AC

Arthur Calderon

MP Magnetic Peripherals: 2 patents #28 of 149Top 20%
ST Seagate Technology: 2 patents #1,946 of 4,626Top 45%
CD Control Data: 1 patents #56 of 192Top 30%
PA Philips Electronics North America: 1 patents #328 of 725Top 50%
Overall (All Time): #887,188 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5712565 MR sensor having thick active region between two thinner inactive MR regions topped with respective permanent magnets Allan E. Schultz, Peter K. George, Jumna P. Ramdular, Juan J. Fernandez-De Castro, Leroy L. Longworth +1 more 1998-01-27
5646804 Thin film magnetic head having polymer on broken flux guide sections, method of producing and integrated structure incorporating same Todd G. Backer, Wei C. Hsie, William P. Wood, Terry Mitchell 1997-07-08
4992901 Self aligned magnetic poles using sacrificial mask Beat G. Keel, Simon Liao 1991-02-12
4667260 Thin film vertical recording head Craig Perlov 1987-05-19
4564585 Process for fabricating negative pressure sliders Paul S. Blaske, Larry D. Zimmerman, Leroy L. Longworth 1986-01-14
4182643 Method of forming gaps in magnetic heads Douglas J. Hennenfent, Allan L. Holmstrand 1980-01-08