Inventor · disambiguated record
Takuma Koizumi
Also filed as: KOIZUMI TAKUMA
7 granted patents·1 pending application·27 citations·filing 2005–2017
81Inventor score
Top patents by PatentIndex Score
8 records- 0178US7548351B2Image reading device and image forming apparatusCANON KK·Filed 2006·Granted Jun 16, 2009·5 cites·8 claims
- 0277US8020861B2Sheet conveyance device and image forming apparatusCANON KK·Filed 2007·Granted Sep 20, 2011·6 cites·4 claims
- 0374US8149473B2Image reading apparatusOSHIDA HARUHISA·Filed 2005·Granted Apr 3, 2012·6 cites·21 claims
- 0472US8020862B2Sheet conveyance device, image forming apparatus and image reading apparatusCANON KK·Filed 2007·Granted Sep 20, 2011·4 cites·7 claims
- 0570US8172226B2Sheet conveyance device and image forming apparatusMURAKAMI AYUMU·Filed 2007·Granted May 8, 2012·4 cites·10 claims
- 0667US10221030B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2017·Granted Mar 5, 2019·1 cites·9 claims
- 0758US7857304B2Image forming apparatusCANON KK·Filed 2009·Granted Dec 28, 2010·1 cites·6 claims
- 0836US2017355546A1Sheet conveyance device and image forming apparatusCANON KK·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →