Keiji Takagi

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Fukushima-ken, JP

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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
Substrate having repaired metallic pattern and method and device fo...
- Patent number 6,875,952
- Issue date Apr 5, 2005
- Alps Electric Co., Ltd.
- Osamu Sakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Substrate having repaired metallic pattern and method and device fo...
- Patent number 6,331,348
- Issue date Dec 18, 2001
- Alps Electric Co., Ltd.
- Osamu Sakai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

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
Information Patent Application
Substrate having repaired metallic pattern and method and device fo...
- Publication number 20010006722
- Publication date Jul 5, 2001
- Alps Electric Co., Ltd.
- Osamu Sakai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...