JO

James E. Opfer

HP HP: 6 patents #753 of 7,018Top 15%
DE Develco: 1 patents #6 of 14Top 45%
Overall (All Time): #768,871 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4834855 Method for sputter depositing thin films Darrel Bloomquist, Bangalore R. Natarajan 1989-05-30
4790921 Planetary substrate carrier method and apparatus Darrel Bloomquist, George A. Drennan 1988-12-13
4663009 System and method for depositing plural thin film layers on a substrate Darrel Bloomquist, George A. Drennan, Robert J. Lawton, Michael B. Jacobson 1987-05-05
4631202 Thin film magnetic recording film Bangalore R. Natarajan 1986-12-23
4626336 Target for sputter depositing thin films Darrel Bloomquist, Bangalore R. Natarajan 1986-12-02
4610911 Thin film magnetic recording media Bangalore R. Natarajan 1986-09-09
4221834 Superconductive magnetic shield and method of making same John M. Pierce, Lawrence E. Valby 1980-09-09