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Tadao Akamine
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Chiba, JP
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last 30 patents
Information
Patent Grant
Constant-current output driver with reduced over-shoot
Patent number
6,469,405
Issue date
Oct 22, 2002
Seiko Instruments Inc.
Yasuhiro Moya
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of producing a bipolar transistor
Patent number
5,925,574
Issue date
Jul 20, 1999
Seiko Instruments Inc.
Kenji Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing MIS transistors having a gate electrode of matc...
Patent number
5,874,352
Issue date
Feb 23, 1999
Sieko Instruments Inc.
Tadao Akamine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Avalanche photodiode for light detection
Patent number
5,763,903
Issue date
Jun 9, 1998
Seiko Instruments Inc.
Masaaki Mandai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Impurity doping method with diffusion source of boron-silicide film
Patent number
5,753,530
Issue date
May 19, 1998
Seiko Instruments, Inc.
Tadao Akamine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photoelectric conversion semiconductor device
Patent number
5,744,850
Issue date
Apr 28, 1998
Seiko Instruments R&D Center Inc.
Keiji Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photoelectric conversion semiconductor device with insulation film
Patent number
5,719,414
Issue date
Feb 17, 1998
Keiji Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Impurity doping method with adsorbed diffusion source
Patent number
5,532,185
Issue date
Jul 2, 1996
Seiko Instruments Inc.
Tadao Akamine
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing PN junction device
Patent number
5,514,620
Issue date
May 7, 1996
Seiko Instruments Inc.
Kenji Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Doping method of barrier region in semiconductor device
Patent number
5,338,697
Issue date
Aug 16, 1994
Seiko Instruments Inc.
Kenji Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing field effect transistor
Patent number
5,124,272
Issue date
Jun 23, 1992
Seiko Instruments, Inc.
Naoto Saito
H01 - BASIC ELECTRIC ELEMENTS