Hiroki Oba

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Furukawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lid open/close detection device of portable electronic equipment
- Patent number 6,642,462
- Issue date Nov 4, 2003
- Alps Electric Co., Ltd.
- Nobuyuki Ninomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coordinate input device capable of inputting z-coordinate of image...
- Patent number 6,525,713
- Issue date Feb 25, 2003
- Alps Electric Co., Ltd.
- Kaoru Soeta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Switch assembly
- Patent number 4,782,200
- Issue date Nov 1, 1988
- Alps Electric Co., Ltd.
- Hiroki Oba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch
- Patent number 4,698,465
- Issue date Oct 6, 1987
- Alps Electric Co., Ltd.
- Hiroki Oba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wafer and method for manufacturing switch wafer
- Patent number 4,690,484
- Issue date Sep 1, 1987
- Alps Electric Co., Ltd.
- Hiroki Oba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Miniature push button switch with coil spring movable contact
- Patent number 4,684,775
- Issue date Aug 4, 1987
- Alps Electric Co.
- Hiroki Oba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Latching mechanism for switch
- Patent number 4,677,267
- Issue date Jun 30, 1987
- Alps Electric Co., Ltd.
- Hiroki Oba
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Lid open/close detection device of portable electronic equipment
- Publication number 20020130019
- Publication date Sep 19, 2002
- Alps Electric Co., Ltd.
- Nobuyuki Ninomiya
- H01 - BASIC ELECTRIC ELEMENTS