Hisaya Sakamoto

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signal light processing apparatus
- Patent number 7,769,304
- Issue date Aug 3, 2010
- Fujitsu Limited
- Hisaya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting device
- Patent number 7,245,837
- Issue date Jul 17, 2007
- Fujitsu Limited
- Hisaya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bias circuit for a photodetector, and an optical receiver
- Patent number 6,707,024
- Issue date Mar 16, 2004
- Fujitsu Limited
- Yoshinobu Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving apparatus, method of compensating for waveform degradatio...
- Patent number 6,694,273
- Issue date Feb 17, 2004
- Fujitsu Limited
- Takashi Kurooka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
APD bias circuit
- Patent number 6,643,472
- Issue date Nov 4, 2003
- Fujitsu Limited
- Hisaya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock extraction circuit
- Patent number 6,188,738
- Issue date Feb 13, 2001
- Fujitsu Limited
- Hisaya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock signal detection circuit
- Patent number 6,065,129
- Issue date May 16, 2000
- Fujitsu Limited
- Hisaya Sakamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Discrimination circuit capable of automatically optimizing discrimi...
- Patent number 5,736,875
- Issue date Apr 7, 1998
- Fujitsu Limited
- Hisaya Sakamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Light-receipt system with current bias circuit and pre-amplifier fo...
- Patent number 5,625,181
- Issue date Apr 29, 1997
- Fujitsu Limited
- Akihiko Yasuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL REGENERATING APPARATUS AND OPTICAL REGENERATING METHOD
- Publication number 20100046963
- Publication date Feb 25, 2010
- FUJITSU LIMITED
- Masaru Akizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical sending apparatus and optical transmission system
- Publication number 20080037997
- Publication date Feb 14, 2008
- FUJITSU LIMITED
- Toru Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal light processing apparatus
- Publication number 20070146795
- Publication date Jun 28, 2007
- FUJITSU LIMITED
- Hisaya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmitting device
- Publication number 20040033082
- Publication date Feb 19, 2004
- FUJITSU LIMITED
- Hisaya Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiving apparatus, method of compensating for waveform degradatio...
- Publication number 20020123851
- Publication date Sep 5, 2002
- FUJITSU LIMITED
- Takashi Kurooka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bias circuit for a photodetector, and an optical receiver
- Publication number 20020043614
- Publication date Apr 18, 2002
- Yoshinobu Miyamoto
- G01 - MEASURING TESTING

Hisaya Sakamoto

Person

Patents Grantslast 30 patents

Signal light processing apparatus

Optical transmitting device

Bias circuit for a photodetector, and an optical receiver

Receiving apparatus, method of compensating for waveform degradatio...

APD bias circuit

Clock extraction circuit

Clock signal detection circuit

Discrimination circuit capable of automatically optimizing discrimi...

Light-receipt system with current bias circuit and pre-amplifier fo...

Patents Applicationslast 30 patents

OPTICAL REGENERATING APPARATUS AND OPTICAL REGENERATING METHOD

Optical sending apparatus and optical transmission system

Signal light processing apparatus

Optical transmitting device

Receiving apparatus, method of compensating for waveform degradatio...

Bias circuit for a photodetector, and an optical receiver