Inventor · disambiguated record
Kazuaki Tsutsumi
Also filed as: TSUTSUMI KAZUAKI
10 granted patents·8 pending applications·23 citations·filing 2006–2023
83Inventor score
Top patents by PatentIndex Score
18 records- 0183US8686433B2Light emitting device and light emitting device packageMATSUI NOBUAKI·Filed 2012·Granted Apr 1, 2014·5 cites·19 claims
- 0282US8415682B2Light emitting semiconductor device having an improved outward luminosity efficiency and fabrication method for the light emitting semiconductor deviceNAKANISHI YASUO·Filed 2008·Granted Apr 9, 2013·9 cites·16 claims
- 0381US8053756B2Nitride semiconductor light emitting elementROHM CO LTD·Filed 2006·Granted Nov 8, 2011·9 cites·11 claims
- 0457US10529903B2Light emitting device and light emitting device packageROHM CO LTD·Filed 2017·Granted Jan 7, 2020·0 cites·17 claims
- 0555US9281444B2Light emitting device and light emitting device packageROHM CO LTD·Filed 2014·Granted Mar 8, 2016·0 cites·21 claims
- 0655US2023253526A1Semiconductor light-emitting elementROHM CO LTD·Filed 2023·Application pending·0 cites
- 0753US9991430B2Light emitting device and light emitting device packageROHM CO LTD·Filed 2016·Granted Jun 5, 2018·0 cites·14 claims
- 0845US10263150B2Semiconductor light emitting device capable of increasing luminous efficiency under a low applied currentROHM CO LTD·Filed 2017·Granted Apr 16, 2019·0 cites·41 claims
- 0945US2010102341A1Semiconductor light emitting device and method for manufacturing the sameROHM CO LTD·Filed 2008·Application pending·0 cites
- 1044US2009014839A1Nitride-Based Semiconductor DeviceROHM CO LTD·Filed 2007·Application pending·0 cites
- 1144US2007278474A1Semiconductor light emitting elementROHM CO LTD·Filed 2007·Application pending·0 cites
- 1242US2009206357A1Semiconductor Light Emitting DeviceROHM CO LTD·Filed 2006·Application pending·0 cites
- 1342US2010065812A1Nitride semiconductor light emitting elementROHM CO LTD·Filed 2006·Application pending·0 cites
- 1442US2009179190A1Nitride Semiconductor Light Emitting ElementROHM CO LTD·Filed 2006·Application pending·0 cites
- 1540US2010035410A1Method for Manufacturing InGaNROHM CO LTD·Filed 2006·Application pending·0 cites
- 1637US10497831B2Semiconductor light emitting element and manufacturing method thereofROHM CO LTD·Filed 2017·Granted Dec 3, 2019·0 cites·28 claims
- 1737US9876137B2Semiconductor light emitting deviceROHM CO LTD·Filed 2016·Granted Jan 23, 2018·0 cites·19 claims
- 1833US8222655B2Semiconductor light-emitting device and process for producing the sameTSUTSUMI KAZUAKI·Filed 2007·Granted Jul 17, 2012·0 cites·8 claims
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