Inventor · disambiguated record
Ryuji Ohta
Also filed as: OHTA RYUJI
12 granted patents·1 pending application·221 citations·filing 1978–2018
90Inventor score
Top patents by PatentIndex Score
13 records- 0198US4602702ABrake apparatusJIDOSHA KIKI CO·Filed 1984·Granted Jul 29, 1986·116 cites·17 claims
- 0295US4623044ABrake apparatusJIDOSHA KIKI CO·Filed 1984·Granted Nov 18, 1986·50 cites·16 claims
- 0387US9904192B2TonerZEON CORP·Filed 2016·Granted Feb 27, 2018·3 cites·1 claims
- 0483US4296680ACoupled shells for vacuum power servo boosterJIDOSHA KIKI CO·Filed 1979·Granted Oct 27, 1981·15 cites·6 claims
- 0577US4292887APower servo boosterJIDOSHA KIKI CO·Filed 1978·Granted Oct 6, 1981·15 cites·9 claims
- 0673US10503089B2Toner for developing electrostatic imagesZEON CORP·Filed 2014·Granted Dec 10, 2019·2 cites·5 claims
- 0762US10571819B2Yellow tonerZEON CORP·Filed 2018·Granted Feb 25, 2020·0 cites·2 claims
- 0861US10372054B2TonerZEON CORP·Filed 2018·Granted Aug 6, 2019·0 cites·2 claims
- 0961US4846047ABrake booster with seal housing and key memberJIDOSHA KIKI CO·Filed 1988·Granted Jul 11, 1989·11 cites·7 claims
- 1055US9557668B2Toner for developing electrostatic imagesZEON CORP·Filed 2014·Granted Jan 31, 2017·0 cites·4 claims
- 1152US2017168408A1Yellow tonerZEON CORP·Filed 2015·Application pending·0 cites
- 1244US4437390APower-servo boosterJIDOSHA KIKI CO·Filed 1981·Granted Mar 20, 1984·5 cites·4 claims
- 1338US4807521AActuator casingJIDOSHA KIKI CO·Filed 1987·Granted Feb 28, 1989·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →