Nobuyoshi Sakamoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface-acoustic-wave device with a capacitance coupled between inp...
- Patent number 4,931,755
- Issue date Jun 5, 1990
- Oki Electric Industry Co., Ltd.
- Nobuyoshi Sakamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface-acoustic-wave filter
- Patent number 4,649,357
- Issue date Mar 10, 1987
- Oki Electric Industry Co., Ltd.
- Kiyoshi Nagai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic surface wave transducer with improved inband frequency cha...
- Patent number 4,406,964
- Issue date Sep 27, 1983
- Oki Electric Industry Co., Ltd.
- Takao Chiba
- H03 - BASIC ELECTRONIC CIRCUITRY