Inventor · disambiguated record
Yasuhiro Osawa
Also filed as: OSAWA YASUHIRO
6 granted patents·156 citations·filing 1992–2004
85Inventor score
Top patents by PatentIndex Score
6 records- 0187US7314079B2Sunshade system having blind sheetASMO CO LTD·Filed 2004·Granted Jan 1, 2008·35 cites·10 claims
- 0277US6476551B1LED array head and minute reflection optical elements array for use in the LED array headRICOH KK·Filed 1999·Granted Nov 5, 2002·58 cites·5 claims
- 0363US6577332B2Optical apparatus and method of manufacturing optical apparatusRICOH KK·Filed 1998·Granted Jun 10, 2003·33 cites·38 claims
- 0450US6069741AOptical device having aperture arrays for shielding lightRICOH KK·Filed 1998·Granted May 30, 2000·13 cites·3 claims
- 0546US5260586AOptical exclusive-or elementRICOH KK·Filed 1992·Granted Nov 9, 1993·12 cites·15 claims
- 0638US5200605AOptically functional device with integral resistance layerRICOH KK·Filed 1992·Granted Apr 6, 1993·5 cites·8 claims
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