Akiyoshi Kawahashi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Block-spreading code-division multiple-access demodulator with impr...
- Patent number 5,463,660
- Issue date Oct 31, 1995
- Oki Electric Industry Co., Ltd.
- Atsushi Fukasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Code-division multiple-access communication system providing enhanc...
- Patent number 5,442,662
- Issue date Aug 15, 1995
- Oki Electric Industry Co., Ltd.
- Atsushi Fukasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Code-division multiple-access demodulator with improved interferenc...
- Patent number 5,394,434
- Issue date Feb 28, 1995
- Oki Electric Industry Co., Ltd.
- Manabu Kawabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE