Katsutoshi Okubo

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-frequency antenna
- Patent number 7,042,400
- Issue date May 9, 2006
- Yokowo Co., Ltd.
- Katsutoshi Okubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device for mobile tele-communication terminal
- Patent number 6,522,300
- Issue date Feb 18, 2003
- Yokowo Co., Ltd.
- Tadashi Oshiyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Multi-frequency antenna
- Publication number 20050099344
- Publication date May 12, 2005
- Yokowo Co., Ltd.
- Katsutoshi Okubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna device for mobile tele-communication terminal
- Publication number 20020126050
- Publication date Sep 12, 2002
- Yokowo Co., Ltd.
- Tadashi Oshiyama
- H01 - BASIC ELECTRIC ELEMENTS