Takefumi Kurosaki

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Samukawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
High frequency narrow-band multi-mode filter
- Patent number RE33957
- Issue date Jun 9, 1992
- Toyo Communication Equipment Co., Ltd.
- Yuzo Nakazawa
- 333 - Wave transmission lines and networks
Information Patent Grant
High frequency narrow-band multi-mode filter
- Patent number 4,542,356
- Issue date Sep 17, 1985
- Toyo Communication Equipment Co., Ltd.
- Yuzo Nakazawa
- H03 - BASIC ELECTRONIC CIRCUITRY