Inventor · disambiguated record
Takefumi Sakurada
Also filed as: SAKURADA TAKEFUMI
11 granted patents·190 citations·filing 1989–1995
91Inventor score
Files withOLYMPUS OPTICAL CO11
Top patents by PatentIndex Score
11 records- 0181US5047754ADisplay apparatus for displaying a position indicating mark over a plurality of display screensOLYMPUS OPTICAL CO·Filed 1989·Granted Sep 10, 1991·70 cites·6 claims
- 0274US5394385AOptical information recording/reproducing apparatus for performing positioning of recording/reproducing spot by selection of pairs of photo detecting elementsOLYMPUS OPTICAL CO·Filed 1993·Granted Feb 28, 1995·22 cites·31 claims
- 0366US5568458AOptical information recording and reproducing apparatus in which reproducing light is used to perform servo control having no offset at recording modeOLYMPUS OPTICAL CO·Filed 1993·Granted Oct 22, 1996·17 cites·4 claims
- 0466US5438563AOptical information recording/reproducing device which simultaneously reproduces information from plural tracks and optical information recording/reproducing methodOLYMPUS OPTICAL CO·Filed 1993·Granted Aug 1, 1995·16 cites·20 claims
- 0564US5511051AOptical recording/reproducing apparatus capable of multi-track access for simultaneous multirack recording/reproductionOLYMPUS OPTICAL CO·Filed 1995·Granted Apr 23, 1996·18 cites·10 claims
- 0663US5402399AApparatus and method for reproducing information data from optical cardsOLYMPUS OPTICAL CO·Filed 1993·Granted Mar 28, 1995·14 cites·16 claims
- 0761US5583836AOptical recording/reproducing apparatus capable of multi-track access for simultaneous multitrack recording/reproductionOLYMPUS OPTICAL CO·Filed 1993·Granted Dec 10, 1996·13 cites·8 claims
- 0845US5400308AOptical information recording/reproducing device capable of recording information on a moving medium and reproducing information by using reproducing light beamsOLYMPUS OPTICAL CO·Filed 1993·Granted Mar 21, 1995·6 cites·11 claims
- 0942US5398225AOptical information recording/regenerating apparatus and track scanning method for an optical information recording/regenerating apparatusOLYMPUS OPTICAL CO·Filed 1993·Granted Mar 14, 1995·5 cites·14 claims
- 1036US5192858AOptical card scanning apparatusOLYMPUS OPTICAL CO·Filed 1991·Granted Mar 9, 1993·7 cites·8 claims
- 1133US5371723ARecording and reproducing system for use with different arrangements of optical cardsOLYMPUS OPTICAL CO·Filed 1991·Granted Dec 6, 1994·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →