Hirokazu Fukui

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Functional device, function maintaining method and function maintai...
- Patent number 7,434,086
- Issue date Oct 7, 2008
- Fujitsu Limited
- Jin Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptive echo canceller
- Patent number 5,151,937
- Issue date Sep 29, 1992
- Fujitsu Limited
- Kaoru Chujo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Differential coding circuit with reduced critical path applicable t...
- Patent number 4,771,439
- Issue date Sep 13, 1988
- Fujitsu Limited
- Takeshi Okazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Phase-locked loop using integrated switched filter
- Patent number 4,524,333
- Issue date Jun 18, 1985
- Nippon Telegraph & Telephone Public Corporation
- Atsushi Iwata
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Exchange, exchange control program, exchange control method
- Publication number 20080046560
- Publication date Feb 21, 2008
- FUJITSU LIMITED
- Katsumi Takada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Functional device, function maintaining method and function maintai...
- Publication number 20060036912
- Publication date Feb 16, 2006
- FUJITSU LIMITED
- Jin Abe
- G06 - COMPUTING CALCULATING COUNTING