HE

Howard C. Epstein

HP HP: 6 patents #753 of 7,018Top 15%
PC Philips Lumileds Lighting Company: 1 patents #104 of 181Top 60%
📍 Los Altos, CA: #1,171 of 3,651 inventorsTop 35%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #655,787 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7980463 Cashiers check verification system 2011-07-19
7201495 Semiconductor light emitting device package with cover with flexible portion 2007-04-10
5013910 Shaft angle encoder with a symmetrical code wheel 1991-05-07
4998013 Optical encoder with inactive photodetectors Thomas J. Lugaresi, Michael A. Robinson 1991-03-05
4920259 Apparatus for producing a phase insensitive index pulse for motion encoders 1990-04-24
4904861 Optical encoder using sufficient inactive photodetectors to make leakage current equal throughout Thomas J. Lugaresi, Michael A. Robinson 1990-02-27
4266125 Optical shaft angle encoder John Uebbing 1981-05-05
4263506 Pulse generating apparatus 1981-04-21