Satoshi Tonegawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Linear beam microwave tube with planar cold cathode electrode as el...
- Patent number 5,796,212
- Issue date Aug 18, 1998
- NEC Corporation
- Satoshi Tonegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Broad-band traveling-wave tube with offsets on pole pieces and spacers
- Patent number 5,754,006
- Issue date May 19, 1998
- NEC Corporation
- Satoshi Tonegawa
- H01 - BASIC ELECTRIC ELEMENTS