Inventor · disambiguated record
Teh F. Yen
Also filed as: YEN TEH F · YEN TEH FU
17 granted patents·2 pending applications·578 citations·filing 1975–2008
95Inventor score
Top patents by PatentIndex Score
19 records- 0194US6402939B1Oxidative desulfurization of fossil fuels with ultrasoundSULPHCO INC·Filed 2000·Granted Jun 11, 2002·120 cites·33 claims
- 0292US4043885AElectrolytic pyrite removal from kerogen materialsUNIV SOUTHERN CALIFORNIA·Filed 1976·Granted Aug 23, 1977·56 cites·10 claims
- 0389US3982995AMethod of converting oil shale into a fuelUNIV SOUTHERN CALIFORNIA·Filed 1975·Granted Sep 28, 1976·61 cites·29 claims
- 0488US5017281ATreatment of carbonaceous materialsTAR SANDS ENERGY LTD·Filed 1989·Granted May 21, 1991·84 cites·6 claims
- 0588US4891131ASonication method and reagent for treatment of carbonaceous materialsTAR SANDS ENERGY LTD·Filed 1984·Granted Jan 2, 1990·60 cites·38 claims
- 0681US4765885ATreatment of carbonaceous materialsENERESOURCE INC·Filed 1987·Granted Aug 23, 1988·52 cites·22 claims
- 0781US4043881AElectrolytic recovery of economic values from shale oil retort waterUNIV SOUTHERN CALIFORNIA·Filed 1976·Granted Aug 23, 1977·24 cites·9 claims
- 0879US4045313AElectrolytic recovery from bituminous materialsUNIV SOUTHERN CALIFORNIA·Filed 1976·Granted Aug 30, 1977·22 cites·10 claims
- 0977US8197763B2Ultrasound-assisted oxidative desulfurization of diesel fuel using quaternary ammonium fluoride and portable unit for ultrasound-assisted oxidative desulfurizationYEN TEH-FU·Filed 2007·Granted Jun 12, 2012·7 cites·19 claims
- 1071US4124501APurifying oil shale retort waterUNIV SOUTHERN CALIFORNIA·Filed 1977·Granted Nov 7, 1978·26 cites·33 claims
- 1161US5139679ATreatment of wastewater containing citric acid and triethanolamineUS NAVY·Filed 1992·Granted Aug 18, 1992·27 cites·18 claims
- 1252US4043884AElectrolytic hydrogenation of leached oil shale componentsUNIV SOUTHERN CALIFORNIA·Filed 1976·Granted Aug 23, 1977·7 cites·5 claims
- 1349US2005257719A1Disposal of hazardous cathode ray tube waste, using a biopolymer modified concrete systemKIM DAEIK·Filed 2005·Application pending·0 cites
- 1448US4522265AMethod for fracturing of oil shaleUNIV SOUTHERN CALIFORNIA·Filed 1980·Granted Jun 11, 1985·12 cites·10 claims
- 1541US4232738APetroleum recovery process using native petroleum surfactantsUNIV SOUTHERN CALIFORNIA·Filed 1978·Granted Nov 11, 1980·8 cites·28 claims
- 1641US2009184030A1Process For Separating Used OilYEN TEH FU·Filed 2008·Application pending·0 cites
- 1735US4325433APre-caustic flood treatmentUNIV SOUTHERN CALIFORNIA·Filed 1980·Granted Apr 20, 1982·6 cites·21 claims
- 1831US4773985AMethod of optimizing mesophase formation in graphite and coke precursorsUNIV SOUTHERN CALIFORNIA·Filed 1985·Granted Sep 27, 1988·3 cites·3 claims
- 1928US4411816ANative petroleum surfactantsUNIV SOUTHERN CALIFORNIA·Filed 1980·Granted Oct 25, 1983·3 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →