Takeshi Koyama

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Chigasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
OFDM transmit signal receiver
- Patent number 6,983,027
- Issue date Jan 3, 2006
- Kabushiki Kaisha Toshiba
- Takashi Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic gain control method and its system
- Patent number 6,771,719
- Issue date Aug 3, 2004
- Kabushiki Kaisha Toshiba
- Takeshi Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Phase comparing circuit, PLL circuit, televisions broadcasting rece...
- Patent number 6,636,079
- Issue date Oct 21, 2003
- Kabushiki Kaisha Toshiba
- Takeshi Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor protection device
- Patent number 5,148,249
- Issue date Sep 15, 1992
- Kabushiki Kaisha Toshiba
- Takeshi Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with MIS capacitor
- Patent number 5,089,875
- Issue date Feb 18, 1992
- Kabushiki Kaisha Toshiba
- Takeshi Koyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OFDM transmit signal receiver
- Publication number 20020061076
- Publication date May 23, 2002
- Takashi Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase comparing circuit , PLL circuit , televisions broadcasting re...
- Publication number 20010013798
- Publication date Aug 16, 2001
- KABUSHIKI KAISHA TOSHIBA
- Takeshi Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE