Tomoyuki Otsuka

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Constant current driving circuit
- Patent number 6,975,162
- Issue date Dec 13, 2005
- Fujitsu Limited
- Yuji Tamura
- G05 - CONTROLLING REGULATING
Information Patent Grant
Optical receiver and optical transmission apparatus
- Patent number 6,970,613
- Issue date Nov 29, 2005
- Fujitsu Limited
- Hiroyuki Furukawa
- 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
Modulation controlling circuit
- Patent number 6,658,213
- Issue date Dec 2, 2003
- Fujitsu Limited
- Akihiko Hayashi
- G02 - OPTICS
Information Patent Grant
Optical transmission apparatus for multiple wavelengths and optical...
- Patent number 6,501,774
- Issue date Dec 31, 2002
- Fujitsu Limited
- Hiroshi Kuwahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL APPARATUS UTILIZING MODULATION BASED ON A TERTIARY DRIVE SI...
- Publication number 20080158640
- Publication date Jul 3, 2008
- FUJITSU LIMITED
- Manabu WATANABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONSTANT CURRENT DRIVING CIRCUIT
- Publication number 20050168269
- Publication date Aug 4, 2005
- FUJITSU LIMITED
- Yuji Tamura
- G05 - CONTROLLING REGULATING
Information Patent Application
Optical receiver and optical transmission apparatus
- Publication number 20050157976
- Publication date Jul 21, 2005
- FUJITSU LIMITED
- Hiroyuki Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus for multiple wavelengths and optical...
- Publication number 20020126367
- Publication date Sep 12, 2002
- FUJITSU LIMITED
- Hiroshi Kuwahara
- H01 - BASIC ELECTRIC ELEMENTS
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
Input interruption detecting circuit of optical receiver
- Publication number 20020080456
- Publication date Jun 27, 2002
- Atsushi Suda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Modulation controlling circuit
- Publication number 20020018283
- Publication date Feb 14, 2002
- FUJITSU LIMITED
- Akihiko Hayashi
- G02 - OPTICS

Tomoyuki Otsuka

Person

Patents Grantslast 30 patents

Constant current driving circuit

Optical receiver and optical transmission apparatus

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

Modulation controlling circuit

Optical transmission apparatus for multiple wavelengths and optical...

Patents Applicationslast 30 patents

OPTICAL APPARATUS UTILIZING MODULATION BASED ON A TERTIARY DRIVE SI...

CONSTANT CURRENT DRIVING CIRCUIT

Optical receiver and optical transmission apparatus

Optical transmission apparatus for multiple wavelengths and optical...

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

Input interruption detecting circuit of optical receiver

Modulation controlling circuit