Inventor · disambiguated record
Eiichi Toide
Also filed as: TOIDE EIICHI
30 granted patents·883 citations·filing 1986–1996
98Inventor score
Files withMITSUBISHI ELECTRIC CORP30
Top patents by PatentIndex Score
30 records- 0192US5142387AProjection-type display device having light source means including a first and second concave mirrorsMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Aug 25, 1992·124 cites·57 claims
- 0290US5216649AOptical head with a tilt correction servo mechanismMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jun 1, 1993·43 cites·37 claims
- 0389US5765934AProjection type displayMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jun 16, 1998·123 cites·25 claims
- 0486US4817072AOptical head utilizing diffraction gratingMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Mar 28, 1989·33 cites·10 claims
- 0585US5642229AProjection lens unitMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jun 24, 1997·67 cites·6 claims
- 0685US5066138AOptical head apparatusMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Nov 19, 1991·31 cites·7 claims
- 0782US5135300AProjection color display apparatusMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Aug 4, 1992·57 cites·54 claims
- 0881US4789978ASystem and method of astigmatism correction in an optical head apparatusMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Dec 6, 1988·25 cites·17 claims
- 0977US5582473AProjection display apparatusMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Dec 10, 1996·15 cites·29 claims
- 1074US5745297ARetrofocus lens systemMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Apr 28, 1998·42 cites·14 claims
- 1173US4811329AOptical head with laser having particular source of driving currentMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Mar 7, 1989·18 cites·11 claims
- 1270US5321789AProjection display apparatus, and light guide tube/light valve for use in the sameMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Jun 14, 1994·33 cites·56 claims
- 1369US5404246AProjection lens systemMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Apr 4, 1995·33 cites·9 claims
- 1468US5537167AProjection type display apparatusMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jul 16, 1996·30 cites·15 claims
- 1568US5123729AProjection display deviceMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Jun 23, 1992·28 cites·8 claims
- 1664US5570140AProjection unit for projection type display apparatusMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Oct 29, 1996·19 cites·11 claims
- 1762US4797545AOptical head device having positionally adjustable partsMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Jan 10, 1989·11 cites·12 claims
- 1861US5210627AOptical record and reproduction apparatus with liquid crystal panel that rotates light followed by a polarizer or birefringent plateMITSUBISHI ELECTRIC CORP·Filed 1991·Granted May 11, 1993·13 cites·11 claims
- 1961US5130850AProjection lens systemMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jul 14, 1992·24 cites·12 claims
- 2060US4987566AOptical head apparatusMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jan 22, 1991·11 cites·6 claims
- 2153US5739875AProjection unit for projection type display apparatusMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Apr 14, 1998·15 cites·17 claims
- 2253US5572364AProjection lens systemMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Nov 5, 1996·17 cites·34 claims
- 2352US5148320AProjection lensMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Sep 15, 1992·16 cites·33 claims
- 2452US5138222AProjection cathode ray tube having an interference filterMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Aug 11, 1992·10 cites·11 claims
- 2552US4983002AOptical head deviceMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jan 8, 1991·15 cites·17 claims
- 2645US5607216AProjection display apparatusMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Mar 4, 1997·11 cites·26 claims
- 2744US5337093AProjection television system including a plurality of display elements with corresponding optical axes incident to a screen at different points offset from the screen centerMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Aug 9, 1994·9 cites·21 claims
- 2842US4835761ASignal to noise ratio of optical head apparatus employing semiconductor laser beam sourceMITSUBISHI ELECTRIC CORP·Filed 1986·Granted May 30, 1989·5 cites·5 claims
- 2936US4888760AOptical head apparatusMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Dec 19, 1989·3 cites·4 claims
- 3034US5248518AProjection cathode ray tubeMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Sep 28, 1993·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →