Shigeo Ogawa

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Minato-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Portable satellite communication equipment with foldable flat anten...
- Patent number 5,542,104
- Issue date Jul 30, 1996
- NEC Corporation
- Hirohisa Ozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Filter with dielectric resonators
- Patent number 4,757,289
- Issue date Jul 12, 1988
- NEC Corporation
- Yuhei Kosugi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency connector
- Patent number 4,669,805
- Issue date Jun 2, 1987
- Yuhei Kosugi
- H01 - BASIC ELECTRIC ELEMENTS