Koki Aizawa

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pickup level control device for a system for reading out recorded i...
- Patent number 4,558,213
- Issue date Dec 10, 1985
- Pioneer Electronic Corporation
- Koki Aizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Level shifting circuit
- Patent number 4,551,642
- Issue date Nov 5, 1985
- Pioneer Electronic Corporation
- Koki Aizawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
AM stereo signal demodulation circuit
- Patent number 4,215,316
- Issue date Jul 29, 1980
- Pioneer Electronic Corporation
- Tadahiro Yamaguchi
- H03 - BASIC ELECTRONIC CIRCUITRY