Yukihiro Oya

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-volatile semiconductor memory device and method for manufacturi...
- Patent number 6,551,867
- Issue date Apr 22, 2003
- Sanyo Electric Co., LTD
- Kazuyuki Ozeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device and a method of fabricating...
- Patent number 6,307,770
- Issue date Oct 23, 2001
- Sanyo Electric Co., Ltd.
- Yukihiro Oya
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Nonvolatile semiconductor memory device and a method of fabricating...
- Patent number 6,136,648
- Issue date Oct 24, 2000
- Sanyo Electric Co., Ltd.
- Yukihiro Oya
- H01 - BASIC ELECTRIC ELEMENTS