Inventor · disambiguated record
Atsuo Osawa
Also filed as: OSAWA ATSUO
15 granted patents·1 pending application·612 citations·filing 1983–2007
95Inventor score
Top patents by PatentIndex Score
16 records- 0195US6130786AProjection lens and image display deviceHITACHI LTD·Filed 1999·Granted Oct 10, 2000·125 cites·4 claims
- 0295US5590943ARear projection type image display apparatus and transmission type screen used thereinHITACHI LTD·Filed 1993·Granted Jan 7, 1997·49 cites·54 claims
- 0395US5513037ARear-projection screen and a rear projection image display employing the rear-projection screenHITACHI LTD·Filed 1994·Granted Apr 30, 1996·47 cites·6 claims
- 0493US5485308ARear-projection type image display apparatus and rear-projection type screenHITACHI LTD·Filed 1995·Granted Jan 16, 1996·70 cites·23 claims
- 0592US5400114ARear-projection screen and a rear projection image display employing the rear-projection screenHITACHI LTD·Filed 1992·Granted Mar 21, 1995·36 cites·37 claims
- 0686US6396506B1Display operation method to change the number of images to be displayed and to independently change image direction and rotation of each imageHITACHI LTD·Filed 1996·Granted May 28, 2002·83 cites·10 claims
- 0779US5926153AMulti-display apparatusHITACHI LTD·Filed 1996·Granted Jul 20, 1999·93 cites·23 claims
- 0873US5659424AProjecting lens and image display deviceHITACHI LTD·Filed 1994·Granted Aug 19, 1997·29 cites·28 claims
- 0971US5892492APlasma display panel with optical filtersHITACHI LTD·Filed 1996·Granted Apr 6, 1999·24 cites·19 claims
- 1066US4780783ALocking device for a cover of magnetic tape cartridgeHITACHI LTD·Filed 1983·Granted Oct 25, 1988·13 cites·3 claims
- 1162US4748521AMagnetic recording/reproducing apparatus for recording onto or reproducing from a magnetic tapeHITACHI LTD·Filed 1986·Granted May 31, 1988·11 cites·6 claims
- 1259US4899235AMagnetic tape loading mechanism and methodHITACHI VIDEO ENG·Filed 1988·Granted Feb 6, 1990·11 cites·9 claims
- 1349US2007216670A1Display DeviceYATSU YASUHARU·Filed 2007·Application pending·0 cites
- 1448US4862300ATape guide moving mechanism for magnetic record reproducing apparatusHITACHI LTD·Filed 1987·Granted Aug 29, 1989·7 cites·20 claims
- 1546US4725910ARotary magnetic head assemblyHITACHI LTD·Filed 1985·Granted Feb 16, 1988·7 cites·4 claims
- 1642US5933280AProjection lens and image display deviceHITACHI LTD·Filed 1997·Granted Aug 3, 1999·7 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →