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Hitoshi Okamura
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Method of designing a semiconductor integrated circuit device in a...
Patent number
6,510,549
Issue date
Jan 21, 2003
NEC Corporation
Hitoshi Okamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
BiCMOS logical integrated circuit
Patent number
6,037,637
Issue date
Mar 14, 2000
NEC Corporation
Hitoshi Okamura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
BiMOS integrated circuit
Patent number
5,917,342
Issue date
Jun 29, 1999
NEC Corporation
Hitoshi Okamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor static random access memory device having memory cell...
Patent number
5,771,190
Issue date
Jun 23, 1998
NEC Corporation
Hitoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
BiCMOS logic gate
Patent number
5,739,703
Issue date
Apr 14, 1998
NEC Corporation
Hitoshi Okamura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
BiCMOS logic circuit with bipolar base clamping
Patent number
5,670,893
Issue date
Sep 23, 1997
NEC Corporation
Hitoshi Okamura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power supply circuit for non-threshold logic circuit
Patent number
5,619,123
Issue date
Apr 8, 1997
NEC Corporation
Hitoshi Okamura
G05 - CONTROLLING REGULATING
Information
Patent Grant
Charge pump circuit for boosting voltage
Patent number
5,604,671
Issue date
Feb 18, 1997
NEC Corporation
Hitoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Bicmos push-pull type logic apparatus with voltage clamp circuit an...
Patent number
5,559,451
Issue date
Sep 24, 1996
NEC Corporation
Hitoshi Okamura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Semiconductor integrated circuit device having clock signal wiring...
Patent number
5,532,500
Issue date
Jul 2, 1996
NEC Corporation
Hitoshi Okamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor device capable of reducing a clock skew in a pluralit...
Patent number
5,521,541
Issue date
May 28, 1996
NEC Corporation
Hitoshi Okamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Read write memory with negative feedback-controlled dummy memory ci...
Patent number
5,473,568
Issue date
Dec 5, 1995
NEC Corporation
Hitoshi Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Semicustom-made semiconductor integrated circuit having interface c...
Patent number
5,067,003
Issue date
Nov 19, 1991
NEC Corporation
Hitoshi Okamura
H01 - BASIC ELECTRIC ELEMENTS