Inventor · disambiguated record
Mark Philip Longson
Also filed as: LONGSON MARK PHILIP
4 granted patents·107 citations·filing 2007–2012
79Inventor score
Top patents by PatentIndex Score
4 records- 0194US8003935B2Chemical ionization reaction or proton transfer reaction mass spectrometry with a quadrupole mass spectrometerMKS INSTR INC·Filed 2007·Granted Aug 23, 2011·41 cites·21 claims
- 0293US8704171B2Chemical ionization reaction or proton transfer reaction mass spectrometryMKS INSTR INC·Filed 2012·Granted Apr 22, 2014·13 cites·11 claims
- 0393US8334505B2Chemical ionization reaction or proton transfer reaction mass spectrometryROBINSON TIMOTHY ROGER·Filed 2008·Granted Dec 18, 2012·44 cites·6 claims
- 0485US8003936B2Chemical ionization reaction or proton transfer reaction mass spectrometry with a time-of-flight mass spectrometerMKS INSTR INC·Filed 2007·Granted Aug 23, 2011·9 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when Mark Philip Longson 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 →