Inventor · disambiguated record
Takeshi Yamawaki
Also filed as: YAMAWAKI TAKESHI
36 granted patents·582 citations·filing 1974–2014
98Inventor score
Top patents by PatentIndex Score
36 records- 0193US7057632B2Optical scanning apparatus, image forming apparatus, and methods of performing optical scanning using optical scanning apparatus and image forming apparatusCANON KK·Filed 2000·Granted Jun 6, 2006·63 cites·42 claims
- 0293US4493505ARear seat of an automobileTOYOTA MOTOR CO LTD·Filed 1983·Granted Jan 15, 1985·79 cites·8 claims
- 0385US6756583B2Optical scanning device and image forming apparatus wherein the light source is kept continuously lit between line scansCANON KK·Filed 2001·Granted Jun 29, 2004·27 cites·20 claims
- 0483US5608716AOptical recording/reproducing apparatus including a semiconductor laser having a plurality of radiative portions having different physical characteristicsCANON KK·Filed 1995·Granted Mar 4, 1997·38 cites·18 claims
- 0581US6282165B1Optical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording mediumCANON KK·Filed 2000·Granted Aug 28, 2001·12 cites·8 claims
- 0681US4147336ASeat frame for a vehicleTOYOTA MOTOR CO LTD·Filed 1977·Granted Apr 3, 1979·47 cites·11 claims
- 0777US6046835AScanning optical apparatusCANON KK·Filed 1997·Granted Apr 4, 2000·55 cites·24 claims
- 0876US6141302AOptical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording mediumCANON KK·Filed 1997·Granted Oct 31, 2000·23 cites·24 claims
- 0975US6418109B2Optical recording/reproducing apparatus including a mask device for masking marginal rays, in a direction perpendicular to a recording medium track, of a light beam returned from the recording mediumCANON KK·Filed 2001·Granted Jul 9, 2002·8 cites·5 claims
- 1074US6507427B1Scanning optical device and method of regulating imaging position thereofCANON KK·Filed 2000·Granted Jan 14, 2003·15 cites·22 claims
- 1172US6141118AOptical scanning deviceCANON KK·Filed 1997·Granted Oct 31, 2000·37 cites·9 claims
- 1271US8314824B2Optical scanning apparatus and image forming apparatus using the sameYAMAWAKI TAKESHI·Filed 2010·Granted Nov 20, 2012·2 cites·7 claims
- 1370US4065426AMethod for the preparation of powdered rubberMITSUBISHI CHEM IND·Filed 1976·Granted Dec 27, 1977·22 cites·13 claims
- 1466US4111039AApparatus for measuring the hardness of rubberMITSUBISHI CHEM IND·Filed 1976·Granted Sep 5, 1978·23 cites·1 claims
- 1561US7450284B2Optical scanning apparatus and image forming apparatus using the same including relationship between interval between deflector and scanned surface and a natural convergent pointCANON KK·Filed 2007·Granted Nov 11, 2008·2 cites·21 claims
- 1659US7355773B2Optical scanning apparatus and image forming apparatus using sameCANON KK·Filed 2006·Granted Apr 8, 2008·2 cites·16 claims
- 1756US5781222AOptical information recording/reproducing apparatus supplying a smaller high-frequency current to a first semiconductor laser for generating a light beam to record information than to a second semiconductor laser for reproducing recorded informationCANON KK·Filed 1995·Granted Jul 14, 1998·12 cites·3 claims
- 1855US6963433B2Multibeam scanning optical device and image forming apparatus using the sameCANON KK·Filed 2003·Granted Nov 8, 2005·4 cites·18 claims
- 1955US5966232AScanning optical systemCANON KK·Filed 1998·Granted Oct 12, 1999·16 cites·12 claims
- 2054US9035987B2Image forming apparatus, including a light scanning apparatus that emits a light fluxCANON KK·Filed 2014·Granted May 19, 2015·0 cites·9 claims
- 2154US6930812B2Multi-beam light scanning optical system and image forming apparatus using sameCANON KK·Filed 2002·Granted Aug 16, 2005·5 cites·16 claims
- 2253US5721977ADistance measuring apparatus of camera improved in measuring processMINOLTA CO LTD·Filed 1997·Granted Feb 24, 1998·17 cites·12 claims
- 2351US8699077B2Scanning optical apparatus and image forming apparatus using the sameYAMAWAKI TAKESHI·Filed 2009·Granted Apr 15, 2014·0 cites·14 claims
- 2451US6108115AScanning optical systemCANON KK·Filed 1999·Granted Aug 22, 2000·13 cites·14 claims
- 2550US7557974B2Optical scanning apparatus and image forming apparatus using the same including relationship between interval between deflector and scanned surface and a natural convergent pointCANON KK·Filed 2008·Granted Jul 7, 2009·0 cites·10 claims
- 2649US5805939ACamera arranged with a viewfinder system having an optical axis different from that of a distance measuring deviceMINOLTA CO LTD·Filed 1995·Granted Sep 8, 1998·15 cites·12 claims
- 2748US9211011B2Angle adjusterHIKARI CO LTD·Filed 2013·Granted Dec 15, 2015·3 cites·23 claims
- 2844US6930807B1Color image reading apparatusCANON KK·Filed 1999·Granted Aug 16, 2005·10 cites·18 claims
- 2943US6268877B1Scanning optical device featuring optical system image magnifications in main and subscanning directions within a prescribed rangeCANON KK·Filed 1997·Granted Jul 31, 2001·9 cites·12 claims
- 3040US6882404B2Scanning optical device and image forming apparatus using the sameCANON KK·Filed 2003·Granted Apr 19, 2005·0 cites·16 claims
- 3139US8130254B2Optical scanning apparatus and color image forming apparatus using the sameYAMAWAKI TAKESHI·Filed 2010·Granted Mar 6, 2012·0 cites·6 claims
- 3239US6104520ALaser scanning optical system and image forming apparatus using the sameCANON KK·Filed 1998·Granted Aug 15, 2000·7 cites·18 claims
- 3337US3975461AProcess for preparing a graft copolymerMITSUBISHI CHEM IND·Filed 1974·Granted Aug 17, 1976·4 cites·10 claims
- 3433US5490129AOptical head and optical information reading apparatusCANON KK·Filed 1993·Granted Feb 6, 1996·2 cites·4 claims
- 3533US4081994AMethod of tension stress testing of rubberMITSUBISHI CHEM IND·Filed 1976·Granted Apr 4, 1978·4 cites·1 claims
- 3632US4516804AVehicle body ceiling seal constructionTOYOTA MOTOR CO LTD·Filed 1983·Granted May 14, 1985·6 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →