Hiroyuki Katoh

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric waveguide filter and mounting structure thereof
- Patent number 6,677,837
- Issue date Jan 13, 2004
- Toko, Inc.
- Hiroshi Kojima
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Dielectric waveguide filter and mounting structure thereof
- Publication number 20030016100
- Publication date Jan 23, 2003
- Toko, Inc.
- Hiroshi Kojima
- H01 - BASIC ELECTRIC ELEMENTS