Inventor · disambiguated record
Yasuhiro Sagawa
Also filed as: SAGAWA YASUHIRO
13 granted patents·1 pending application·164 citations·filing 1987–2013
91Inventor score
Top patents by PatentIndex Score
14 records- 0194US7621519B2Sheet conveying apparatus, image reading apparatus, and image forming apparatusRICOH KK·Filed 2006·Granted Nov 24, 2009·22 cites·12 claims
- 0293US4875063AElectrostatic recording apparatusRICOH KK·Filed 1987·Granted Oct 17, 1989·58 cites·11 claims
- 0391US7708276B2Sheet conveying path switching device used in image forming apparatus, and sheet conveying deviceRICOH KK·Filed 2007·Granted May 4, 2010·13 cites·19 claims
- 0484US7992858B2Sheet conveying apparatus, image scanning apparatus, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Aug 9, 2011·9 cites·17 claims
- 0583US4891678AElectrostatic recording apparatus having a cooled and insulated waste toner containerRICOH KK·Filed 1988·Granted Jan 2, 1990·30 cites·5 claims
- 0671US8684350B2Sheet adjusting device, sheet holding receptacle incorporating same, and image forming apparatus incorporating sameSAGAWA YASUHIRO·Filed 2011·Granted Apr 1, 2014·4 cites·7 claims
- 0767US7887051B2Stack alignment device, sheet discharge device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Feb 15, 2011·3 cites·14 claims
- 0865US8585043B2Sheet adjusting device, sheet holding receptacle, image forming mechanism, and image reading mechanismAOYAMA JUMPEI·Filed 2011·Granted Nov 19, 2013·2 cites·13 claims
- 0964US8970858B2Operator guidance system and image forming apparatus incorporating sameAKIYAMA MAMI·Filed 2012·Granted Mar 3, 2015·2 cites·17 claims
- 1064US8695969B2Sheet adjusting device, sheet holding receptacle incorporating same, and image forming apparatus incorporating sameAOYAMA JUMPEI·Filed 2011·Granted Apr 15, 2014·2 cites·18 claims
- 1164US6167230AImage forming apparatus and image transferring device thereforRICOH KK·Filed 1999·Granted Dec 26, 2000·17 cites·6 claims
- 1257US9623726B2Windowpane for vehicles and method for producing sameASAHI GLASS CO LTD·Filed 2013·Granted Apr 18, 2017·1 cites·14 claims
- 1355US8944708B2Sheet conveying device, and image forming apparatus including sameWATASE HIROYUKI·Filed 2007·Granted Feb 3, 2015·1 cites·21 claims
- 1441US2007052164A1Sheet-feeding auxiliary device, image forming device, and image reading deviceWATASE HIROYUKI·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yasuhiro Sagawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →