Inventor · disambiguated record
Roger R. Bracht
Also filed as: BRACHT ROGER R
6 granted patents·143 citations·filing 1984–1988
85Inventor score
Top patents by PatentIndex Score
6 records- 0190US4606016AWrite protection and data detection using differential detectorOPTICAL STORAGE INT·Filed 1984·Granted Aug 12, 1986·38 cites·7 claims
- 0283US4700056AObjective lens focus initialization systemOPTOTECH INC·Filed 1985·Granted Oct 13, 1987·37 cites·36 claims
- 0377US4680594ASingle beam direct read during write and write protect system for use in an optical data storage systemOPTOTECH INC·Filed 1986·Granted Jul 14, 1987·24 cites·11 claims
- 0471US4882721AOffset for protection against amorphous pipsLASER MAGNETIC STORAGE INT·Filed 1988·Granted Nov 21, 1989·18 cites·6 claims
- 0561US4695994AMethod and apparatus for varying laser intensity levelLASER MAGNETIC STORAGE INT·Filed 1985·Granted Sep 22, 1987·13 cites·19 claims
- 0654US4594717ADriver circuit for laser diodeOPTICAL STORAGE INT·Filed 1984·Granted Jun 10, 1986·13 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →