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Weng-Kwen Raymond Chia
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Irvine, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High torque balloon catheter possessing multi-directional deflectab...
Patent number
7,171,275
Issue date
Jan 30, 2007
Irvine Biomedical Inc.
Cary Hata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
High torque catheter possessing multi-directional deflectability an...
Patent number
6,611,720
Issue date
Aug 26, 2003
Irvine Biomedical Inc.
Cary Hata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Self-guiding catheter system for tissue ablation
Patent number
6,290,697
Issue date
Sep 18, 2001
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Intravascular ultrasound locating system
Patent number
6,259,941
Issue date
Jul 10, 2001
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ultrasound locating system having ablation capabilities
Patent number
6,246,899
Issue date
Jun 12, 2001
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ablation device and methods having perpendicular electrodes
Patent number
6,245,067
Issue date
Jun 12, 2001
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having controllable ultrasound locating means
Patent number
6,233,477
Issue date
May 15, 2001
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having a ball electrode and methods thereof
Patent number
6,226,554
Issue date
May 1, 2001
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Steerable ablation catheter system having disposable shaft
Patent number
6,221,070
Issue date
Apr 24, 2001
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter probe for treating focal atrial fibrillation in pulmonary...
Patent number
6,217,576
Issue date
Apr 17, 2001
Irvine Biomedical Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ablation catheter having electrode means and methods thereof
Patent number
6,156,033
Issue date
Dec 5, 2000
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having closely spaced distal bipolar electrodes
Patent number
6,001,095
Issue date
Dec 14, 1999
Irvine Biomedical, Inc.
Alan de la Rama
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having safety means and methods thereof
Patent number
5,992,418
Issue date
Nov 30, 1999
Irvine Biomedical , Inc.
Alan de la Rama
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having ultrasound locating capabilities
Patent number
5,954,649
Issue date
Sep 21, 1999
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter having multiple-needle electrode and methods thereof
Patent number
5,941,845
Issue date
Aug 24, 1999
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having cooled multiple-needle electrode and methods...
Patent number
5,938,659
Issue date
Aug 17, 1999
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having a porous shaft and fluid irrigation capabili...
Patent number
5,913,856
Issue date
Jun 22, 1999
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Steerable catheter having a loop electrode
Patent number
5,897,554
Issue date
Apr 27, 1999
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having a tip with fixation means
Patent number
5,891,137
Issue date
Apr 6, 1999
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having parallel electrodes
Patent number
5,891,138
Issue date
Apr 6, 1999
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ablation apparatus with ultrasonic imaging capabilities
Patent number
5,876,340
Issue date
Mar 2, 1999
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system and methods thereof
Patent number
5,876,399
Issue date
Mar 2, 1999
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ablation catheter system having fixation tines
Patent number
5,868,741
Issue date
Feb 9, 1999
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ablation device and methods
Patent number
5,843,020
Issue date
Dec 1, 1998
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having a ball electrode
Patent number
5,843,152
Issue date
Dec 1, 1998
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter having cooled multiple-needle electrode
Patent number
5,792,140
Issue date
Aug 11, 1998
Irvine Biomedical, Inc.
Hosheng Tu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Catheter system having safety means
Patent number
5,782,900
Issue date
Jul 21, 1998
Irvine Biomedical, Inc.
Alan de la Rama
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Exchangeable catheter handle for inserting a catheter shaft
Patent number
D384743
Issue date
Oct 7, 1997
Irvine Biomedical, Inc.
Weng-Kwen Raymond Chia
D24 - Medical and laboratory equipment
Patents Applications
last 30 patents
Information
Patent Application
High torque balloon catheter possessing multi-directional deflectab...
Publication number
20040039326
Publication date
Feb 26, 2004
Cary Hata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Ultrasonic treatment device and methods thereof
Publication number
20020173688
Publication date
Nov 21, 2002
Peter Cheng Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Catheter for circular tissue ablation and methods thereof
Publication number
20010044625
Publication date
Nov 22, 2001
Cary Hata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
High torque catheter possessing multi-directional deflectability an...
Publication number
20010032007
Publication date
Oct 18, 2001
Cary Hata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE