Kazuyuki Doi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Stereo signal demodulator having an improved separation characteristic
- Patent number 4,390,746
- Issue date Jun 28, 1983
- Nippon Electric Co., Ltd.
- Naotoshi Higashiyama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multi-channel signal processing circuit formed in a semiconductor i...
- Patent number 4,380,823
- Issue date Apr 19, 1983
- Nippon Electric Co., Ltd.
- Naotoshi Higashiyama
- H03 - BASIC ELECTRONIC CIRCUITRY