Inventor · disambiguated record
Shigekazu Okada
Also filed as: OKADA SHIGEKAZU
5 granted patents·2 citations·filing 2015–2017
61Inventor score
Technology areasB60L
Files withTOKAI RYOKAKU TETSUDO KK5
Top patents by PatentIndex Score
5 records- 0162US10611245B2Power conversion systemTOKAI RYOKAKU TETSUDO KK·Filed 2017·Granted Apr 7, 2020·2 cites·7 claims
- 0244US11097619B2Current collector monitoring systemTOKAI RYOKAKU TETSUDO KK·Filed 2016·Granted Aug 24, 2021·0 cites·20 claims
- 0343US10343549B2Railway vehicleTOKAI RYOKAKU TETSUDO KK·Filed 2015·Granted Jul 9, 2019·0 cites·4 claims
- 0434US10525838B2Power conversion systemTOKAI RYOKAKU TETSUDO KK·Filed 2017·Granted Jan 7, 2020·0 cites·6 claims
- 0533US10538162B2Power conversion systemTOKAI RYOKAKU TETSUDO KK·Filed 2017·Granted Jan 21, 2020·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →