Akifumi Kawahara

Person

Moriguchi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Crosspoint nonvolatile memory device and method of driving the same
- Patent number 9,053,787
- Issue date Jun 9, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Kazuhiko Shimakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Designing method of non-volatile memory device, manufacturing metho...
- Patent number 8,995,171
- Issue date Mar 31, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yukio Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Crosspoint nonvolatile memory device and forming method thereof
- Patent number 8,923,032
- Issue date Dec 30, 2014
- Panasonic Corporation
- Kazuhiko Shimakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable resistance nonvolatile memory device and method of writing...
- Patent number 8,902,635
- Issue date Dec 2, 2014
- Panasonic Corporation
- Akifumi Kawahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Nonvolatile semiconductor memory with virtual ground array
- Patent number 7,408,820
- Issue date Aug 5, 2008
- Matsushita Electric Industrial Co., Ltd.
- Takafumi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Nonvolatile memory microcomputer chip, and a method for testing the...
- Patent number 7,035,751
- Issue date Apr 25, 2006
- Matsushita Electric Industrial Co., Ltd.
- Masatoshi Shinagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Column selection circuit of semiconductor memory with transfer gate
- Patent number 5,539,700
- Issue date Jul 23, 1996
- Matsushita Electric Industrial Co., Ltd.
- Akifumi Kawahara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DESIGNING METHOD OF NON-VOLATILE MEMORY DEVICE, MANUFACTURING METHO...
- Publication number 20140146594
- Publication date May 29, 2014
- PANASONIC CORPORATION
- Yukio Hayakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CROSSPOINT NONVOLATILE MEMORY DEVICE AND FORMING METHOD THEREOF
- Publication number 20140112054
- Publication date Apr 24, 2014
- PANASONIC CORPORATION
- Kazuhiko Shimakawa
- G11 - INFORMATION STORAGE
Information Patent Application
VARIABLE RESISTANCE NONVOLATILE MEMORY DEVICE AND METHOD OF WRITING...
- Publication number 20140112055
- Publication date Apr 24, 2014
- PANASONIC CORPORATION
- Akifumi Kawahara
- G11 - INFORMATION STORAGE
Information Patent Application
CROSSPOINT NONVOLATILE MEMORY DEVICE AND METHOD OF DRIVING THE SAME
- Publication number 20140078814
- Publication date Mar 20, 2014
- Kazuhiko Shimakawa
- G11 - INFORMATION STORAGE
Information Patent Application
Nonvolatile semiconductor memory
- Publication number 20070183240
- Publication date Aug 9, 2007
- Takafumi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Non-volatile semiconductor memory device
- Publication number 20070133277
- Publication date Jun 14, 2007
- Ken Kawai
- G11 - INFORMATION STORAGE
Information Patent Application
Nonvolatile memory microcomputer chip, and a method for testing the...
- Publication number 20040153924
- Publication date Aug 5, 2004
- Masatoshi Shinagawa
- G11 - INFORMATION STORAGE

Akifumi Kawahara

Person

Patents Grantslast 30 patents

Crosspoint nonvolatile memory device and method of driving the same

Designing method of non-volatile memory device, manufacturing metho...

Crosspoint nonvolatile memory device and forming method thereof

Variable resistance nonvolatile memory device and method of writing...

Nonvolatile semiconductor memory with virtual ground array

Nonvolatile memory microcomputer chip, and a method for testing the...

Column selection circuit of semiconductor memory with transfer gate

Patents Applicationslast 30 patents

DESIGNING METHOD OF NON-VOLATILE MEMORY DEVICE, MANUFACTURING METHO...

CROSSPOINT NONVOLATILE MEMORY DEVICE AND FORMING METHOD THEREOF

VARIABLE RESISTANCE NONVOLATILE MEMORY DEVICE AND METHOD OF WRITING...

CROSSPOINT NONVOLATILE MEMORY DEVICE AND METHOD OF DRIVING THE SAME

Nonvolatile semiconductor memory

Non-volatile semiconductor memory device

Nonvolatile memory microcomputer chip, and a method for testing the...