Inventor · disambiguated record
Ryoichi Oka
Also filed as: OKA RYOICHI
8 granted patents·3 pending applications·119 citations·filing 1993–2019
85Inventor score
Files withGRAPHTEC KK7MEGATORR CORP2GRAPHTEC CORP A CORP DULY ORGANIZED AND EXISTING UNDER THE LAWS OF JAPAN1TYLAN GENERAL K K1
Top patents by PatentIndex Score
11 records- 0182US5413139AThrottle valveTYLAN GENERAL K K·Filed 1993·Granted May 9, 1995·61 cites·19 claims
- 0274US6227236B1Widely variable conductance valveMEGATORR CORP·Filed 2000·Granted May 8, 2001·26 cites·11 claims
- 0372USD720395SCutting plotterGRAPHTEC KK·Filed 2013·Granted Dec 30, 2014·18 cites·1 claims
- 0466US10011034B2Cutting plotterGRAPHTEC CORP A CORP DULY ORGANIZED AND EXISTING UNDER THE LAWS OF JAPAN·Filed 2015·Granted Jul 3, 2018·1 cites·3 claims
- 0557USD802657SRoll feeder for cutting plotterGRAPHTEC KK·Filed 2014·Granted Nov 14, 2017·9 cites·1 claims
- 0651USD956134SCutting plotterGRAPHTEC KK·Filed 2019·Granted Jun 28, 2022·4 cites·1 claims
- 0751US10279503B2Cutting pen, cutting plotter, and blade extension amount control method of cutting plotterGRAPHTEC KK·Filed 2017·Granted May 7, 2019·0 cites·22 claims
- 0839US10173364B2Control method of embossing apparatusGRAPHTEC KK·Filed 2016·Granted Jan 8, 2019·0 cites·3 claims
- 0937US2015273717A1Sheet holderGRAPHTEC KK·Filed 2015·Application pending·0 cites
- 1034US2016243815A1Embossing apparatusGRAPHTEC KK·Filed 2016·Application pending·0 cites
- 1130US2002134441A1Widely variable conductance valveMEGATORR CORP·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →