Ryuji Ohba

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Memory device
- Patent number 9,721,654
- Issue date Aug 1, 2017
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- G11 - INFORMATION STORAGE
Information Patent Grant
Memory device
- Patent number 9,061,898
- Issue date Jun 23, 2015
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nonvolatile semiconductor memory device
- Patent number 9,041,091
- Issue date May 26, 2015
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Memory device
- Patent number 8,969,843
- Issue date Mar 3, 2015
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory
- Patent number 8,916,923
- Issue date Dec 23, 2014
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nonvolatile semiconductor memory device with a narrowing charge sto...
- Patent number 8,890,231
- Issue date Nov 18, 2014
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory
- Patent number 8,742,489
- Issue date Jun 3, 2014
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device and method for manufacturing the same
- Patent number RE44630
- Issue date Dec 10, 2013
- Kabushiki Kaisha Toshiba
- Tetsuya Kai
- 257 - Active solid-state devices
Information Patent Grant
Semiconductor memory
- Patent number 8,587,050
- Issue date Nov 19, 2013
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Random number generating device
- Patent number 8,307,022
- Issue date Nov 6, 2012
- Kabushiki Kaisha Toshiba
- Mari Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device and method for manufacturing the same
- Patent number 8,115,248
- Issue date Feb 14, 2012
- Kabushiki Kaisha Toshiba
- Tetsuya Kai
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Random number generating device
- Patent number 8,039,890
- Issue date Oct 18, 2011
- Kabushiki Kaisha Toshiba
- Mari Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device
- Patent number 7,629,642
- Issue date Dec 8, 2009
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Random number generating element
- Patent number 7,573,094
- Issue date Aug 11, 2009
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Logic apparatus and logic circuit
- Patent number 7,138,651
- Issue date Nov 21, 2006
- Kabushiki Kaisha Toshiba
- Ken Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Random number generating circuit
- Patent number 7,111,029
- Issue date Sep 19, 2006
- Kabushiki Kaisha Toshiba
- Shinobu Fujita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Logic apparatus and logic circuit
- Patent number 6,787,795
- Issue date Sep 7, 2004
- Kabushiki Kaisha Toshiba
- Ken Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with negative differential resistance characte...
- Patent number 6,690,030
- Issue date Feb 10, 2004
- Kabushiki Kaisha Toshiba
- Junji Koga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor storage element
- Patent number 6,680,505
- Issue date Jan 20, 2004
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device and manufacturing method therefor
- Patent number 5,734,181
- Issue date Mar 31, 1998
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...
- Publication number 20170077111
- Publication date Mar 16, 2017
- KABUSHIKI KAISHA TOSHIBA
- Ryuji OHBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURIN...
- Publication number 20160260815
- Publication date Sep 8, 2016
- KABUSHIKI KAISHA TOSHIBA
- Ryuji OHBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE
- Publication number 20160071853
- Publication date Mar 10, 2016
- Kabushiki Kaisha Toshiba
- Ryuji OHBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20150263121
- Publication date Sep 17, 2015
- KABUSHIKI KAISHA TOSHIBA
- Kana HIRAYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...
- Publication number 20150021678
- Publication date Jan 22, 2015
- KABUSHIKI KAISHA TOSHIBA
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE
- Publication number 20140284679
- Publication date Sep 25, 2014
- KABUSHIKI KAISHA TOSHIBA
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMORY DEVICE
- Publication number 20140231740
- Publication date Aug 21, 2014
- KABUSHIKI KAISHA TOSHIBA
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...
- Publication number 20130248967
- Publication date Sep 26, 2013
- Ryuji OHBA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMORY DEVICE
- Publication number 20130082319
- Publication date Apr 4, 2013
- Ryuji Ohba
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE
- Publication number 20130015518
- Publication date Jan 17, 2013
- Kabushiki Kaisha Toshiba
- Hiroyasu SATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY
- Publication number 20120235223
- Publication date Sep 20, 2012
- Ryuji OHBA
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY
- Publication number 20120235219
- Publication date Sep 20, 2012
- Kabushiki Kaisha Toshiba
- Ryuji OHBA
- G11 - INFORMATION STORAGE
Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY
- Publication number 20120061746
- Publication date Mar 15, 2012
- Ryuji Ohba
- B82 - NANO-TECHNOLOGY
Information Patent Application
NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...
- Publication number 20120018792
- Publication date Jan 26, 2012
- Daisuke Matsushita
- G11 - INFORMATION STORAGE
Information Patent Application
RANDOM NUMBER GENERATING DEVICE
- Publication number 20090327379
- Publication date Dec 31, 2009
- Kabushiki Kaisha Toshiba
- Mari Matsumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20090212349
- Publication date Aug 27, 2009
- Tetsuya Kai
- B82 - NANO-TECHNOLOGY
Information Patent Application
RANDOM NUMBER GENERATING DEVICE
- Publication number 20070296025
- Publication date Dec 27, 2007
- Mari Matsumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Semiconductor device
- Publication number 20060124991
- Publication date Jun 15, 2006
- Ryuji Ohba
- B82 - NANO-TECHNOLOGY
Information Patent Application
Random number generating element
- Publication number 20050180219
- Publication date Aug 18, 2005
- Ryuji Ohba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Logic apparatus and logic circuit
- Publication number 20040262598
- Publication date Dec 30, 2004
- Kabushiki Kaisha Toshiba
- Ken Uchida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Random number generating circuit
- Publication number 20030061250
- Publication date Mar 27, 2003
- Kabushiki Kaisha Toshiba
- Shinobu Fujita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Semiconductor storage element
- Publication number 20020140023
- Publication date Oct 3, 2002
- Kabushiki Kaisha Toshiba
- Ryuji Ohba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Logic apparatus and logic circuit
- Publication number 20020096740
- Publication date Jul 25, 2002
- Ken Uchida
- B82 - NANO-TECHNOLOGY
Information Patent Application
Semiconductor device and method of manufacturing the same
- Publication number 20010019137
- Publication date Sep 6, 2001
- Junji Koga
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Memory device

Memory device

Nonvolatile semiconductor memory device

Memory device

Nonvolatile semiconductor memory

Nonvolatile semiconductor memory device with a narrowing charge sto...

Nonvolatile semiconductor memory

Semiconductor device and method for manufacturing the same

Semiconductor memory

Random number generating device

Semiconductor device and method for manufacturing the same

Random number generating device

Semiconductor device

Random number generating element

Logic apparatus and logic circuit

Random number generating circuit

Logic apparatus and logic circuit

Semiconductor device with negative differential resistance characte...

Semiconductor storage element

Semiconductor device and manufacturing method therefor

Patents Applicationslast 30 patents

NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...

NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURIN...

SEMICONDUCTOR MEMORY DEVICE

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...

NONVOLATILE SEMICONDUCTOR MEMORY DEVICE

MEMORY DEVICE

NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...

MEMORY DEVICE

SEMICONDUCTOR MEMORY DEVICE

NONVOLATILE SEMICONDUCTOR MEMORY

SEMICONDUCTOR MEMORY

NONVOLATILE SEMICONDUCTOR MEMORY

NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING...

RANDOM NUMBER GENERATING DEVICE

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

RANDOM NUMBER GENERATING DEVICE

Semiconductor device

Random number generating element

Logic apparatus and logic circuit

Random number generating circuit

Semiconductor storage element

Logic apparatus and logic circuit

Semiconductor device and method of manufacturing the same