Akio Oota

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Toyohashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric resonator, dielectric filter, dielectric duplexer, and c...
- Patent number 6,487,427
- Issue date Nov 26, 2002
- Murata Manufacturing Co., Ltd.
- Tsutomu Tatekawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing superconducting thick film
- Patent number 6,143,697
- Issue date Nov 7, 2000
- Murata Manufacturing Co., Ltd.
- Tsutomu Tatekawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES