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Tatsunori Murotani
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Low power consumption semiconductor dynamic random access memory de...
Patent number
5,631,872
Issue date
May 20, 1997
NEC Corporation
Isao Naritake
G11 - INFORMATION STORAGE
Information
Patent Grant
Dynamic ram device having high read operation speed
Patent number
5,574,696
Issue date
Nov 12, 1996
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Dynamic semiconductor memory with refresh function
Patent number
5,329,490
Issue date
Jul 12, 1994
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory
Patent number
5,309,399
Issue date
May 3, 1994
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device having a driving circuit provided in as...
Patent number
5,175,707
Issue date
Dec 29, 1992
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Decoder circuit
Patent number
5,159,215
Issue date
Oct 27, 1992
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device with protection cells
Patent number
4,875,194
Issue date
Oct 17, 1989
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device with low-noise structure
Patent number
4,771,322
Issue date
Sep 13, 1988
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Dynamic memory with improved arrangement for precharging bit lines
Patent number
4,733,373
Issue date
Mar 22, 1988
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Redundant type memory circuit with an improved clock generator
Patent number
4,723,227
Issue date
Feb 2, 1988
NEC Corporation
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Logic circuit with improved hysteresis characteristics
Patent number
4,553,045
Issue date
Nov 12, 1985
Nippon Electric Co., Ltd.
Tatsunori Murotani
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Temperature responsive refresh control circuit
Patent number
4,393,477
Issue date
Jul 12, 1983
Nippon Electric Co., Ltd.
Tatsunori Murotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Logic circuit comprising circuits for producing a faster and a slow...
Patent number
4,296,339
Issue date
Oct 20, 1981
Nippon Electric Co., Ltd.
Tatsunori Murotani
H03 - BASIC ELECTRONIC CIRCUITRY