Chang; Tao-Yuan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Tao-Yuan.The latest application filed is for "cd drive magazine locking apparatus".

Company Profile

0.9.1

Chang; Tao-Yuan - Banchiau TW
Chang, Tao-Yuan - Banchiau City TW
Chang; Tao-Yuan - Lincroft NJ
Chang; Tao-Yuan - Middletown NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
CD drive magazine locking apparatus Grant 7,055,158 - Chang , et al. May 30, 2	2006-05-30
CD drive magazine locking apparatus App 20040194118 - Chang, Tao-Yuan ; et al.	2004-09-30
Method for manufacturing a semiconductor device, including optical inspection Grant 5,229,304 - Chang , et al. July 20, 1	1993-07-20
Semiconductor device including cascadable polarization independent heterostructure Grant 5,034,783 - Chang , et al. July 23, 1	1991-07-23
Semiconductor device including cascaded modulation-doped quantum well heterostructures Grant 5,008,717 - Bar-Joseph , et al. April 16, 1	1991-04-16
Optical reading of quantum well device Grant 4,761,620 - Bar-Joseph , et al. August 2, 1	1988-08-02
Far-infrared laser tuned by the dynamic Stark effect Grant 4,215,320 - Chang July 29, 1	1980-07-29
Generation of tunable far-infrared radiation Grant 4,128,772 - Chang , et al. December 5, 1	1978-12-05
Optically pumped laser using N.sub.2 O or similar gas mixed with energy-transferring CO.sub.2 Grant 3,860,884 - Chang , et al. January 14, 1	1975-01-14
Tunable Infrared Molecular Lasers Optically Pumped By A Hydrogen-bromide Laser Grant 3,810,042 - Chang , et al. May 7, 1	1974-05-07

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.