Inventor · disambiguated record
Eiji Ohshima
Also filed as: OHSHIMA EIJI
17 granted patents·382 citations·filing 1984–2002
94Inventor score
Top patents by PatentIndex Score
17 records- 0193US5499143AElectromagnetic actuator and lens drive mechanism using the sameSONY CORP·Filed 1995·Granted Mar 12, 1996·131 cites·8 claims
- 0288US6551530B2Method of forming a hybrid lensSONY CORP·Filed 2001·Granted Apr 22, 2003·28 cites·5 claims
- 0384US4796115ATape loading device for a cassette type tape recording and/or reproducing apparatusSONY CORP·Filed 1986·Granted Jan 3, 1989·33 cites·9 claims
- 0475US5602681ALens barrel for a video camera, and linear feeding system thereofSONY CORP·Filed 1995·Granted Feb 11, 1997·35 cites·4 claims
- 0573US4520411AMagnetic tape recording deviceSONY CORP·Filed 1984·Granted May 28, 1985·17 cites·5 claims
- 0672US5377048ALens barrelSONY CORP·Filed 1993·Granted Dec 27, 1994·38 cites·20 claims
- 0768US5459625ARotary head drum deviceSONY CORP·Filed 1995·Granted Oct 17, 1995·27 cites·12 claims
- 0863US4918551AApparatus for loading a record medium cassetteSONY CORP·Filed 1988·Granted Apr 17, 1990·13 cites·7 claims
- 0960US5306172AVideo tape recorder having built-in camera detachable hand grip memberSONY CORP·Filed 1992·Granted Apr 26, 1994·12 cites·56 claims
- 1058US5157512AVideo tape recorder having built-in camera detachable hand grip memberSONY CORP·Filed 1991·Granted Oct 20, 1992·17 cites·12 claims
- 1156US5390055ALoading system for tape cassette in recording and/or reproducing apparatus for storing and/or reproducing information on recording medium tape stored in cassette housingSONY CORP·Filed 1993·Granted Feb 14, 1995·11 cites·21 claims
- 1243US5745320AApparatus for cleaning heads of a rotary drum in a recording and/or reproducing apparatusSONY CORP·Filed 1997·Granted Apr 28, 1998·6 cites·3 claims
- 1341US7220881B2Process for production of acid anhydrideTOKUYAMA CORP·Filed 2002·Granted May 22, 2007·0 cites·6 claims
- 1438US5258881ATape cassette loading system in recording and/or reproducing apparatusSONY CORP·Filed 1992·Granted Nov 2, 1993·4 cites·16 claims
- 1532US5630560ATape cassetteSONY CORP·Filed 1995·Granted May 20, 1997·2 cites·15 claims
- 1629US5315889AIris drive mechanismSONY CORP·Filed 1992·Granted May 31, 1994·5 cites·3 claims
- 1728US5331482ACam arrangement for cassette loading mechanism having reduced slippageSONY CORP·Filed 1992·Granted Jul 19, 1994·3 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →