Kazuhito Tajima

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor nonlinear waveguide and optical switch
- Patent number 6,498,885
- Issue date Dec 24, 2002
- NEC Corporation
- Shigeru Nakamura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Wavelength converter
- Patent number 6,498,675
- Issue date Dec 24, 2002
- NEC Corporation
- Yoshiyasu Ueno
- G02 - OPTICS
Information Patent Grant
Non-linear optical switch
- Patent number 6,295,402
- Issue date Sep 25, 2001
- NEC Corporation
- Shigeru Nakamura
- G02 - OPTICS
Information Patent Grant
Wavelength converter
- Patent number 6,282,015
- Issue date Aug 28, 2001
- NEC Corporation
- Yoshiyasu Ueno
- G02 - OPTICS
Information Patent Grant
Wavelength converter
- Patent number 6,208,455
- Issue date Mar 27, 2001
- NEC Corporation
- Yoshiyasu Ueno
- G02 - OPTICS
Information Patent Grant
Nonlinear optical switch
- Patent number 6,049,642
- Issue date Apr 11, 2000
- NEC Corporation
- Shigeru Nakamura
- G02 - OPTICS
Information Patent Grant
All-optical switch
- Patent number 5,710,845
- Issue date Jan 20, 1998
- NEC Corporation
- Kazuhito Tajima
- G02 - OPTICS
Information Patent Grant
Semiconductor optical device utilizing nonlinear optical effect
- Patent number 5,557,700
- Issue date Sep 17, 1996
- NEC Corporation
- Shigeru Nakamura
- G02 - OPTICS
Information Patent Grant
Symmetric Mach-Zehnder all-optical device
- Patent number 5,535,001
- Issue date Jul 9, 1996
- NEC Corporation
- Kazuhito Tajima
- G02 - OPTICS
Information Patent Grant
Nonlinear optical device for controlling a signal light by a contro...
- Patent number 5,191,630
- Issue date Mar 2, 1993
- NEC Corporation
- Kazuhito Tajima
- G02 - OPTICS
Information Patent Grant
Wavelength multiplexed optical transmitter for generating constant-...
- Patent number 4,933,929
- Issue date Jun 12, 1990
- NEC Corporation
- Kazuhito Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Wavelength converter
- Publication number 20010019447
- Publication date Sep 6, 2001
- Yoshiyasu Ueno
- G02 - OPTICS

Kazuhito Tajima

Person

Patents Grantslast 30 patents

Semiconductor nonlinear waveguide and optical switch

Wavelength converter

Non-linear optical switch

Wavelength converter

Wavelength converter

Nonlinear optical switch

All-optical switch

Semiconductor optical device utilizing nonlinear optical effect

Symmetric Mach-Zehnder all-optical device

Nonlinear optical device for controlling a signal light by a contro...

Wavelength multiplexed optical transmitter for generating constant-...

Patents Applicationslast 30 patents

Wavelength converter