Inventor · disambiguated record
Tomoya Sugahara
Also filed as: SUGAHARA TOMOYA
4 granted patents·1 pending application·93 citations·filing 2003–2010
75Inventor score
Files withKURAMOTO MASARU1LEE JEONG-SIK1NITRIDE SEMICONDUCTOR CO LTD1NITRIDE SEMICONDUCTORS CO LTD1SANKEN ELECTRIC CO LTD1
Top patents by PatentIndex Score
5 records- 0184US7372066B2Gallium nitride compound semiconductor device and manufacturing methodNITRIDE SEMICONDUCTORS CO LTD·Filed 2003·Granted May 13, 2008·69 cites·9 claims
- 0265US7700940B2Gallium nitride-based compound semiconductor deviceNITRIDE SEMICONDUCTOR CO LTD·Filed 2003·Granted Apr 20, 2010·19 cites·12 claims
- 0355US7186620B2Method of making substrates for nitride semiconductor devicesSANKEN ELECTRIC CO LTD·Filed 2004·Granted Mar 6, 2007·5 cites·13 claims
- 0438US8989228B2Laser diode device, method of driving the same, and laser diode apparatusKURAMOTO MASARU·Filed 2010·Granted Mar 24, 2015·0 cites·20 claims
- 0536US2006068601A1Wafer for compound semiconductor devices, and method of fabricationLEE JEONG-SIK·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →