Naoya Iwama

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Easily peelable sheet having contact plates and switch device emplo...
- Patent number 6,768,074
- Issue date Jul 27, 2004
- Alps Electric Co., Ltd.
- Naoya Iwama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sheet having moving contacts and sheet switch
- Patent number 6,548,779
- Issue date Apr 15, 2003
- Alps Electric Co., Ltd.
- Katsutoshi Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch including dome-shaped movable contact having rev...
- Patent number 6,271,491
- Issue date Aug 7, 2001
- Alps Electric Co., Ltd.
- Yutaka Ono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sheet with movable contacts and sheet switch
- Patent number 6,259,046
- Issue date Jul 10, 2001
- Alps Electric Co., Ltd.
- Naoya Iwama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display screen control apparatus
- Patent number 5,510,810
- Issue date Apr 23, 1996
- Alps Electric Co., Ltd.
- Akio Nishijima
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Easily peelable sheet having contact plates and switch device emplo...
- Publication number 20020125578
- Publication date Sep 12, 2002
- Alps Electric Co., Ltd.
- Naoya Iwama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Sheet having moving contacts and sheet switch
- Publication number 20020017449
- Publication date Feb 14, 2002
- Alps Electric Co., Ltd.
- Katsutoshi Takahashi
- H01 - BASIC ELECTRIC ELEMENTS