output...
- Patent number 5,835,261
- Issue date Nov 10, 1998
- NEC Corporation
- Takemasa Tamanuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a tapered thickness waveguide intergrated semicond...
- Patent number 5,792,674
- Issue date Aug 11, 1998
- NEC Corporation
- Mitsuhiro Kitamura
- G02 - OPTICS
Information Patent Grant
Wavelength-tunable semiconductor laser and fabrication process thereof
- Patent number 5,789,274
- Issue date Aug 4, 1998
- NEC Corporation
- Masayuki Yamaguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical integrated circuits and method for fabricatin...
- Patent number 5,770,466
- Issue date Jun 23, 1998
- NEC Corporation
- Tatsuya Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tapered thickness waveguide integrated semiconductor laser
- Patent number 5,657,338
- Issue date Aug 12, 1997
- NEC Corporation
- Mitsuhiro Kitamura
- G02 - OPTICS
Information Patent Grant
Multiple quantum well distributed feedback semiconductor laser devi...
- Patent number 5,614,436
- Issue date Mar 25, 1997
- NEC Corporation
- Jong-In Shim
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical amplifier
- Patent number 5,579,155
- Issue date Nov 26, 1996
- NEC Corporation
- Mitsuhiro Kitamura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical integrated circuits
- Patent number 5,565,693
- Issue date Oct 15, 1996
- NEC Corporation
- Tatsuya Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength-tunable semiconductor laser
- Patent number 5,541,945
- Issue date Jul 30, 1996
- NEC Corporation
- Masayuki Yamaguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Multiple quantum well distributed feedback semiconductor laser devi...
- Patent number 5,450,437
- Issue date Sep 12, 1995
- NEC Corporation
- Jong-In Shim
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor laser device
- Patent number 4,751,710
- Issue date Jun 14, 1988
- NEC Corporation
- Masayuki Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double channel planar buried heterostructure laser
- Patent number 4,525,841
- Issue date Jun 25, 1985
- Nippon Electric Co., Ltd.
- Mitsuhiro Kitamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser having an etched mirror and a narrow stripe wid...
- Patent number 4,470,143
- Issue date Sep 4, 1984
- Nippon Electric Co., Ltd.
- Mitsuhiro Kitamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Buried heterostructure laser diode
- Patent number 4,425,650
- Issue date Jan 10, 1984
- Nippon Electric Co., Ltd.
- Ikuo Mito
- H01 - BASIC ELECTRIC ELEMENTS

Mitsuhiro Kitamura

Person

Patents Grantslast 30 patents

Optical waveguide elements and a process for producing the same

Semiconductor optical amplifier device capable of deflecting output...

Method of making a tapered thickness waveguide intergrated semicond...

Wavelength-tunable semiconductor laser and fabrication process thereof

Semiconductor optical integrated circuits and method for fabricatin...

Tapered thickness waveguide integrated semiconductor laser

Multiple quantum well distributed feedback semiconductor laser devi...

Semiconductor optical amplifier

Semiconductor optical integrated circuits

Wavelength-tunable semiconductor laser

Multiple quantum well distributed feedback semiconductor laser devi...

Semiconductor laser device

Double channel planar buried heterostructure laser

Semiconductor laser having an etched mirror and a narrow stripe wid...

Buried heterostructure laser diode