Inventor · disambiguated record
Shunji O'Hara
Also filed as: O'HARA SHUNJI
8 granted patents·58 citations·filing 1987–1995
85Inventor score
Technology areasG11B
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD8
Top patents by PatentIndex Score
8 records- 0179US5418774AOptical head system and its optical discMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 23, 1995·29 cites·3 claims
- 0256US5467330ARecording method and recording and reproducing apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 14, 1995·8 cites·4 claims
- 0348US5351225AOptical recording and reproducing apparatus having a plurality of light spotsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 27, 1994·6 cites·2 claims
- 0448US5161243ATracking system for an optical recording/reproducing apparatus having a plurality of light spotsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Nov 3, 1992·6 cites·4 claims
- 0539US5202873AAgc circuit for optical disk data reproducing apparatus using alpc period detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 13, 1993·4 cites·5 claims
- 0636US5331620ARecording method and recording apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jul 19, 1994·2 cites·8 claims
- 0735US5615188ARecording method and recording and reproducing apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 25, 1997·3 cites·2 claims
- 0830US5559782ARecording method and recording and reproducing apparatus for optical diskMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 24, 1996·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Shunji O'Hara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →