Inventor · disambiguated record
Masaaki Okamoto
Also filed as: OKAMOTO MASAAKI
16 granted patents·2 pending applications·115 citations·filing 1981–2022
91Inventor score
Files withOKI ELECTRIC IND CO LTD6MITSUBISHI CHEM CORP3FUJITSU LTD2OKAMOTO MASAAKI2FUJITSU QUANTUM DEVICES LTD1
Top patents by PatentIndex Score
18 records- 0192US11934050B2Method of controlling optical modulator, and optical transmitterSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Mar 19, 2024·2 cites·14 claims
- 0280US10167151B2Medium conveyance device and medium transaction deviceOKI ELECTRIC IND CO LTD·Filed 2016·Granted Jan 1, 2019·3 cites·12 claims
- 0380US5703511ACharge pump circuit, PLL circuit with charge pump circuit, and semiconductor integrated circuit with charge pump circuitFUJITSU LTD·Filed 1996·Granted Dec 30, 1997·51 cites·28 claims
- 0477US10551755B2Electrostatic charge image developing tonerMITSUBISHI CHEM CORP·Filed 2018·Granted Feb 4, 2020·1 cites·18 claims
- 0568US8544845B2Device for containing and discharging paper sheets or the likeOKAMOTO MASAAKI·Filed 2009·Granted Oct 1, 2013·4 cites·5 claims
- 0668USD285330SVehicle for a roller coasterMEISHO TOKUSHU SANGYO CO LTD·Filed 1983·Granted Aug 26, 1986·12 cites·1 claims
- 0767US11194261B2Electrostatic charge image developing tonerMITSUBISHI CHEM CORP·Filed 2019·Granted Dec 7, 2021·0 cites·20 claims
- 0866US8985303B2Conveying direction switching apparatusOKAMOTO MASAAKI·Filed 2012·Granted Mar 24, 2015·2 cites·4 claims
- 0965US9474394B2Drawer device and medium transaction deviceOKI ELECTRIC IND CO LTD·Filed 2013·Granted Oct 25, 2016·4 cites·11 claims
- 1064US9121159B2Construction machine and method for reporting quality of driving operations of construction machineYAMASHITA KOICHI·Filed 2012·Granted Sep 1, 2015·2 cites·4 claims
- 1164US6944252B2Phase comparator circuitFUJITSU QUANTUM DEVICES LTD·Filed 2001·Granted Sep 13, 2005·9 cites·7 claims
- 1258US4376335AMethod of mounting a timing gear on a crankshaftKOMATSU MFG CO LTD·Filed 1981·Granted Mar 15, 1983·17 cites·2 claims
- 1348US10621831B2Medium processing device and medium transaction deviceOKI ELECTRIC IND CO LTD·Filed 2016·Granted Apr 14, 2020·0 cites·20 claims
- 1444US5834962ALevel shift circuit and voltage controlled oscillation circuit using the sameFUJITSU LTD·Filed 1997·Granted Nov 10, 1998·8 cites·4 claims
- 1540US2014159300A1Medium separating and supplying mechanismOKI ELECTRIC IND CO LTD·Filed 2012·Application pending·0 cites
- 1637US10029881B2Medium processing device and medium transaction deviceOKI ELECTRIC IND CO LTD·Filed 2015·Granted Jul 24, 2018·0 cites·8 claims
- 1736US10351373B2Conveyance guide, medium storage box, and medium transaction deviceOKI ELECTRIC IND CO LTD·Filed 2016·Granted Jul 16, 2019·0 cites·9 claims
- 1832US2018039196A1Toner for electrostatic charge image developmentMITSUBISHI CHEM CORP·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masaaki Okamoto 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 →