Inventor · disambiguated record
Tamotsu Yokoyama
Also filed as: YOKOYAMA TAMOTSU
10 granted patents·13 citations·filing 2013–2019
80Inventor score
Files withKYOSAN ELECTRIC MFG10
Top patents by PatentIndex Score
10 records- 0177US9216749B2Occupancy detection device and occupancy detection methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Dec 22, 2015·7 cites·7 claims
- 0269US9162689B2Estimated train occupancy range determination device, onboard system, and estimated train occupancy range determination methodKYOSAN ELECTRIC MFG·Filed 2013·Granted Oct 20, 2015·4 cites·7 claims
- 0367US10723374B2Train control systemKYOSAN ELECTRIC MFG·Filed 2018·Granted Jul 28, 2020·1 cites·4 claims
- 0467US10562551B2Ground apparatus and ground apparatus system for train platform door opening and closing synchronization through ground apparatus communication networkingKYOSAN ELECTRIC MFG·Filed 2018·Granted Feb 18, 2020·1 cites·11 claims
- 0545US10974747B2On-board system and train occupancy range calculation methodKYOSAN ELECTRIC MFG·Filed 2018·Granted Apr 13, 2021·0 cites·12 claims
- 0645US10875558B2On-rail train management system, ground apparatus, and train management methodKYOSAN ELECTRIC MFG·Filed 2018·Granted Dec 29, 2020·0 cites·4 claims
- 0743US10967888B2On-board apparatus and ground systemKYOSAN ELECTRIC MFG·Filed 2018·Granted Apr 6, 2021·0 cites·7 claims
- 0841US10974745B2On-board system and train occupancy range calculation methodKYOSAN ELECTRIC MFG·Filed 2018·Granted Apr 13, 2021·0 cites·5 claims
- 0941US10513278B2Ground apparatusKYOSAN ELECTRIC MFG·Filed 2018·Granted Dec 24, 2019·0 cites·2 claims
- 1040US11548486B2Onboard system and emergency brake control methodKYOSAN ELECTRIC MFG·Filed 2019·Granted Jan 10, 2023·0 cites·16 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →