Inventor · disambiguated record
Ryoji Tsuda
Also filed as: TSUDA RYOJI
11 granted patents·2 pending applications·52 citations·filing 2000–2025
87Inventor score
Top patents by PatentIndex Score
13 records- 0195US12072069B2Method for using white light source, and white light sourceSEOUL SEMICONDUCTOR CO LTD·Filed 2023·Granted Aug 27, 2024·2 cites·26 claims
- 0292US10957826B2White light source including LED and phosphorsTOSHIBA KK·Filed 2018·Granted Mar 23, 2021·9 cites·12 claims
- 0387US10473274B2White light source systemTOSHIBA KK·Filed 2017·Granted Nov 12, 2019·7 cites·12 claims
- 0482US6593985B1Color shutter and color image display apparatusTOSHIBA KK·Filed 2000·Granted Jul 15, 2003·26 cites·15 claims
- 0576US12245445B2White light source including LED and phosphorsSEOUL SEMICONDUCTOR CO LTD·Filed 2023·Granted Mar 4, 2025·0 cites·20 claims
- 0675US2025176328A1White light source including led and phosphorsSEOUL SEMICONDUCTOR CO LTD·Filed 2025·Application pending·0 cites
- 0774US10368408B2Light emitting device and LED light bulbTOSHIBA MATERIALS CO LTD·Filed 2016·Granted Jul 30, 2019·2 cites·14 claims
- 0872US11563155B2White light source including LED and phosphorsSEOUL SEMICONDUCTOR CO LTD·Filed 2021·Granted Jan 24, 2023·0 cites·13 claims
- 0972US10274185B2Lighting deviceTOSHIBA KK·Filed 2016·Granted Apr 30, 2019·2 cites·2 claims
- 1049US10368409B2Light emitting device and LED light bulbTOSHIBA MATERIALS CO LTD·Filed 2017·Granted Jul 30, 2019·0 cites·16 claims
- 1149US10107457B2Lighting apparatusTOSHIBA KK·Filed 2017·Granted Oct 23, 2018·0 cites·12 claims
- 1245USD765275SLight-emitting diode lampTOSHIBA KK·Filed 2015·Granted Aug 30, 2016·4 cites·1 claims
- 1341US2017167666A1Optical element and illumination apparatusTOSHIBA KK·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →