Hiroki Oka

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Toyota, JP

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Patents Grantslast 30 patents

Information Patent Grant
Binary digitizer circuit for voltages developed across induction coil
- Patent number 4,972,095
- Issue date Nov 20, 1990
- Aisin Seiki Kabushiki Kaisha
- Hiroki Oka
- G01 - MEASURING TESTING
Information Patent Grant
Vehicle speed detecting device
- Patent number 4,876,527
- Issue date Oct 24, 1989
- Aisin Seiki Kabushiki Kaisha
- Hiroki Oka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrical apparatus including solenoid device and energization con...
- Patent number 4,742,988
- Issue date May 10, 1988
- Aisin Seiki Kabushikikaisha
- Hideo Haneda
- H01 - BASIC ELECTRIC ELEMENTS