Inventor · disambiguated record
Hiroaki Otani
Also filed as: OTANI HIROAKI
13 granted patents·1 pending application·53 citations·filing 1976–2018
87Inventor score
Top patents by PatentIndex Score
14 records- 0169US4575310APropeller shock absorber for marine propulsion deviceSANSHIN KOGYO KK·Filed 1984·Granted Mar 11, 1986·17 cites·15 claims
- 0264US4123748ABurglar alarms utilizing ultrasonic wavesNIPPON PROSENSOR CO LTD·Filed 1976·Granted Oct 31, 1978·19 cites·6 claims
- 0362US10611245B2Power conversion systemTOKAI RYOKAKU TETSUDO KK·Filed 2017·Granted Apr 7, 2020·2 cites·7 claims
- 0456US10814725B2Vehicle controller and electric vehicleTOSHIBA KK·Filed 2018·Granted Oct 27, 2020·0 cites·20 claims
- 0551US9837950B2Vehicle control device and railroad vehicleTOSHIBA KK·Filed 2016·Granted Dec 5, 2017·1 cites·7 claims
- 0647US10005362B2Electric vehicle control deviceTOKAI RYOKAKU TETSUDO KK·Filed 2014·Granted Jun 26, 2018·0 cites·8 claims
- 0747US9555815B2Electric power conversion device, emergency traveling system and railway vehicleTOSHIBA KK·Filed 2014·Granted Jan 31, 2017·0 cites·14 claims
- 0840US10666130B2Electric power conversion systemTOKAI RYOKAKU TETSUDO KK·Filed 2018·Granted May 26, 2020·0 cites·9 claims
- 0940US10259326B2Car control deviceTOSHIBA KK·Filed 2016·Granted Apr 16, 2019·0 cites·4 claims
- 1038US4106003ASignal treatment circuit for burglar alarmsNIPPON PROSENSOR CO LTD·Filed 1976·Granted Aug 8, 1978·6 cites·7 claims
- 1136US2018215284A1Electric car control deviceTOSHIBA KK·Filed 2018·Application pending·0 cites
- 1234US10525838B2Power conversion systemTOKAI RYOKAKU TETSUDO KK·Filed 2017·Granted Jan 7, 2020·0 cites·6 claims
- 1334US4963110AExhaust system for marine propulsionSANSHIN KOGYO KK·Filed 1988·Granted Oct 16, 1990·8 cites·12 claims
- 1433US10538162B2Power conversion systemTOKAI RYOKAKU TETSUDO KK·Filed 2017·Granted Jan 21, 2020·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Hiroaki Otani 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 →