Inventor · disambiguated record
Yukitaka Watarai
Also filed as: WATARAI YUKITAKA
9 granted patents·74 citations·filing 1997–2019
85Inventor score
Top patents by PatentIndex Score
9 records- 0194US8382271B2Inkjet ink, ink cartridge, inkjet recording apparatus, inkjet recording method and image forming apparatusRICOH CO LTD·Filed 2009·Granted Feb 26, 2013·17 cites·13 claims
- 0292US6149720AWater-in-oil type emulsion ink for stencil printingTOHOKU RIKO KK·Filed 2000·Granted Nov 21, 2000·44 cites·7 claims
- 0381US9120334B2Image forming apparatus and image forming methodNAGAI KOJI·Filed 2015·Granted Sep 1, 2015·2 cites·12 claims
- 0479US8136916B2Image forming apparatusNEMOTO YUSUKE·Filed 2009·Granted Mar 20, 2012·7 cites·12 claims
- 0577US10647129B2Printing method and set of processing fluid and inkHANAZAWA ATSUFUMI·Filed 2018·Granted May 12, 2020·1 cites·20 claims
- 0666US8187372B2Ink-jet O/W emulsion ink and ink-jet recording method using the sameWATARAI YUKITAKA·Filed 2008·Granted May 29, 2012·2 cites·14 claims
- 0760US11040561B2Ink and processing liquid set, image forming method, and image forming deviceTAMAI TAKASHI·Filed 2019·Granted Jun 22, 2021·0 cites·20 claims
- 0859US11560491B2Liquid composition, device for applying liquid composition, image forming device, and image forming methodRICOH CO LTD·Filed 2019·Granted Jan 24, 2023·0 cites·19 claims
- 0930US5806718ACartridge for storing a viscous substanceTOHOKU RIKO KK·Filed 1997·Granted Sep 15, 1998·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →