Keiji Takezawa

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Four-direction switch device
- Patent number 6,545,233
- Issue date Apr 8, 2003
- Alps Electric Co., Ltd.
- Keiji Takezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light source holding device
- Patent number 6,010,231
- Issue date Jan 4, 2000
- Alps Electric Co., Ltd.
- Keiji Takezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slide type variable resistor assembly and method of producing same
- Patent number 4,559,515
- Issue date Dec 17, 1985
- Alps Electric Co., Ltd.
- Keiji Takezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sliding rheostat with slider element having calibration means
- Patent number 4,539,546
- Issue date Sep 3, 1985
- Alps Electric Co., Ltd.
- Keiji Takezawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable resistor
- Patent number 4,426,635
- Issue date Jan 17, 1984
- Alps Electric Co., Ltd.
- Keiji Takezawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Four-direction switch device
- Publication number 20020125112
- Publication date Sep 12, 2002
- Alps Electric Co., Ltd.
- Keiji Takezawa
- H01 - BASIC ELECTRIC ELEMENTS