Inventor · disambiguated record
Toshiyuki Kase
Also filed as: KASE TOSHIYUKI
22 granted patents·1 pending application·370 citations·filing 1990–2005
96Inventor score
Top patents by PatentIndex Score
23 records- 0189US5553052AInclination of an objective lens in an optical information systemASAHI OPTICAL CO LTD·Filed 1994·Granted Sep 3, 1996·55 cites·50 claims
- 0286US5157459AWave front aberration measuring apparatusASAHI OPTICAL CO LTD·Filed 1990·Granted Oct 20, 1992·31 cites·16 claims
- 0382US5297114AMagneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelengthASAHI OPTICAL CO LTD·Filed 1991·Granted Mar 22, 1994·35 cites·7 claims
- 0479US5317144AWave front aberration measuring apparatus having means for adjusting position of collimator lensASAHI OPTICAL CO LTD·Filed 1992·Granted May 31, 1994·20 cites·11 claims
- 0574US6529465B2Optical system for optical disk drivePENTAX CORP·Filed 2001·Granted Mar 4, 2003·11 cites·14 claims
- 0668US5430375APosition detecting apparatus using magneto-resistance effect elementSONY CORP·Filed 1994·Granted Jul 4, 1995·30 cites·1 claims
- 0763US5790501AInformation reproducing deviceASAHI OPTICAL CO LTD·Filed 1997·Granted Aug 4, 1998·16 cites·15 claims
- 0863US5663939AOptical data recording and reproducing apparatus including non-circular beam spotASAHI OPTICAL CO LTD·Filed 1995·Granted Sep 2, 1997·17 cites·20 claims
- 0963US5337300ASignal sensing device of magneto-optic disk device for detecting error signal and information record signals with common photo sensorASAHI OPTICAL CO LTD·Filed 1992·Granted Aug 9, 1994·14 cites·22 claims
- 1057US6879552B2Information recording and reproducing system enabling a selection of whether or not to perform an interruption and resumption of a data-recordingRICOH KK·Filed 2001·Granted Apr 12, 2005·3 cites·6 claims
- 1157US5373437ADevice for and method of reducing cross talk in optical disk deviceASAHI OPTICAL CO LTD·Filed 1991·Granted Dec 13, 1994·11 cites·17 claims
- 1256US5280464AOptical disk apparatus having a focusing error correcting systemASAHI OPTICAL CO LTD·Filed 1991·Granted Jan 18, 1994·10 cites·4 claims
- 1355US6018393AEvaluating system for a dual focus lensASAHI OPTICAL CO LTD·Filed 1997·Granted Jan 25, 2000·18 cites·14 claims
- 1453US5883709AInclination monitoring system including reflection of collimated lightASAHI OPTICAL CO LTD·Filed 1997·Granted Mar 16, 1999·16 cites·10 claims
- 1551US5740147APhase compensation of optical elements by tilting a half wave plate in a magneto-optic disk headASAHI OPTICAL CO LTD·Filed 1996·Granted Apr 14, 1998·9 cites·13 claims
- 1650US5894370AInclination monitoring systemASAHI OPTICAL CO LTD·Filed 1997·Granted Apr 13, 1999·14 cites·12 claims
- 1750US5805363ACollimating lens unitASAHI OPTICAL CO LTD·Filed 1997·Granted Sep 8, 1998·14 cites·20 claims
- 1848US6411588B1Optical data recording/reproducing deviceASAHI OPTICAL CO LTD·Filed 1998·Granted Jun 25, 2002·8 cites·9 claims
- 1948US5434835AOptical disk apparatusASAHI OPTICAL CO LTD·Filed 1993·Granted Jul 18, 1995·7 cites·12 claims
- 2046US5896362ALens Inclination Adjustment SystemASAHI OPTICAL CO LTD·Filed 1997·Granted Apr 20, 1999·12 cites·13 claims
- 2145US5917599ALens inclination adjustment system using an interferometerASAHI OPTICAL CO LTD·Filed 1997·Granted Jun 29, 1999·11 cites·16 claims
- 2243US2005201225A1Optical disk drive capable of adjusting control information to recording layerFiled 2005·Application pending·0 cites
- 2340US5751491AMethod of adjusting beam axis of optical pick-upASAHI OPTICAL CO LTD·Filed 1996·Granted May 12, 1998·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →