Inventor · disambiguated record
Kenichi Takanashi
Also filed as: TAKANASHI KENICHI
32 granted patents·4 pending applications·1,068 citations·filing 1986–2021
98Inventor score
Top patents by PatentIndex Score
36 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
- 0394US6317246B1Multi-beam scanning apparatusRICOH KK·Filed 2000·Granted Nov 13, 2001·68 cites·15 claims
- 0493US6839157B2Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitchRICOH KK·Filed 2002·Granted Jan 4, 2005·54 cites·7 claims
- 0593US6744545B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2002·Granted Jun 1, 2004·37 cites·55 claims
- 0693US6185026B1Multi-beam scanning apparatusRICOH KK·Filed 1999·Granted Feb 6, 2001·111 cites·18 claims
- 0790US6657761B2Optical scanning device, image forming apparatus, and optical scanning methodRICOH KK·Filed 2001·Granted Dec 2, 2003·44 cites·6 claims
- 0887US6870652B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2004·Granted Mar 22, 2005·21 cites·53 claims
- 0987US5459601AOptical scanner for reducing shadingRICOH KK·Filed 1994·Granted Oct 17, 1995·66 cites·11 claims
- 1087US5355244AOptical scanner for reducing shadingRICOH KK·Filed 1992·Granted Oct 11, 1994·68 cites·3 claims
- 1184US6856438B2Optical scanning lens and apparatus capable of effectively generating accurately-pitched light spots, and image forming apparatus using the sameRICOH KK·Filed 2003·Granted Feb 15, 2005·28 cites·12 claims
- 1283US6833940B2Method and apparatus for optical scanning capable of performing a high speed and high pixel density scanningRICOH KK·Filed 2002·Granted Dec 21, 2004·27 cites·32 claims
- 1382US6233081B1Optical scanning device, image forming apparatus and optical scanning methodRICOH KK·Filed 1999·Granted May 15, 2001·62 cites·80 claims
- 1478US7006270B2Optical scanning device, image forming apparatus, and optical scanning methodRICOH KK·Filed 2005·Granted Feb 28, 2006·6 cites·5 claims
- 1578US4971411AOptical scanning systemRICOH KK·Filed 1989·Granted Nov 20, 1990·38 cites·6 claims
- 1676US8085457B2Light source system, optical scanner, image forming apparatus, and light-amount control methodICHII DAISUKE·Filed 2007·Granted Dec 27, 2011·7 cites·25 claims
- 1776US4756584AScanning optical system with irregular deflecting surface correctionRICOH KK·Filed 1987·Granted Jul 12, 1988·35 cites·6 claims
- 1874US4932734AOptical scanning system using a laser diode arrayRICOH KK·Filed 1988·Granted Jun 12, 1990·32 cites·6 claims
- 1967US2021339460A1Optical shaping apparatusKANTATSU CO LTD·Filed 2021·Application pending·0 cites
- 2065US5161047AOptical scanner for image recording apparatusRICOH KK·Filed 1991·Granted Nov 3, 1992·28 cites·16 claims
- 2163US4779964AZoom lens with a mechanism for moving a first lens so as to be compactly housedRICOH KK·Filed 1986·Granted Oct 25, 1988·22 cites·16 claims
- 2260US4863227ALight scanning deviceRICOH KK·Filed 1988·Granted Sep 5, 1989·20 cites·3 claims
- 2358US4707085AFθ lens for use in light beam scannerRICOH KK·Filed 1986·Granted Nov 17, 1987·17 cites·6 claims
- 2457US2018222108A1Optical shaping apparatusKANTATSU CO LTD·Filed 2016·Application pending·0 cites
- 2556US5771115AOptical scannerRICOH KK·Filed 1996·Granted Jun 23, 1998·19 cites·15 claims
- 2656US5757532AOptical scannerRICOH KK·Filed 1996·Granted May 26, 1998·19 cites·16 claims
- 2754US6862123B2Optical scanning device, image forming apparatus, and optical scanning methodRICOH KK·Filed 2003·Granted Mar 1, 2005·4 cites·10 claims
- 2854US5029956AOptical scannerRICOH KK·Filed 1990·Granted Jul 9, 1991·15 cites·8 claims
- 2954US4836630AOptical scanning system having a surface inclination correction functionRICOH KK·Filed 1987·Granted Jun 6, 1989·16 cites·5 claims
- 3052US4962982ALight beam scanning device and light beam scanning lensRICOH KK·Filed 1989·Granted Oct 16, 1990·15 cites·3 claims
- 3151US2005105156A1Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitchFiled 2004·Application pending·0 cites
- 3248US4846539AFθ lens system for use in light scanning deviceRICOH KK·Filed 1988·Granted Jul 11, 1989·12 cites·3 claims
- 3346US2015092994A1Eligible operator determination device and eligible operator determination methodMASUDA KOJI·Filed 2014·Application pending·0 cites
- 3445US5247385AFθ lens and lens for forming linear imageRICOH KK·Filed 1993·Granted Sep 21, 1993·12 cites·2 claims
- 3540US5087983ALight scanning deviceRICOH KK·Filed 1989·Granted Feb 11, 1992·8 cites·2 claims
- 3640US4859011ALight scanning deviceRICOH KK·Filed 1988·Granted Aug 22, 1989·8 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →