Ryuji Fujiwara

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Ooita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Protection circuit for semiconductor devices
- Patent number 5,821,797
- Issue date Oct 13, 1998
- Kabushiki Kaisha Toshiba
- Masanori Kinugasa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Crystal oscillator having plural inverters disabled after start-up
- Patent number 5,208,558
- Issue date May 4, 1993
- Kabushiki Kaisha Toshiba
- Hiroshi Shigehara
- H03 - BASIC ELECTRONIC CIRCUITRY