Yoshihiko Akaiwa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Distortion compensation device for use in high-frequency power ampl...
- Patent number 8,175,551
- Issue date May 8, 2012
- NEC Corporation
- Yoshihiko Akaiwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of assigning frequency channel in mobile communications system
- Patent number 5,109,529
- Issue date Apr 28, 1992
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal station of a radio communication network capable of effect...
- Patent number 4,882,766
- Issue date Nov 21, 1989
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital radio communication system utilizing quadrature modulated c...
- Patent number 4,817,116
- Issue date Mar 28, 1989
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver for mobile communication systems
- Patent number 4,776,039
- Issue date Oct 4, 1988
- NEC Corporation
- Yoshihiko Akaiwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency demodulator for recovering digital signals
- Patent number 4,752,742
- Issue date Jun 21, 1988
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of determining optimal transmission channel in multi-station...
- Patent number 4,747,101
- Issue date May 24, 1988
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cordless telephone system
- Patent number 4,661,970
- Issue date Apr 28, 1987
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice scrambler using frequency-inversion and band-splitting technique
- Patent number 4,652,699
- Issue date Mar 24, 1987
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Demodulator for digital FM signals
- Patent number 4,651,107
- Issue date Mar 17, 1987
- NEC Corporation
- Yoshihiko Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio transmitter/receiver for digital and analog communications sy...
- Patent number 4,355,401
- Issue date Oct 19, 1982
- Nippon Electric Co., Ltd.
- Masao Ikoma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshihiko Akaiwa

Person

Patents Grantslast 30 patents

Distortion compensation device for use in high-frequency power ampl...

Method of assigning frequency channel in mobile communications system

Terminal station of a radio communication network capable of effect...

Digital radio communication system utilizing quadrature modulated c...

Receiver for mobile communication systems

Frequency demodulator for recovering digital signals

Method of determining optimal transmission channel in multi-station...

Cordless telephone system

Voice scrambler using frequency-inversion and band-splitting technique

Demodulator for digital FM signals

Radio transmitter/receiver for digital and analog communications sy...