RK

Ronald E. Karam

OS Osram Sylvania: 17 patents #32 of 820Top 4%
GP Gte Products: 6 patents #127 of 928Top 15%
Overall (All Time): #186,906 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5716546 Reduction of lag in yttrium tantalate x-ray phosphors James R. Cox, Joseph A. Cooper, Cheryl Forster, Barry G. DeBoer, Vaddi B. Reddy 1998-02-10
5674430 Lithium borosilicate phosphors James R. Cox 1997-10-07
5658495 Mn-dope Na-Li-taenolite Ru-Yi Qi 1997-08-19
5656199 Terbium or europium activated highly charged fluoropholopite phosphor James R. Cox 1997-08-12
5609792 Phosphor and method of making same James R. Cox 1997-03-11
5597511 Phosphor and method of making same James R. Cox, Ru-Yi Qi 1997-01-28
5582768 Phosphor and method of making same Vaddi B. Reddy, Shellie K. Northrop 1996-12-10
5567351 Phosphor and method of making same Ru-Yi Qi, Vaddi B. Reddy, James R. Cox 1996-10-22
5567352 Phosphor and method of making same Ru-Yi Qi 1996-10-22
5531926 Phosphor and method of making same Ru-Yi Qi 1996-07-02
5531928 Phosphor and method of making same Vaddi B. Reddy, Shellie K. Northrop, Yan Zhang 1996-07-02
5489398 Phosphor and method of making same Vaddi B. Reddy, Shellie K. Northrop 1996-02-06
5431851 Composite electroluminescent phosphor Richard G. W. Gingerich 1995-07-11
5309071 Zinc sulfide electroluminescent phosphor particles and electroluminescent lamp made therefrom Aaron Wold 1994-05-03
5306441 Method of preparing fluoroplogopite phosphor Vaddi B. Reddy, Shellie K. Northrop 1994-04-26
5294368 Method of making a composite electroluminescent phosphor Richard G. W. Gingerich 1994-03-15
5273774 Method of making zinc sulfide electroluminescent phosphor particles Aaron Wold 1993-12-28
5269966 Method of making zinc sulfide precursor material for a copper-activated zinc sulfide electroluminescent phosphor Aaron Wold 1993-12-14
5096614 Process for producing a terbium-activated gadolinium oxysulfide X-ray phosphor wherein the green/blue emission ratio is controlled Ramon L. Yale 1992-03-17
4695478 Gray body colored zinc sulfide activated with copper Harry O. Schulze 1987-09-22
4684595 Cadmium carbonate/cadmium sulfide photoconductor Sixdeniel Faria 1987-08-04
4681807 Gray body colored zinc sulfide activated with copper Harry O. Schulze 1987-07-21
4388394 Cadmium sulfide photoconductor blended with light-absorbing material Sixdeniel Faria 1983-06-14