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Sei-Joo Jang
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State Collete, PA, US
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last 30 patents
Information
Patent Grant
Method for reduction of sinter temperatures of antiferroelectric, l...
Patent number
5,993,895
Issue date
Nov 30, 1999
The Penn State Research Foundation
Sei-Joo Jang
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cardiac defibrillator with multi-phase ferroelectric/antiferroelect...
Patent number
5,728,138
Issue date
Mar 17, 1998
The Penn State Research Foundation
Joseph P. Dougherty
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Electrostrictive ultrasonic probe having expanded operating tempera...
Patent number
5,345,139
Issue date
Sep 6, 1994
Hewlett-Packard Company
Turuvekere R. Gururaja
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Easily poled 0-3 piezoelectric composites for transducer applications
Patent number
5,043,622
Issue date
Aug 27, 1991
Hoechst Celanese Corp.
Geon Sagong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
RF phase shifter
Patent number
5,032,805
Issue date
Jul 16, 1991
The United States of America as represented by the Secretary of the Army
Frank J. Elmer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Easily poled 0-3 piezoelectric composites for transducer applications
Patent number
4,944,891
Issue date
Jul 31, 1990
Hoechst Celanese Corp.
Geon Sagong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lead calcium titanate piezoelectric ceramic element
Patent number
4,764,492
Issue date
Aug 16, 1988
North American Philips Corporation
Kiyoshi Takeuchi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES