Hiroshi Kojima

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Patents Grantslast 30 patents

Information Patent Grant
Input/output coupling structure for dielectric waveguide
- Patent number 8,729,979
- Issue date May 20, 2014
- Toko, Inc.
- Hiroshi Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide-type dielectric filter
- Patent number 7,009,470
- Issue date Mar 7, 2006
- Toko, Inc.
- Yukikazu Yatabe
- H01 - BASIC ELECTRIC ELEMENTS
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
Input/Output Coupling Structure for Dielectric Waveguide
- Publication number 20120206213
- Publication date Aug 16, 2012
- TOKO, INC.
- Hiroshi KOJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Waveguide-type dielectric filter
- Publication number 20040140871
- Publication date Jul 22, 2004
- TOKO, INC.
- Yukikazu Yatabe
- H01 - BASIC ELECTRIC ELEMENTS
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