Masazumi Marutani

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Digitally controlled oscillator and digital PLL including the same
- Patent number 9,019,017
- Issue date Apr 28, 2015
- Fujitsu Limited
- Win Chaivipas
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency dividing device
- Patent number 7,965,808
- Issue date Jun 21, 2011
- Fujitsu Limited
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase difference detector and phase difference detection method
- Patent number 7,795,925
- Issue date Sep 14, 2010
- Fujitsu Limited
- Masazumi Marutani
- G01 - MEASURING TESTING
Information Patent Grant
Clock selection circuit and synthesizer
- Patent number 7,750,747
- Issue date Jul 6, 2010
- Fujitsu Limited
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Latch circuit, 4-phase clock generator, and receiving circuit
- Patent number 7,388,416
- Issue date Jun 17, 2008
- Fujitsu Limited
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical dispersion monitoring apparatus and optical dispersion moni...
- Patent number 7,324,758
- Issue date Jan 29, 2008
- Fujitsu Limited
- Masazumi Marutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock frequency divider and trigger signal generation circuit for same
- Patent number 7,187,217
- Issue date Mar 6, 2007
- Fujitsu Limited
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase lock loop circuit and optical repeating apparatus, optical te...
- Patent number 7,027,741
- Issue date Apr 11, 2006
- Fujitsu Limited
- Masazumi Marutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DIGITALLY CONTROLLED OSCILLATOR AND DIGITAL PLL INCLUDING THE SAME
- Publication number 20130147561
- Publication date Jun 13, 2013
- FUJITSU SEMICONDUCTOR LIMITED
- Win CHAIVIPAS
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLOCK SIGNAL OUTPUT CIRCUIT
- Publication number 20100141319
- Publication date Jun 10, 2010
- Fujitsu Limited
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FREQUENCY DIVIDING DEVICE
- Publication number 20090302900
- Publication date Dec 10, 2009
- FUJITSU LIMITED
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Phase Difference Detector And Phase Difference Detection Method
- Publication number 20090267666
- Publication date Oct 29, 2009
- FUJITSU LIMITED
- Masazumi MARUTANI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Clock selection circuit and synthesizer
- Publication number 20080042760
- Publication date Feb 21, 2008
- FUJITSU LIMITED
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Latch circuit, 4-phase clock generator, and receiving circuit
- Publication number 20060152269
- Publication date Jul 13, 2006
- FUJITSU LIMITED
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Clock frequency divider and trigger signal generation circuit for same
- Publication number 20050258879
- Publication date Nov 24, 2005
- FUJITSU LIMITED
- Masazumi Marutani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Demodulation device and demodulation method
- Publication number 20050201496
- Publication date Sep 15, 2005
- FUJITSU LIMITED
- Masazumi Marutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical dispersion monitoring apparatus and optical dispersion moni...
- Publication number 20040105684
- Publication date Jun 3, 2004
- FUJITSU LIMITED
- Masazumi Marutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase lock loop circuit and optical repeating apparatus, optical te...
- Publication number 20020121937
- Publication date Sep 5, 2002
- FUJITSU LIMITED
- Masazumi Marutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masazumi Marutani

Person

Patents Grantslast 30 patents

Digitally controlled oscillator and digital PLL including the same

Frequency dividing device

Phase difference detector and phase difference detection method

Clock selection circuit and synthesizer

Latch circuit, 4-phase clock generator, and receiving circuit

Optical dispersion monitoring apparatus and optical dispersion moni...

Clock frequency divider and trigger signal generation circuit for same

Phase lock loop circuit and optical repeating apparatus, optical te...

Patents Applicationslast 30 patents

DIGITALLY CONTROLLED OSCILLATOR AND DIGITAL PLL INCLUDING THE SAME

CLOCK SIGNAL OUTPUT CIRCUIT

FREQUENCY DIVIDING DEVICE

Phase Difference Detector And Phase Difference Detection Method

Clock selection circuit and synthesizer

Latch circuit, 4-phase clock generator, and receiving circuit

Clock frequency divider and trigger signal generation circuit for same

Demodulation device and demodulation method

Optical dispersion monitoring apparatus and optical dispersion moni...

Phase lock loop circuit and optical repeating apparatus, optical te...