Hirohisa Iizuka

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Centreville, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 6,828,627
- Issue date Dec 7, 2004
- Kabushiki Kaisha Toshiba
- Akira Goda
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having serially connected memory cell transist...
- Patent number 6,703,669
- Issue date Mar 9, 2004
- Kabushiki Kaisha Toshiba
- Akira Goda
- G11 - INFORMATION STORAGE
Information Patent Grant
Nonvolatile semiconductor memory device having tapered portion on s...
- Patent number 6,462,373
- Issue date Oct 8, 2002
- Kabushiki Kaisha Toshiba
- Kazuhiro Shimizu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor device
- Publication number 20050073008
- Publication date Apr 7, 2005
- Kabushiki Kaisha Toshiba
- Akira Goda
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor device
- Publication number 20040135200
- Publication date Jul 15, 2004
- Kabushiki Kaisha Toshiba
- Akira Goda
- G11 - INFORMATION STORAGE
Information Patent Application
Nonvolatile semiconductor memory device having tapered portion on s...
- Publication number 20010019508
- Publication date Sep 6, 2001
- Kazuhiro Shimizu
- H01 - BASIC ELECTRIC ELEMENTS