Sunao Itou

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical interface device, and abnormality monitoring method for inp...
- Patent number 8,385,746
- Issue date Feb 26, 2013
- Fujitsu Limited
- Sunao Itou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transfer apparatus, and jitter control method of transmission signal
- Patent number 8,223,912
- Issue date Jul 17, 2012
- Fujitsu Limited
- Tomoko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal receiving apparatus and optical signal attenuation c...
- Patent number 8,190,036
- Issue date May 29, 2012
- Fujitsu Limited
- Koshi Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus, optical interface device, and optic...
- Patent number 8,032,026
- Issue date Oct 4, 2011
- Fujitsu Limited
- Tomoko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and method of switching phase lock reference...
- Patent number 7,982,545
- Issue date Jul 19, 2011
- Fujitsu Limited
- Tomoko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength converter and optical wavelength division multip...
- Patent number 6,469,823
- Issue date Oct 22, 2002
- Fujitsu Limited
- Hideyuki Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter and laser diode module for use in the optical t...
- Patent number 5,646,763
- Issue date Jul 8, 1997
- Fujitsu Limited
- Setsuo Misaizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL INTERFACE DEVICE, AND ABNORMALITY MONITORING METHOD FOR INP...
- Publication number 20110236031
- Publication date Sep 29, 2011
- Fujitsu Limited
- Sunao Itou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSFER APPARATUS, AND JITTER CONTROL METHOD OF TRANSMISSION SIGNAL
- Publication number 20110110474
- Publication date May 12, 2011
- Fujitsu Limited
- Tomoko SATO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical interface method and apparatus
- Publication number 20100098421
- Publication date Apr 22, 2010
- FUJITSU LIMITED
- Sunao Itou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reference-clock selection circuit and reference-clock selection method
- Publication number 20090297163
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Yoshiaki Shibayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus, optical interface device, and optic...
- Publication number 20090297150
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Tomoko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal receiving apparatus and optical signal attenuation c...
- Publication number 20090297169
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Koshi Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission apparatus and method of switching phase lock reference...
- Publication number 20090162072
- Publication date Jun 25, 2009
- FUJITSU LIMITED
- Tomoko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical wavelength converter and optical wavelength division multip...
- Publication number 20010055148
- Publication date Dec 27, 2001
- Hideyuki Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Optical interface device, and abnormality monitoring method for inp...

Transfer apparatus, and jitter control method of transmission signal

Optical signal receiving apparatus and optical signal attenuation c...

Optical transmission apparatus, optical interface device, and optic...

Transmission apparatus and method of switching phase lock reference...

Optical wavelength converter and optical wavelength division multip...

Optical transmitter and laser diode module for use in the optical t...

Patents Applicationslast 30 patents

OPTICAL INTERFACE DEVICE, AND ABNORMALITY MONITORING METHOD FOR INP...

TRANSFER APPARATUS, AND JITTER CONTROL METHOD OF TRANSMISSION SIGNAL

Optical interface method and apparatus

Reference-clock selection circuit and reference-clock selection method

Optical transmission apparatus, optical interface device, and optic...

Optical signal receiving apparatus and optical signal attenuation c...

Transmission apparatus and method of switching phase lock reference...

Optical wavelength converter and optical wavelength division multip...