Assignee
ARMITAGE ROBERT DAVID
US·4 granted patents·19 citations·filing 2007–2009
Top patents by PatentIndex Score
4 records- 0187US8390023B2Sapphire substrate, nitride semiconductor luminescent element using the sapphire substrate, and method for manufacturing the nitride semiconductor luminescent elementARMITAGE ROBERT DAVID·Filed 2007·Granted Mar 5, 2013·14 cites·2 claims
- 0272US8263990B2Compound semiconductor light-emitting element and illumination device using the same, and method for manufacturing compound semiconductor light-emitting elementARMITAGE ROBERT DAVID·Filed 2009·Granted Sep 11, 2012·4 cites·16 claims
- 0361US8247791B2Compound semiconductor light emitting element, illuminating apparatus using compound semiconductor light emitting element, and method for manufacturing compound semiconductor light emitting elementARMITAGE ROBERT DAVID·Filed 2009·Granted Aug 21, 2012·1 cites·10 claims
- 0453US8436335B2Detecting element, detecting device, and oxygen concentration test deviceARMITAGE ROBERT DAVID·Filed 2009·Granted May 7, 2013·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when ARMITAGE ROBERT DAVID files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →