Tsutomu Kyuzaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Microwave distributed-constant band-pass filter comprising projecti...
- Patent number 4,216,448
- Issue date Aug 5, 1980
- Nippon Electric Co., Ltd.
- Osamu Kasuga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circulator comprising a spring member between a ferrimagnetic piece...
- Patent number 4,209,756
- Issue date Jun 24, 1980
- Nippon Electric Co., Ltd.
- Yukata Jin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Helix type travelling-wave tube amplifier
- Patent number 4,138,625
- Issue date Feb 6, 1979
- Nippon Electric Co., Ltd.
- Kaoru Koyama
- H01 - BASIC ELECTRIC ELEMENTS