Akihiko Kagami

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor memory device performing refresh operation and method...
- Patent number 8,363,496
- Issue date Jan 29, 2013
- Elpida Memory, Inc.
- Tomonori Hayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device and control method thereof
- Patent number 7,606,094
- Issue date Oct 20, 2009
- Elpida Memory, Inc.
- Masski Seno
- G11 - INFORMATION STORAGE
Information Patent Grant
Output circuit of semiconductor memory device
- Patent number 5,940,331
- Issue date Aug 17, 1999
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Test mode setting circuit of test circuit for semiconductor memory
- Patent number 5,629,944
- Issue date May 13, 1997
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device having interface units memorizing avail...
- Patent number 5,563,832
- Issue date Oct 8, 1996
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device incorporating redundancy memory cells h...
- Patent number 5,394,369
- Issue date Feb 28, 1995
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamic random access memory device having autorefreshing unit for...
- Patent number 5,347,491
- Issue date Sep 13, 1994
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamic random access memory device having static column mode of op...
- Patent number 5,295,099
- Issue date Mar 15, 1994
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device with improved address discriminating ci...
- Patent number 5,091,884
- Issue date Feb 25, 1992
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device provided with an improved redundant dec...
- Patent number 4,975,881
- Issue date Dec 4, 1990
- NEC Corporation
- Akihiko Kagami
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND REFRESH CONTROL METHOD OF MEMORY SY...
- Publication number 20110058438
- Publication date Mar 10, 2011
- Elpida Memory, Inc.
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor memory device performing refresh operation and method...
- Publication number 20110026339
- Publication date Feb 3, 2011
- Elpida Memory, Inc.
- Tomonori Hayashi
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND REFRESH CONTROL METHOD OF MEMORY SY...
- Publication number 20100128547
- Publication date May 27, 2010
- Elpida Memory, Inc.
- Akihiko Kagami
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND CONTROL METHOD THEREOF
- Publication number 20080019201
- Publication date Jan 24, 2008
- Elpida Memory, Inc.
- Masaki SENO
- G11 - INFORMATION STORAGE

Akihiko Kagami

Person

Patents Grantslast 30 patents

Semiconductor memory device performing refresh operation and method...

Semiconductor memory device and control method thereof

Output circuit of semiconductor memory device

Test mode setting circuit of test circuit for semiconductor memory

Semiconductor memory device having interface units memorizing avail...

Semiconductor memory device incorporating redundancy memory cells h...

Dynamic random access memory device having autorefreshing unit for...

Dynamic random access memory device having static column mode of op...

Semiconductor memory device with improved address discriminating ci...

Semiconductor memory device provided with an improved redundant dec...

Patents Applicationslast 30 patents

SEMICONDUCTOR MEMORY DEVICE AND REFRESH CONTROL METHOD OF MEMORY SY...

Semiconductor memory device performing refresh operation and method...

SEMICONDUCTOR MEMORY DEVICE AND REFRESH CONTROL METHOD OF MEMORY SY...

SEMICONDUCTOR MEMORY DEVICE AND CONTROL METHOD THEREOF