RQ

Ru-Yi Qi

OS Osram Sylvania: 2 patents #10 of 73Top 15%
📍 Towanda, PA: #3 of 15 inventorsTop 20%
🗺 Pennsylvania: #389 of 4,367 inventorsTop 9%
Overall (1997): #25,209 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5658495 Mn-dope Na-Li-taenolite Ronald E. Karam 1997-08-19
5597511 Phosphor and method of making same James R. Cox, Ronald E. Karam 1997-01-28