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Masakazu Amanai
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Level shifting circuit
Patent number
6,177,824
Issue date
Jan 23, 2001
NEC Corporation
Masakazu Amanai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor memory with PN junction potential reduction in a writ...
Patent number
6,128,230
Issue date
Oct 3, 2000
NEC Corporation
Masakazu Amanai
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
6,115,288
Issue date
Sep 5, 2000
NEC Corporation
Masakazu Amanai
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device for selective cell flash e...
Patent number
6,111,792
Issue date
Aug 29, 2000
NEC Corporation
Satoru Oku
G11 - INFORMATION STORAGE
Information
Patent Grant
Power source circuit for generating positive and negative voltage s...
Patent number
6,084,387
Issue date
Jul 4, 2000
NEC Corporation
Masaki Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device with plural power supply circuits, plural inte...
Patent number
5,942,808
Issue date
Aug 24, 1999
NEC Corporation
Masaki Kaneko
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile memory device which supplies erasable voltage to a fla...
Patent number
5,787,037
Issue date
Jul 28, 1998
NEC Corporation
Masakazu Amanai
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile semiconductor memory device configured to minimize var...
Patent number
5,677,875
Issue date
Oct 14, 1997
NEC Corporation
Yasushi Yamagata
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device having a bias control circuit for erase...
Patent number
5,499,212
Issue date
Mar 12, 1996
NEC Corporation
Masakazu Amanai
G11 - INFORMATION STORAGE
Information
Patent Grant
Read only memory device equipped with output data buffer circuits l...
Patent number
5,309,397
Issue date
May 3, 1994
NEC Corporation
Masakazu Amanai
G11 - INFORMATION STORAGE