Shigeru Ohkawa

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Sapporo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Distortion compensating apparatus, wireless communicating apparatus...
- Patent number 8,014,736
- Issue date Sep 6, 2011
- Fujitsu Limited
- Takashi Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multicarrier amplifying device
- Patent number 6,888,404
- Issue date May 3, 2005
- Fujitsu Limited
- Shigeru Ohkawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency amplifier and amplification element
- Patent number 6,392,491
- Issue date May 21, 2002
- Fujitsu Limited
- Shigeru Ohkawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
DISTORTION COMPENSATING APPARATUS, WIRELESS COMMUNICATING APPARATUS...
- Publication number 20090298446
- Publication date Dec 3, 2009
- Fujitsu Limited
- Takashi Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multicarrier amplifying device
- Publication number 20030090319
- Publication date May 15, 2003
- Shigeru Ohkawa
- H03 - BASIC ELECTRONIC CIRCUITRY