PY

Phillip C. Yu

PI Ppg Industries: 4 patents #280 of 1,216Top 25%
PO Ppg Industries Ohio: 3 patents #421 of 1,316Top 35%
📍 Pittsburgh, PA: #1,163 of 7,570 inventorsTop 20%
🗺 Pennsylvania: #11,794 of 74,527 inventorsTop 20%
Overall (All Time): #759,236 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6614577 Method and apparatus for controlling an electrochromic device David L. Backfisch, Charles R. Coleman 2003-09-02
6136161 Fabrication of electrochromic device with plastic substrates David L. Backfisch, John B. Slobodnik, Thomas G. Rukavina 2000-10-24
5969847 Method for sealing a laminated electrochromic device edge Charles R. Coleman, David L. Backfisch 1999-10-19
5798860 Iridium oxide film for electrochromic device David L. Backfisch, Nada A. O'Brien, Bryant P. Hichwa 1998-08-25
5618390 Iridium oxide film for electrochromic device David L. Backfisch, Nada A. O'Brien, Bryant P. Hichwa 1997-04-08
5520851 Iridium oxide film for electrochromic device David L. Backfisch, Nada A. O'Brien, Bryant P. Hichwa 1996-05-28
5471338 Electrochromic device with plastic substrate David L. Backfisch, Thomas G. Rukavina 1995-11-28