Kiyoo Ito

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Higashikurume, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 6,465,834
- Issue date Oct 15, 2002
- Hitachi, Ltd.
- Kazuo Nakazato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dynamic random access memory having bipolar and C-MOS transistor
- Patent number 5,644,548
- Issue date Jul 1, 1997
- Hitachi, Ltd.
- Goro Kitsukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Monolithic storage device
- Patent number 4,686,650
- Issue date Aug 11, 1987
- Hitachi, Ltd.
- Ryoichi Hori
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device having a dummy cell and a memory cell w...
- Patent number 4,641,279
- Issue date Feb 3, 1987
- Hitachi, Ltd.
- Katsutaka Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Monolithic storage device
- Patent number 4,611,299
- Issue date Sep 9, 1986
- Hitachi, Ltd.
- Ryoichi Hori
- G11 - INFORMATION STORAGE