Tews; Stefan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tews; Stefan.The latest application filed is for "light-converting material".

Company Profile

0.12.13

Tews; Stefan - Greifswald DE
Tews; Stefan - Griefswald DE

*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
Phosphors and phosphor-converted LEDs Grant 10,745,616 - Zych , et al. A	2020-08-18
Silicate phosphors Grant 10,689,570 - Zych , et al.	2020-06-23
Light-converting material Grant 10,557,081 - Stenzel , et al. Feb	2020-02-11
Light-converting Material App 20190085239 - STENZEL; Norbert ; et al.	2019-03-21
Phosphors and phosphor-converted LEDs Grant 10,125,315 - Zych , et al. November 13, 2	2018-11-13
Silicate Phosphors App 20180298280 - ZYCH; Aleksander ; et al.	2018-10-18
Phosphors And Phosphor-converted Leds App 20180155621 - ZYCH; Aleksander ; et al.	2018-06-07
Phosphors And Phosphor-converted Leds App 20180066186 - ZYCH; Aleksander ; et al.	2018-03-08
Silicate Phosphors App 20160264862 - WINKLER; Holger ; et al.	2016-09-15
Phosphor mixtures comprising europium-doped ortho-silicates Grant 9,157,025 - Winkler , et al. October 13, 2	2015-10-13
Non-stoichiometric tetragonal copper alkaline earth silicate phosphors and method of preparing the same Grant 8,501,040 - Lee , et al. August 6, 2	2013-08-06
Light emitting device employing non-stoichiometric tetragonal alkaline earth silicate phosphors Grant 8,431,954 - Lee , et al. April 30, 2	2013-04-30
Phosphor Mixtures Comprising Europium-doped Ortho-silicates App 20120199865 - Winkler; Holger ; et al.	2012-08-09
Light Emitting Device Employing Non-stoichiometric Tetragonal Alkaline Earth Silicate Phosphors App 20120132939 - LEE; Chung Hoon ; et al.	2012-05-31
Non Stoichiometric Tetragonal Copper Alkaline Earth Silicate Phosphors And Method Of Preparing The Same App 20120126174 - Lee; Chung Hoon ; et al.	2012-05-24
Non stoichiometric tetragonal copper alkaline earth silicate phosphors and method of preparing the same Grant 8,137,589 - Lee , et al. March 20, 2	2012-03-20
Light emitting device employing non-stoichiometric tetragonal alkaline earth silicate phosphors Grant 8,134,165 - Lee , et al. March 13, 2	2012-03-13
Ferrous-Metal-Alkaline-Earth-Metal Silicate Mixed Crystal Phosphor and Light Emitting Device using The Same App 20100230691 - Inoue; Mitsuhiro ; et al.	2010-09-16
Light Emitting Device Employing Non-stoichiometric Tetragonal Alkaline Earth Silicate Phosphors App 20100207132 - Lee; Chung Hoon ; et al.	2010-08-19
METHOD OF PRODUCING ILLUMINANTS CONSISTING OF ORTHOSILICATES FOR pcLEDs App 20100201250 - Winkler; Holger ; et al.	2010-08-12
Method for Producing Illuminants Based on Orthosilicates for pcLEDs App 20100194263 - Winkler; Holger ; et al.	2010-08-05
Non Stoichiometric Tetragonal Copper Alkaline Earth Silicate Phosphors And Method Of Preparing The Same App 20090050849 - Lee; Chung Hoon ; et al.	2009-02-26

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.