Inventor · disambiguated record
Thomas O. Leyh
Also filed as: LEYH THOMAS O
4 granted patents·59 citations·filing 1989–1999
76Inventor score
Technology areasH01J
Top patents by PatentIndex Score
4 records- 0174US5004949AFluorescent lamp with grounded electrode guardPHILIPS CORP·Filed 1989·Granted Apr 2, 1991·20 cites·6 claims
- 0271US5744905AEmission materials for discharge lamps and method for manufacturing electrode structures with such materialsPHILIPS ELECTRONICS NA·Filed 1997·Granted Apr 28, 1998·24 cites·4 claims
- 0354US5117156ARapid start fluorescent lamp having quick hot restartingPHILIPS CORP·Filed 1990·Granted May 26, 1992·13 cites·5 claims
- 0427US6211618B1Arc discharge lamp with bimetal strip for fast passive lamp failurePHILIPS ELECTRONICS NA·Filed 1999·Granted Apr 3, 2001·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Thomas O. Leyh files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →