Inventor · disambiguated record
Koji Katsura
Also filed as: KATSURA KOJI
14 granted patents·1 pending application·22 citations·filing 2003–2024
86Inventor score
Top patents by PatentIndex Score
15 records- 0192US12082319B2LED driving device, lighting device, and vehicle-mounted display deviceROHM CO LTD·Filed 2020·Granted Sep 3, 2024·3 cites·13 claims
- 0286US10562438B2Light-emitting element driving semiconductor integrated circuit, light-emitting element driving device, light-emitting device, and vehicleROHM CO LTD·Filed 2017·Granted Feb 18, 2020·7 cites·16 claims
- 0379US7119192B2Stress-induced promoter derived from riceSASAKI CO·Filed 2003·Granted Oct 10, 2006·7 cites·7 claims
- 0475US12069783B2Led driving device, lighting device, and vehicle-mounted display deviceROHM CO LTD·Filed 2023·Granted Aug 20, 2024·0 cites·17 claims
- 0573US11672063B2LED driving device, lighting device, and vehicle-mounted display deviceROHM CO LTD·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 0671US9333914B2LED short-circuit detection circuit, LED drive device, LED lighting device, and vehicleKATSURA KOJI·Filed 2012·Granted May 10, 2016·4 cites·6 claims
- 0770US12446132B2LED driving device, LED light source device, and vehicle onboard display deviceROHM CO LTD·Filed 2023·Granted Oct 14, 2025·0 cites·18 claims
- 0861US2025024573A1Light-emitting element driving deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 0960US11864282B2Light-emitting element driving deviceROHM CO LTD·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 1058US11412594B2LED driving device, lighting device, and vehicle-mounted display deviceROHM CO LTD·Filed 2019·Granted Aug 9, 2022·0 cites·20 claims
- 1156US9226350B2Oscillation circuitROHM CO LTD·Filed 2014·Granted Dec 29, 2015·1 cites·7 claims
- 1252US7339050B2Stress-induced promoter and method of using the sameJAPAN INT RES CT FOR AGRICULTURAL SCIENCES·Filed 2004·Granted Mar 4, 2008·0 cites·12 claims
- 1349US9980331B2Oscillation circuitROHM CO LTD·Filed 2016·Granted May 22, 2018·0 cites·9 claims
- 1448US10820385B2LED drive circuit, LED drive device, and LED drive systemROHM CO LTD·Filed 2018·Granted Oct 27, 2020·0 cites·17 claims
- 1543US10405386B2Light emitting element driving apparatus and driving method thereofROHM CO LTD·Filed 2018·Granted Sep 3, 2019·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →