Inventor · disambiguated record
Masafumi Ozawa
Also filed as: OZAWA MASAFUMI
20 granted patents·375 citations·filing 1990–2016
96Inventor score
Top patents by PatentIndex Score
20 records- 0193US5515393ASemiconductor laser with ZnMgSSe cladding layersSONY CORP·Filed 1993·Granted May 7, 1996·105 cites·30 claims
- 0291US6323059B1Method of fabricating a semiconductor deviceSONY CORP·Filed 2000·Granted Nov 27, 2001·30 cites·18 claims
- 0389US6479325B2Method of stacking semiconductor laser devices in a sub-mount and heatsinkSONY CORP·Filed 2000·Granted Nov 12, 2002·26 cites·12 claims
- 0485US6720581B2Mounting plate for a laser chip in a semiconductor laser deviceSONY CORP·Filed 2002·Granted Apr 13, 2004·19 cites·5 claims
- 0585US6474531B2Semiconductor light-emitting device and method of manufacturing the same and mounting plateSONY CORP·Filed 2000·Granted Nov 5, 2002·32 cites·9 claims
- 0676US6761303B2Semiconductor light-emitting device and method of manufacturing the same and mounting plateSONY CORP·Filed 2002·Granted Jul 13, 2004·18 cites·21 claims
- 0775US6777792B2Semiconductor device and package with high heat radiation effectFiled 2002·Granted Aug 17, 2004·9 cites·12 claims
- 0873US6853042B2Hybrid optical element and photodetector deviceSONY CORP·Filed 2002·Granted Feb 8, 2005·17 cites·12 claims
- 0970US6479889B1Semiconductor device package, and fabrication method thereofSONY CORP·Filed 1999·Granted Nov 12, 2002·39 cites·12 claims
- 1069US7264980B2Method of mounting light emitting elementSONY CORP·Filed 2006·Granted Sep 4, 2007·2 cites·8 claims
- 1165US10625980B2Elevator device that transmits inspection data when inspection operation after earthquake is interruptedMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Apr 21, 2020·1 cites·16 claims
- 1255US5111469ASemiconductor laserSONY CORP·Filed 1990·Granted May 5, 1992·16 cites·5 claims
- 1350US6998279B2Method of mounting light emitting elementSONY CORP·Filed 2002·Granted Feb 14, 2006·2 cites·4 claims
- 1449US5471067ASemiconductor metal contacting structure and a light emitting deviceSONY CORP·Filed 1993·Granted Nov 28, 1995·14 cites·12 claims
- 1549US5420446AOptoelectronic semiconductor laser device having compound semiconductor first and second layersSONY CORP·Filed 1994·Granted May 30, 1995·15 cites·2 claims
- 1648US5373175AOhmic electrode and a light emitting deviceSONY CORP·Filed 1993·Granted Dec 13, 1994·12 cites·7 claims
- 1745US7078730B2Semiconductor light-emitting device and method of manufacturing the same and mounting plateSONY CORP·Filed 2003·Granted Jul 18, 2006·1 cites·20 claims
- 1843US5475237ALight emitting device having first and second cladding layers with an active layer and carrier blocking layer therebetweenSONY CORP·Filed 1995·Granted Dec 12, 1995·9 cites·5 claims
- 1941US10526167B2Restoration information registration device and restoration information registration method for elevatorsMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Jan 7, 2020·0 cites·9 claims
- 2038US5423943ASelective etching method, optoelectronic device and its fabricating methodSONY CORP·Filed 1994·Granted Jun 13, 1995·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →