Inventor · disambiguated record
Isao Yoshizaki
Also filed as: YOSHIZAKI ISAO
11 granted patents·401 citations·filing 1984–1997
92Inventor score
Top patents by PatentIndex Score
11 records- 0195US5513037ARear-projection screen and a rear projection image display employing the rear-projection screenHITACHI LTD·Filed 1994·Granted Apr 30, 1996·47 cites·6 claims
- 0295US5066099ARear projection screen and method of producing the sameHITACHI LTD·Filed 1990·Granted Nov 19, 1991·136 cites·24 claims
- 0392US5400114ARear-projection screen and a rear projection image display employing the rear-projection screenHITACHI LTD·Filed 1992·Granted Mar 21, 1995·36 cites·37 claims
- 0477US5500747AUltra-wide angle liquid crystal projector systemHITACHI LTD·Filed 1994·Granted Mar 19, 1996·43 cites·15 claims
- 0575US5103302AOptical system for projection type image display deviceHITACHI LTD·Filed 1990·Granted Apr 7, 1992·39 cites·28 claims
- 0672US5272540ATemperature compensating lens system for projection televisionHITACHI LTD·Filed 1991·Granted Dec 21, 1993·37 cites·58 claims
- 0770US4948237AProjection lens systemHITACHI LTD·Filed 1988·Granted Aug 14, 1990·28 cites·21 claims
- 0862US5200814AVideo projector with optical color balanceHITACHI LTD·Filed 1990·Granted Apr 6, 1993·21 cites·36 claims
- 0957US4729031ACoupling system for image projectionHITACHI LTD·Filed 1984·Granted Mar 1, 1988·9 cites·3 claims
- 1030US5255122AProjection lens system for projection type televisionHITACHI LTD·Filed 1990·Granted Oct 19, 1993·2 cites·24 claims
- 1128US5870365AStart ID recording system for use in a digital audio information recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 9, 1999·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →