Masashi Usami

Person

Kamifukuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for simultaneous OTDM demultiplexing, electrical clock re...
- Patent number 7,196,833
- Issue date Mar 27, 2007
- KDDI R&D Laboratories, Inc.
- Zhaoyang Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for simultaneous OTDM demultiplexing, electrical clock re...
- Patent number 7,184,189
- Issue date Feb 27, 2007
- KDDI R&D Laboratories, Inc.
- Zhaoyang Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion device
- Patent number 7,035,495
- Issue date Apr 25, 2006
- KDDI Corporation
- Hidenori Takahashi
- G02 - OPTICS
Information Patent Grant
Ring resonator
- Patent number 6,907,152
- Issue date Jun 14, 2005
- KDDI Corporation
- Hidenori Takahashi
- G02 - OPTICS
Information Patent Grant
Polarization mode dispersion compensating apparatus
- Patent number 6,823,142
- Issue date Nov 23, 2004
- KDDI Corporation
- Hideaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical coupling structure
- Patent number 6,801,692
- Issue date Oct 5, 2004
- KDDI Corporation
- Kosuke Nishimura
- G02 - OPTICS
Information Patent Grant
Dispersion compensator
- Patent number 6,731,836
- Issue date May 4, 2004
- KDDI Submarine Cable Systems, Inc.
- Hidenori Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical gate and optical phase modulator
- Patent number 6,728,019
- Issue date Apr 27, 2004
- KDD Submarine Cable Systems Inc.
- Masashi Usami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical signal processor
- Patent number 6,377,388
- Issue date Apr 23, 2002
- DDI Corporation
- Haruhisa Sakata
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for simultaneous OTDM demultiplexing, electrical clock re...
- Publication number 20060056853
- Publication date Mar 16, 2006
- KDDI R&D Laboratories Inc.
- Zhaoyang Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus for simultaneous OTDM demultiplexing, electrical clock re...
- Publication number 20060056854
- Publication date Mar 16, 2006
- KDDI R&D Laboratories Inc.
- Zhaoyang Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion device
- Publication number 20050117842
- Publication date Jun 2, 2005
- Hidenori Takahashi
- G02 - OPTICS
Information Patent Application
Optical apparatus and optical processing method
- Publication number 20050053385
- Publication date Mar 10, 2005
- Kosuke Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus for simultaneous OTDM demultiplexing, electrical clock re...
- Publication number 20050018271
- Publication date Jan 27, 2005
- KDDI R&D Laboratories Inc.
- Zhaoyang Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ring resonator
- Publication number 20040040646
- Publication date Mar 4, 2004
- Hidenori Takahashi
- G02 - OPTICS
Information Patent Application
Optical delay unit
- Publication number 20030170030
- Publication date Sep 11, 2003
- Masashi Usami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical coupling structure
- Publication number 20020106159
- Publication date Aug 8, 2002
- Kosuke Nishimura
- G02 - OPTICS
Information Patent Application
Dispersion compensator
- Publication number 20020081074
- Publication date Jun 27, 2002
- Hidenori Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical gate and optical phase modulator
- Publication number 20020003650
- Publication date Jan 10, 2002
- Masashi Usami
- B82 - NANO-TECHNOLOGY
Information Patent Application
Nonlinear optical element
- Publication number 20010012430
- Publication date Aug 9, 2001
- Masashi Usami
- G02 - OPTICS
Information Patent Application
Chromatic dispersion compensator, optical receiver and optical rece...
- Publication number 20010004291
- Publication date Jun 21, 2001
- Hideaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masashi Usami

Person

Patents Grantslast 30 patents

Apparatus for simultaneous OTDM demultiplexing, electrical clock re...

Apparatus for simultaneous OTDM demultiplexing, electrical clock re...

Chromatic dispersion device

Ring resonator

Polarization mode dispersion compensating apparatus

Optical coupling structure

Dispersion compensator

Optical gate and optical phase modulator

Optical signal processor

Patents Applicationslast 30 patents

Apparatus for simultaneous OTDM demultiplexing, electrical clock re...

Apparatus for simultaneous OTDM demultiplexing, electrical clock re...

Chromatic dispersion device

Optical apparatus and optical processing method

Apparatus for simultaneous OTDM demultiplexing, electrical clock re...

Ring resonator

Optical delay unit

Optical coupling structure

Dispersion compensator

Optical gate and optical phase modulator

Nonlinear optical element

Chromatic dispersion compensator, optical receiver and optical rece...