Yoshinobu Maeda

Person

Yokkaichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Three-terminal optical signal amplifying device
- Patent number 7,688,502
- Issue date Mar 30, 2010
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal amplifying triode and optical signal transfer method...
- Patent number 7,343,065
- Issue date Mar 11, 2008
- Japan Science and Technology Agency
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal amplifying triode and optical signal transfer method...
- Patent number 7,336,871
- Issue date Feb 26, 2008
- Japan Science and Technology Agency
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal amplifying triode and optical signal transfer method...
- Patent number 7,274,841
- Issue date Sep 25, 2007
- Japan Science and Technology Agency
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal amplification device
- Patent number 7,130,109
- Issue date Oct 31, 2006
- Optotriode Co., Ltd.
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength converter with a semiconductor optical amplifier
- Patent number 7,064,891
- Issue date Jun 20, 2006
- Japan Science and Technology Agency
- Yoshinobu Maeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light control substance and light control method using the same
- Patent number 5,742,072
- Issue date Apr 21, 1998
- Research Development Corporation of Japan
- Yoshinobu Maeda
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 5,406,420
- Issue date Apr 11, 1995
- Research Development Corporation of Japan
- Yoshinobu Maeda
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SIGNAL AMPLIFYING APPARATUS
- Publication number 20100238539
- Publication date Sep 23, 2010
- Optotriode Co., Ltd.
- Yoshinobu Maeda
- G02 - OPTICS
Information Patent Application
Three-terminal optical signal amplifying device
- Publication number 20090279165
- Publication date Nov 12, 2009
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Three-Terminal Optical Signal Amplifying Device
- Publication number 20070201127
- Publication date Aug 30, 2007
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal amplifying triode and optical signal transfer method...
- Publication number 20070183712
- Publication date Aug 9, 2007
- Japan Science and Technology Agency
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal amplifying triode and optical signal transfer method...
- Publication number 20070183713
- Publication date Aug 9, 2007
- Japan Science and Technology Agency
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal amplification device
- Publication number 20060087721
- Publication date Apr 27, 2006
- OPTOTRIODE CO. LTD
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Signal Amplifying Triode And Optical Signal Transfer Method...
- Publication number 20060008203
- Publication date Jan 12, 2006
- Japan Science and Technology Agency
- Yoshinobu Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical function element and device
- Publication number 20030174393
- Publication date Sep 18, 2003
- Yoshinobu Maeda
- G02 - OPTICS

Yoshinobu Maeda

Person

Patents Grantslast 30 patents

Three-terminal optical signal amplifying device

Optical signal amplifying triode and optical signal transfer method...

Optical signal amplifying triode and optical signal transfer method...

Optical signal amplifying triode and optical signal transfer method...

Optical signal amplification device

Optical wavelength converter with a semiconductor optical amplifier

Light control substance and light control method using the same

Optical device

Patents Applicationslast 30 patents

OPTICAL SIGNAL AMPLIFYING APPARATUS

Three-terminal optical signal amplifying device

Three-Terminal Optical Signal Amplifying Device

Optical signal amplifying triode and optical signal transfer method...

Optical signal amplifying triode and optical signal transfer method...

Optical signal amplification device

Optical Signal Amplifying Triode And Optical Signal Transfer Method...

Optical function element and device