Naoki Yamada

Person

Fukushima-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Input device and keyboard device having illumination function
- Patent number 8,334,794
- Issue date Dec 18, 2012
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Keyboard input device
- Patent number 6,664,901
- Issue date Dec 16, 2003
- Alps Electric Co., Ltd.
- Naoki Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coordinate data input device and method of fabricating the same
- Patent number 6,184,872
- Issue date Feb 6, 2001
- Alps Electric Co., Ltd.
- Hideto Matsufusa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sheet-shaped switch
- Patent number 5,973,282
- Issue date Oct 26, 1999
- Alps Electric Co., Ltd.
- Satoru Takemori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coordinate data input device
- Patent number 5,926,171
- Issue date Jul 20, 1999
- Alps Electric Co., Ltd.
- Hideto Matsufusa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coordinate data input device and method of fabricating the same
- Patent number 5,896,127
- Issue date Apr 20, 1999
- Alps Electric Co., Ltd.
- Hideto Matsufusa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sheet-like switch with nonoverlapping conductive patterns
- Patent number 5,892,191
- Issue date Apr 6, 1999
- Alps Electric Co., Ltd.
- Ryuichi Hagiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coordinate input apparatus having orthogonal electrodes on opposite...
- Patent number 5,869,790
- Issue date Feb 9, 1999
- Alps Electric Co., Ltd.
- Hiroshi Shigetaka
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
KEYBOARD DEVICE
- Publication number 20100288615
- Publication date Nov 18, 2010
- Alps Electric Co., Ltd.
- Takahito MAFUNE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INPUT DEVICE AND KEYBOARD DEVICE HAVING ILLUMINATION FUNCTION
- Publication number 20100097246
- Publication date Apr 22, 2010
- Alps Electric Co., Ltd.
- Kazutoshi WATANABE
- G06 - COMPUTING CALCULATING COUNTING

Naoki Yamada

Person

Patents Grantslast 30 patents

Input device and keyboard device having illumination function

Keyboard input device

Coordinate data input device and method of fabricating the same

Sheet-shaped switch

Coordinate data input device

Coordinate data input device and method of fabricating the same

Sheet-like switch with nonoverlapping conductive patterns

Coordinate input apparatus having orthogonal electrodes on opposite...

Patents Applicationslast 30 patents

KEYBOARD DEVICE

INPUT DEVICE AND KEYBOARD DEVICE HAVING ILLUMINATION FUNCTION