Takebumi Kurosaki

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultrathin multimode quartz crystal filter element
- Patent number 5,307,034
- Issue date Apr 26, 1994
- Toyo Communication Equipment Co., Ltd.
- Takao Morita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Structure for a resonator using an ultrathin piezoelectric substrate
- Patent number 5,218,328
- Issue date Jun 8, 1993
- Toyo Communication Equipment Co., Ltd.
- Takao Morita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Structure for supporting a resonator using an ultrathin piezoelectr...
- Patent number 5,185,550
- Issue date Feb 9, 1993
- Toyo Communication Equipment Co., Ltd.
- Takao Morita
- H03 - BASIC ELECTRONIC CIRCUITRY