Inventor · disambiguated record
Junshin Sakamoto
Also filed as: SAKAMOTO JUNSHIN
18 granted patents·2 pending applications·156 citations·filing 1984–2017
93Inventor score
Files withHITACHI KOKI KK7SAKAMOTO JUNSHIN4RICOH PRINTING SYS LTD3HITACHI LTD2HITACHI PRINTING SOLUTIONS LTD1
Top patents by PatentIndex Score
20 records- 0185US6836278B2Optical scanning apparatus using a plurality of laser beamsHITACHI KOKI KK·Filed 2001·Granted Dec 28, 2004·32 cites·6 claims
- 0284US9026017B2Image forming apparatus including a patch forming unitSAKAMOTO JUNSHIN·Filed 2012·Granted May 5, 2015·4 cites·15 claims
- 0384US7343110B2Color image forming device having a temperature detectorRICOH PRINTING SYS LTD·Filed 2005·Granted Mar 11, 2008·8 cites·11 claims
- 0470US4556831ACircuit arrangement for electrical tool with clutchHITACHI KOKI KK·Filed 1984·Granted Dec 3, 1985·22 cites·10 claims
- 0568US6829265B2Semiconductor laser arrayHITACHI LTD·Filed 2002·Granted Dec 7, 2004·10 cites·7 claims
- 0666US6825457B2Two-dimensional beam writing position detecting device and image forming apparatus using the detecting deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Nov 30, 2004·7 cites·23 claims
- 0766US5434695ADynamic pressure bearing and rotary polygon mirror device with the bearingHITACHI KOKI KK·Filed 1993·Granted Jul 18, 1995·23 cites·17 claims
- 0864US7425975B2Multi-beam image forming apparatusRICOH PRINTING SYS LTD·Filed 2005·Granted Sep 16, 2008·2 cites·12 claims
- 0963US7542496B2Semiconductor laser device, light scanner, and image forming apparatusRICOH KK·Filed 2007·Granted Jun 2, 2009·2 cites·6 claims
- 1062US6243187B1Polygonal mirror deviceHITACHI KOKI KK·Filed 2000·Granted Jun 5, 2001·9 cites·11 claims
- 1157US6657653B2Electric photograph systemHITACHI LTD·Filed 2001·Granted Dec 2, 2003·5 cites·22 claims
- 1250US8320028B2Optical scanning apparatusSAKAMOTO JUNSHIN·Filed 2007·Granted Nov 27, 2012·0 cites·16 claims
- 1347US5903078ARotary polygon mirror motorHITACHI KOKI KK·Filed 1997·Granted May 11, 1999·14 cites·7 claims
- 1445US4836349AClutch type tightening apparatus for allowing free adjustment of tightening forceHITACHI KOKI KK·Filed 1987·Granted Jun 6, 1989·12 cites·6 claims
- 1542US7245841B2Electrophotographic apparatusRICOH PRINTING SYS LTD·Filed 2004·Granted Jul 17, 2007·2 cites·20 claims
- 1640US2004041087A1Multiple beam scanning deviceFiled 2003·Application pending·0 cites
- 1739US9880497B2Image forming device, position shift correction method, and recording mediumSAKAMOTO JUNSHIN·Filed 2017·Granted Jan 30, 2018·0 cites·7 claims
- 1835US2004183890A1Color image forming appartusFiled 2004·Application pending·0 cites
- 1934US5691833ARotary polygon mirror deviceHITACHI KOKI KK·Filed 1996·Granted Nov 25, 1997·4 cites·4 claims
- 2033US9442407B2Apparatus, controller, and method of forming multicolor toner imageSAKAMOTO JUNSHIN·Filed 2015·Granted Sep 13, 2016·0 cites·18 claims
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