Inventor · disambiguated record

John S. Tulk

Also filed as: TULK JOHN · TULK JOHN S

2 granted patents·1 pending application·26 citations·filing 1991–2005

60Inventor score

Technology areasA61N C09K H01J

Files withGTE PROD CORP1 OSRAM SYLVANIA INC1 TULK JOHN1

Top patents by PatentIndex Score

3 records

0161US5858277AAqueous phosphor coating suspension for lampsOSRAM SYLVANIA INC·Filed 1992·Granted Jan 12, 1999·19 cites·6 claims
0242US5378398AMethod of treating europium activated strontium tetraborate phosphorGTE PROD CORP·Filed 1991·Granted Jan 3, 1995·7 cites·6 claims
0336US2009118801A1Discharge lamp having spectral power distribution shift and methods of making the sameTULK JOHN·Filed 2005·Application pending·0 cites

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →