Chiyoshi Akiyama

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wireless base station and communication method
- Patent number 8,547,905
- Issue date Oct 1, 2013
- Fujitsu Limited
- Chiyoshi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless base station
- Patent number 8,050,718
- Issue date Nov 1, 2011
- Fujitsu Limited
- Naoyuki Saitou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio base station having transmitters corresponding to a plurality...
- Patent number 7,983,633
- Issue date Jul 19, 2011
- Fujitsu Limited
- Chiyoshi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Calibration apparatus
- Patent number 7,340,248
- Issue date Mar 4, 2008
- Fujitsu Limited
- Toshio Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Calibration apparatus and method for array antenna
- Patent number 7,248,216
- Issue date Jul 24, 2007
- Fujitsu Limited
- Chiyoshi Akiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phase-frequency detector and phase-locked loop circuit incorporatin...
- Patent number 6,255,858
- Issue date Jul 3, 2001
- Fujitsu Limited
- Chiyoshi Akiyama
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS BASE STATION AND COMMUNICATION METHOD
- Publication number 20110230180
- Publication date Sep 22, 2011
- Fujitsu Limited
- Chiyoshi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS BASE STATION
- Publication number 20080214124
- Publication date Sep 4, 2008
- FUJITSU LIMITED
- Naoyuki Saitou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio base station having transmitters corresponding to a plurality...
- Publication number 20080153434
- Publication date Jun 26, 2008
- FUJITSU LIMITED
- Chiyoshi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Calibration apparatus and method for array antenna
- Publication number 20060279459
- Publication date Dec 14, 2006
- FUJITSU LIMITED
- Chiyoshi Akiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Calibration apparatus
- Publication number 20060234694
- Publication date Oct 19, 2006
- FUJITSU LIMITED
- Toshio Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE