Tsuyoshi Aoki

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Trackball device
- Patent number 5,078,019
- Issue date Jan 7, 1992
- Alps Electric Co., Ltd.
- Tsuyoshi Aoki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic rotary encoder device
- Patent number 4,920,341
- Issue date Apr 24, 1990
- Alps Electric Co., Ltd.
- Tsuyoshi Aoki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Device having rotary knobs extending partially through a plate member
- Patent number 4,621,539
- Issue date Nov 11, 1986
- Alps Electric Co., Ltd.
- Tsuyoshi Aoki
- G05 - CONTROLLING REGULATING