Inventor · disambiguated record
Robert P. Harshberger, Jr.
Also filed as: HARSHBERGER JR ROBERT P · HARSHBERGER R
8 granted patents·80 citations·filing 1976–2005
86Inventor score
Top patents by PatentIndex Score
8 records- 0185US7345842B2Method and system for optimized servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registrationHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 18, 2008·8 cites·13 claims
- 0278US7133244B1Method and system for optimizing servo track writing motor current profile to reduce written-in high-frequency repeatable runout track mis-registrationHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 7, 2006·4 cites·21 claims
- 0378US4129810ASwitching motor control systemAMPEX·Filed 1976·Granted Dec 12, 1978·20 cites·20 claims
- 0476US4232257AWeb transport capstan control systemAMPEX·Filed 1976·Granted Nov 4, 1980·20 cites·52 claims
- 0551US4775788AApparatus for detecting position of a rotating element using a two-grating moire patternGREYHAWK SYSTEMS INC·Filed 1986·Granted Oct 4, 1988·14 cites·6 claims
- 0640US4705996AApparatus for positioning a rotating elementGREYHAWK SYSTEMS·Filed 1986·Granted Nov 10, 1987·10 cites·8 claims
- 0731US4085354ATape transport dynamic brakeAMPEX·Filed 1976·Granted Apr 18, 1978·2 cites·6 claims
- 0830US4289999ADigital variable voltage level control circuit with automatic return to neutralAMPEX·Filed 1979·Granted Sep 15, 1981·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →