Yoshio Sakai

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Receiving device and receiving method
- Patent number 11,646,798
- Issue date May 9, 2023
- Fujitsu Optical Components Limited
- Yoshio Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical communication system, optical transmitter, and optical rece...
- Patent number 9,450,680
- Issue date Sep 20, 2016
- Fujitsu Optical Components Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter and modulated optical signal generating method
- Patent number 9,130,680
- Issue date Sep 8, 2015
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device, scrambling method, and descrambling me...
- Patent number 8,929,371
- Issue date Jan 6, 2015
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch and method for controlling optical switch
- Patent number 8,406,582
- Issue date Mar 26, 2013
- Fujitsu Limited
- Yoshio Sakai
- G02 - OPTICS
Information Patent Grant
Optical transmission device, scrambling method, and descrambling me...
- Patent number 8,331,402
- Issue date Dec 11, 2012
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Passive optical network system and method of data transmission in t...
- Patent number 7,920,791
- Issue date Apr 5, 2011
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-switch testing apparatus, optical-signal switching apparatu...
- Patent number 7,912,329
- Issue date Mar 22, 2011
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-switch testing apparatus, optical-signal switching apparatu...
- Patent number 7,596,290
- Issue date Sep 29, 2009
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mirror controller for optical switch
- Patent number 7,466,915
- Issue date Dec 16, 2008
- Fujitsu Limited
- Yuji Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength selective switch module
- Patent number 7,440,649
- Issue date Oct 21, 2008
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch device
- Patent number 7,277,606
- Issue date Oct 2, 2007
- Fujitsu Limited
- Yoshio Sakai
- G02 - OPTICS
Information Patent Grant
Optical-switch testing apparatus, optical-signal switching apparatu...
- Patent number 7,239,773
- Issue date Jul 3, 2007
- Fujitsu Limited
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RECEIVING DEVICE AND RECEIVING METHOD
- Publication number 20220109504
- Publication date Apr 7, 2022
- FUJITSU OPTICAL COMPONENTS LIMITED
- Yoshio SAKAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL COMMUNICATION SYSTEM, OPTICAL TRANSMITTER, AND OPTICAL RECE...
- Publication number 20140328588
- Publication date Nov 6, 2014
- FUJITSU OPTICAL COMPONENTS LIMITED
- Yoshio SAKAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER AND MODULATED OPTICAL SIGNAL GENERATING METHOD
- Publication number 20140212136
- Publication date Jul 31, 2014
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, SCRAMBLING METHOD, AND DESCRAMBLING ME...
- Publication number 20130058656
- Publication date Mar 7, 2013
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SWITCH AND METHOD FOR CONTROLLING OPTICAL SWITCH
- Publication number 20100303407
- Publication date Dec 2, 2010
- Fujitsu Limited
- Yoshio Sakai
- G02 - OPTICS
Information Patent Application
Optical switching apparatus and optical switching method
- Publication number 20100195183
- Publication date Aug 5, 2010
- FUJITSU LIMITED
- Yoshio Sakai
- G02 - OPTICS
Information Patent Application
OPTICAL-SWITCH TESTING APPARATUS, OPTICAL-SIGNAL SWITCHING APPARATU...
- Publication number 20090304329
- Publication date Dec 10, 2009
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication apparatus communicating with different bit rates
- Publication number 20090034964
- Publication date Feb 5, 2009
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission device, scrambling method, and descrambling me...
- Publication number 20080253568
- Publication date Oct 16, 2008
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Passive optical network system and method of data transmission in t...
- Publication number 20080226294
- Publication date Sep 18, 2008
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEMS optical switch device
- Publication number 20080050064
- Publication date Feb 28, 2008
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength selective switch module
- Publication number 20080050065
- Publication date Feb 28, 2008
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL-SWITCH TESTING APPARATUS, OPTICAL-SIGNAL SWITCHING APPARATU...
- Publication number 20070230954
- Publication date Oct 4, 2007
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mirror controller for optical switch
- Publication number 20060088317
- Publication date Apr 27, 2006
- FUJITSU LIMITED
- Yuji Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical-switch testing apparatus, optical-signal switching apparatu...
- Publication number 20050286891
- Publication date Dec 29, 2005
- FUJITSU LIMITED
- Yoshio Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Controlling apparatus and controlling method for spatial optical sw...
- Publication number 20050213178
- Publication date Sep 29, 2005
- FUJITSU LIMITED
- Yoshio Sakai
- G02 - OPTICS

Yoshio Sakai

Person

Patents Grantslast 30 patents

Receiving device and receiving method

Optical communication system, optical transmitter, and optical rece...

Optical transmitter and modulated optical signal generating method

Optical transmission device, scrambling method, and descrambling me...

Optical switch and method for controlling optical switch

Optical transmission device, scrambling method, and descrambling me...

Passive optical network system and method of data transmission in t...

Optical-switch testing apparatus, optical-signal switching apparatu...

Optical-switch testing apparatus, optical-signal switching apparatu...

Mirror controller for optical switch

Wavelength selective switch module

Optical switch device

Optical-switch testing apparatus, optical-signal switching apparatu...

Patents Applicationslast 30 patents

RECEIVING DEVICE AND RECEIVING METHOD

OPTICAL COMMUNICATION SYSTEM, OPTICAL TRANSMITTER, AND OPTICAL RECE...

OPTICAL TRANSMITTER AND MODULATED OPTICAL SIGNAL GENERATING METHOD

OPTICAL TRANSMISSION DEVICE, SCRAMBLING METHOD, AND DESCRAMBLING ME...

OPTICAL SWITCH AND METHOD FOR CONTROLLING OPTICAL SWITCH

Optical switching apparatus and optical switching method

OPTICAL-SWITCH TESTING APPARATUS, OPTICAL-SIGNAL SWITCHING APPARATU...

Communication apparatus communicating with different bit rates

Optical transmission device, scrambling method, and descrambling me...

Passive optical network system and method of data transmission in t...

MEMS optical switch device

Wavelength selective switch module

OPTICAL-SWITCH TESTING APPARATUS, OPTICAL-SIGNAL SWITCHING APPARATU...

Mirror controller for optical switch

Optical-switch testing apparatus, optical-signal switching apparatu...

Controlling apparatus and controlling method for spatial optical sw...