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Yasuhei Shimada
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Inverter and method for driving a plurality of cold cathode tubes i...
Patent number
6,075,325
Issue date
Jun 13, 2000
NEC Corporation
Makoto Kouno
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Piezoelectric transformer driver
Patent number
6,028,388
Issue date
Feb 22, 2000
NEC Corporation
Yasuhei Shimada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Secondary battery unit using electric double layer condenser
Patent number
6,020,719
Issue date
Feb 1, 2000
NEC Corporation
Eitaro Nishigaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control circuit and method for driving and controlling parasitic vi...
Patent number
5,923,546
Issue date
Jul 13, 1999
NEC Corporation
Yasuhei Shimada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Driver of cold-cathode fluorescent lamp
Patent number
5,886,477
Issue date
Mar 23, 1999
NEC Corporation
Nobuaki Honbo
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Actuating circuit of piezoelectric transformer and actuating method...
Patent number
5,866,969
Issue date
Feb 2, 1999
NEC Corporation
Yasuhei Shimada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Piezoelectric transformer driving circuit
Patent number
5,859,489
Issue date
Jan 12, 1999
NEC Corporation
Yasuhei Shimada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power source unit employing piezoelectric transformer frequency-con...
Patent number
5,731,652
Issue date
Mar 24, 1998
NEC Corporation
Yasuhei Shimada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Piezoelectric transformer driving circuit
Patent number
5,705,877
Issue date
Jan 6, 1998
NEC Corporation
Yasuhei Shimada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Wide input voltage range power supply with auto-transformers and pi...
Patent number
5,675,484
Issue date
Oct 7, 1997
NEC Corporation
Yasuhei Shimada
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Display information processing apparatus
Patent number
4,845,661
Issue date
Jul 4, 1989
NEC Corporation
Yasuhei Shimada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Display processing apparatus
Patent number
4,630,039
Issue date
Dec 16, 1986
Nippon Electric Co., Ltd.
Yasuhei Shimada
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
Optical transceiver module and method for manufacturing same
Publication number
20090010296
Publication date
Jan 8, 2009
NEC Electronics Corporation
Yasuhei Shimada
G02 - OPTICS