Inventor · disambiguated record
Taira Kouchiwa
Also filed as: KOUCHIWA TAIRA
16 granted patents·584 citations·filing 1985–2006
95Inventor score
Files withRICOH KK16
Top patents by PatentIndex Score
16 records- 0199US6400391B1Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2000·Granted Jun 4, 2002·132 cites·48 claims
- 0295US7072127B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2005·Granted Jul 4, 2006·17 cites·20 claims
- 0393US6744545B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2002·Granted Jun 1, 2004·37 cites·55 claims
- 0489US4753522APlastic lens assembly for use in copying machinesRICOH KK·Filed 1986·Granted Jun 28, 1988·74 cites·3 claims
- 0587US7667868B2Optical scanning device and image forming apparatusRICOH KK·Filed 2006·Granted Feb 23, 2010·9 cites·7 claims
- 0687US6870652B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2004·Granted Mar 22, 2005·21 cites·53 claims
- 0784US6803941B2Image forming apparatus with overlapped light fluxes forming a dotRICOH KK·Filed 2001·Granted Oct 12, 2004·35 cites·8 claims
- 0882US6233081B1Optical scanning device, image forming apparatus and optical scanning methodRICOH KK·Filed 1999·Granted May 15, 2001·62 cites·80 claims
- 0982US5311364AReading lens for scannerRICOH KK·Filed 1992·Granted May 10, 1994·74 cites·9 claims
- 1075US4647961AApparatus for reading the image information of a colored originalRICOH KK·Filed 1985·Granted Mar 3, 1987·32 cites·11 claims
- 1170US4690518AWide angle copying lens systemRICOH KK·Filed 1986·Granted Sep 1, 1987·29 cites·5 claims
- 1269US7245311B2Image forming apparatusRICOH KK·Filed 2004·Granted Jul 17, 2007·11 cites·4 claims
- 1366US4738517ACopying lens with a wide angle of viewRICOH KK·Filed 1986·Granted Apr 19, 1988·25 cites·1 claims
- 1458US4643576AFringe scanning shearing interferometerRICOH KK·Filed 1985·Granted Feb 17, 1987·18 cites·18 claims
- 1533US4859044ALarge aperture lens system for use in a copierRICOH KK·Filed 1988·Granted Aug 22, 1989·4 cites·3 claims
- 1633US4711536AColor separating lens composed of three lens unitsRICOH KK·Filed 1985·Granted Dec 8, 1987·4 cites·2 claims
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