Hirohisa Iizuka

Person

Yokkaichi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor memory preventing an electric short circuit between a...
- Patent number 7,795,667
- Issue date Sep 14, 2010
- Kabushiki Kaisha Toshiba
- Tadashi Iguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 7,782,671
- Issue date Aug 24, 2010
- Kabushiki Kaisha Toshiba
- Hirohisa Iizuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Nonvolatile semiconductor memory device and method for manufacturin...
- Patent number 7,364,951
- Issue date Apr 29, 2008
- Kabushiki Kaisha Toshiba
- Akira Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating semiconductor device
- Patent number 7,297,599
- Issue date Nov 20, 2007
- Kabushiki Kaisha Toshiba
- Norio Ohtani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device and manufacturing method th...
- Patent number 7,238,975
- Issue date Jul 3, 2007
- Kabushiki Kaisha Toshiba
- Hiroaki Hazama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device provided with NAND strings and select gates ha...
- Patent number 7,227,781
- Issue date Jun 5, 2007
- Kabushiki Kaisha Toshiba
- Hirohisa Iizuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating semiconductor device
- Patent number 7,195,968
- Issue date Mar 27, 2007
- Kabushiki Kaisha Toshiba
- Eiji Kamiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device having trench-type isolatio...
- Patent number 7,196,370
- Issue date Mar 27, 2007
- Kabushiki Kaisha Toshiba
- Naoki Kai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device and method for manufacturin...
- Patent number 7,095,085
- Issue date Aug 22, 2006
- Kabushiki Kaisha Toshiba
- Akira Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device covered with insulating fil...
- Patent number 6,828,624
- Issue date Dec 7, 2004
- Kabushiki Kaisha Toshiba
- Akira Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 6,828,648
- Issue date Dec 7, 2004
- Kabushiki Kaisha Toshiba
- Naoki Koido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory device and method for manufacturin...
- Patent number 6,747,311
- Issue date Jun 8, 2004
- Kabushiki Kaisha Toshiba
- Akira Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and method of manufacturing the same
- Patent number 6,639,296
- Issue date Oct 28, 2003
- Kabushiki Kaisha Toshiba
- Naoki Koido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a non-volatile memory having an element iso...
- Patent number 6,413,809
- Issue date Jul 2, 2002
- Kabushiki Kaisha Toshiba
- Takuya Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor storage device and its manufacturing method
- Patent number 6,288,942
- Issue date Sep 11, 2001
- Kabushiki Kaisha Toshiba
- Hirohisa Iizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making memory cell with shallow trench isolation
- Patent number 6,274,434
- Issue date Aug 14, 2001
- Kabushiki Kaisha Toshiba
- Naoki Koido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 6,222,225
- Issue date Apr 24, 2001
- Kabushiki Kaisha Toshiba
- Takuya Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor storage device and its manufacturing method
- Patent number 6,117,729
- Issue date Sep 12, 2000
- Kabushiki Kaisha Toshiba
- Hirohisa Iizuka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20090040824
- Publication date Feb 12, 2009
- Kabushiki Kaisha Toshiba
- Hirohisa IIZUKA
- G11 - INFORMATION STORAGE
Information Patent Application
Nonvolatile semiconductor memory device and manufacturing method th...
- Publication number 20070190727
- Publication date Aug 16, 2007
- Kabushiki Kaisha Toshiba
- Hiroaki Hazama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and method for manufacturin...
- Publication number 20060157801
- Publication date Jul 20, 2006
- Akira Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of fabricating semiconductor device
- Publication number 20060051908
- Publication date Mar 9, 2006
- Kabushiki Kaisha Toshiba
- Norio Ohtani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-volatile semiconductor memory device
- Publication number 20060023505
- Publication date Feb 2, 2006
- Kabushiki Kaisha Toshiba
- Hirohisa Iizuka
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor device and method of fabricating the same
- Publication number 20050253202
- Publication date Nov 17, 2005
- Kabushiki Kaisha Toshiba
- Eiji Kamiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device having trench-type isolatio...
- Publication number 20050047261
- Publication date Mar 3, 2005
- Naoki Kai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and manufacturing method th...
- Publication number 20050012142
- Publication date Jan 20, 2005
- Hiroaki Hazama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and method for manufacturin...
- Publication number 20040173842
- Publication date Sep 9, 2004
- Akira Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method of manufacturing the same
- Publication number 20040099900
- Publication date May 27, 2004
- Tadashi Iguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method of manufacturing the same
- Publication number 20040041231
- Publication date Mar 4, 2004
- Kabushiki Kaisha Toshiba
- Naoki Koido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Nonvolatile semiconductor memory device and method for manufacturin...
- Publication number 20020127802
- Publication date Sep 12, 2002
- Akira Goda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method of manufacturing the same
- Publication number 20010031559
- Publication date Oct 18, 2001
- Kabushiki Kaisha Toshiba
- Naoki Koido
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and manufacturing method thereof
- Publication number 20010018253
- Publication date Aug 30, 2001
- Takuya Nakamura
- H01 - BASIC ELECTRIC ELEMENTS

Hirohisa Iizuka

Person

Patents Grantslast 30 patents

Semiconductor memory preventing an electric short circuit between a...

Semiconductor device and method of manufacturing the same

Nonvolatile semiconductor memory device and method for manufacturin...

Method of fabricating semiconductor device

Nonvolatile semiconductor memory device and manufacturing method th...

Semiconductor device provided with NAND strings and select gates ha...

Method of fabricating semiconductor device

Nonvolatile semiconductor memory device having trench-type isolatio...

Nonvolatile semiconductor memory device and method for manufacturin...

Nonvolatile semiconductor memory device covered with insulating fil...

Semiconductor device and method of manufacturing the same

Nonvolatile semiconductor memory device and method for manufacturin...

Semiconductor device and method of manufacturing the same

Method of manufacturing a non-volatile memory having an element iso...

Nonvolatile semiconductor storage device and its manufacturing method

Method of making memory cell with shallow trench isolation

Semiconductor device and manufacturing method thereof

Nonvolatile semiconductor storage device and its manufacturing method

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

Nonvolatile semiconductor memory device and manufacturing method th...

Nonvolatile semiconductor memory device and method for manufacturin...

Method of fabricating semiconductor device

Non-volatile semiconductor memory device

Semiconductor device and method of fabricating the same

Nonvolatile semiconductor memory device having trench-type isolatio...

Nonvolatile semiconductor memory device and manufacturing method th...

Nonvolatile semiconductor memory device and method for manufacturin...

Semiconductor device and method of manufacturing the same

Semiconductor device and method of manufacturing the same

Nonvolatile semiconductor memory device and method for manufacturin...

Semiconductor device and method of manufacturing the same

Semiconductor device and manufacturing method thereof