Mariko Ohtsuka

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor integrated circuit device
- Patent number 6,314,044
- Issue date Nov 6, 2001
- Hitachi, Ltd.
- Toshio Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device having an improved operatio...
- Patent number 6,301,184
- Issue date Oct 9, 2001
- Hitachi, Ltd.
- Toshio Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 6,091,660
- Issue date Jul 18, 2000
- Hitachi, Ltd.
- Toshio Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 5,978,305
- Issue date Nov 2, 1999
- Hitachi, Ltd.
- Toshio Sasaki
- G11 - INFORMATION STORAGE