Inventor · disambiguated record
Akihito Nakayama
Also filed as: NAKAYAMA AKIHITO
23 granted patents·1 pending application·624 citations·filing 1988–2002
97Inventor score
Files withSONY CORP15SONY PREC ENGINEERING CT S PTE2SONY PREC ENGINEERING CT SINGA2FANUC LTD1JAPAN RES DEV CORP1
Top patents by PatentIndex Score
24 records- 0198US5208535AMr position detecting deviceJAPAN RES DEV CORP·Filed 1991·Granted May 4, 1993·173 cites·7 claims
- 0287USD382862SSensor plate for a fingerprint identifying machineSONY CORP·Filed 1996·Granted Aug 26, 1997·33 cites·1 claims
- 0383US5453684APosition detecting method for use in optical system of a video camera for correcting gain and offset for periodic waveformsSONY CORP·Filed 1993·Granted Sep 26, 1995·42 cites·6 claims
- 0481US6366631B1Jitter measuring method utilizing A/D conversion and deviceSONY PREC ENGINEERING CT S PTE·Filed 1998·Granted Apr 2, 2002·57 cites·12 claims
- 0576US6980303B2Light-emitting/receiving combined unit and displacement sensors using the sameSONY PREC TECHNOLOGY INC·Filed 2002·Granted Dec 27, 2005·18 cites·8 claims
- 0675US5602681ALens barrel for a video camera, and linear feeding system thereofSONY CORP·Filed 1995·Granted Feb 11, 1997·35 cites·4 claims
- 0771US6392967B1Apparatus for measuring characteristics of optical disc systems and methodSONY PREC ENGINEERING CT S PTE·Filed 1998·Granted May 21, 2002·26 cites·17 claims
- 0869US5519465ACamera lens barrel having both pulse drive control and microstep drive controlSONY CORP·Filed 1994·Granted May 21, 1996·13 cites·17 claims
- 0967US6246041B1Apparatus and method for measuring focusing characteristics of optical pickup and/or optical disc and apparatus and method for recording and/or reproducing optical discSONY PREC ENGINEERING CT SINGA·Filed 1998·Granted Jun 12, 2001·21 cites·20 claims
- 1062US6226246B1Apparatus and method for measuring characteristics of optical pickup and/or optical discSONY PREC ENGINEERING CT SINGA·Filed 1998·Granted May 1, 2001·17 cites·8 claims
- 1161US6025907AApparatus and method for measuring characteristics of optical pickup and/or optical discSONY PRECISION ENGINEERING CEN·Filed 1998·Granted Feb 15, 2000·18 cites·6 claims
- 1259US6031942AImage collation method and apparatus for excluding combinations of coordinate valuesSONY CORP·Filed 1997·Granted Feb 29, 2000·49 cites·20 claims
- 1356US6201886B1Image collation deviceSONY CORP·Filed 1997·Granted Mar 13, 2001·41 cites·6 claims
- 1451US5534692AMethod for detecting origin point of position sensorSONY CORP·Filed 1993·Granted Jul 9, 1996·10 cites·12 claims
- 1550US4897647AMethod for absolute position detection and an apparatus thereforeFANUC LTD·Filed 1988·Granted Jan 30, 1990·11 cites·12 claims
- 1646US5444240APosition detecting apparatus employing an estimating functionSONY CORP·Filed 1993·Granted Aug 22, 1995·11 cites·19 claims
- 1743US6049075AMethod for detecting origin point of position sensorSONY CORP·Filed 1997·Granted Apr 11, 2000·8 cites·4 claims
- 1840US6185317B1Image collation deviceSONY CORP·Filed 1999·Granted Feb 6, 2001·14 cites·2 claims
- 1938US2002114099A1Magnetic disc apparatusFiled 2001·Application pending·0 cites
- 2035US6188780B1Image collation deviceSONY CORP·Filed 1997·Granted Feb 13, 2001·9 cites·8 claims
- 2135US6052474AMethod and apparatus for collating imagesSONY CORP·Filed 1996·Granted Apr 18, 2000·11 cites·20 claims
- 2234US5955728AMethod for detecting origin point of position sensorSONY CORP·Filed 1996·Granted Sep 21, 1999·3 cites·2 claims
- 2333US6049087AMethod for detecting origin point of position sensorSONY CORP·Filed 1998·Granted Apr 11, 2000·2 cites·13 claims
- 2431US5696443AMagnetic reluctance sensor arrangement with titled reluctance elementSONY CORP·Filed 1995·Granted Dec 9, 1997·2 cites·8 claims
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