Keiichi Hirooka

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Toyama, JP

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Patents Applicationslast 30 patents

Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE, METHOD FOR DRIVING THE SAM...
- Publication number 20090053866
- Publication date Feb 26, 2009
- Matsushita Electric Industrial Co., Ltd.
- Keiichi Hirooka
- G11 - INFORMATION STORAGE
Information Patent Application
Nonvolatile semiconductor memory device, method for driving the sam...
- Publication number 20050184332
- Publication date Aug 25, 2005
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Keiichi Hirooka
- G11 - INFORMATION STORAGE