Inventor · disambiguated record
Osamu Imafuji
Also filed as: IMAFUJI OSAMU
22 granted patents·8 pending applications·838 citations·filing 1996–2022
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD14FLOSFIA INC9MATSUSHITA ELECTRONICS CORP5PANASONIC CORP2
Top patents by PatentIndex Score
30 records- 0197US6069394ASemiconductor substrate, semiconductor device and method of manufacturing the sameMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted May 30, 2000·301 cites·9 claims
- 0295US6420197B1Semiconductor device and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 16, 2002·90 cites·13 claims
- 0394US6274518B1Method for producing a group III nitride compound semiconductor substrateMATSUSHITA ELECTRONICS CORP·Filed 2000·Granted Aug 14, 2001·86 cites·12 claims
- 0491US6815726B2Semiconductor device and semiconductor substrate, and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 9, 2004·44 cites·22 claims
- 0591US6566231B2Method of manufacturing high performance semiconductor device with reduced lattice defects in the active regionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 20, 2003·59 cites·19 claims
- 0690US6617182B2Semiconductor device and semiconductor substrate, and method for fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 9, 2003·85 cites·16 claims
- 0790US6546035B2Semiconductor laser diode array and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 8, 2003·35 cites·19 claims
- 0887US6821805B1Semiconductor device, semiconductor substrate, and manufacture methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 23, 2004·40 cites·29 claims
- 0978US6593159B1Semiconductor substrate, semiconductor device and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 15, 2003·26 cites·11 claims
- 1076US10892597B2Nitride semiconductor laser and nitride semiconductor laser devicePANASONIC CORP·Filed 2017·Granted Jan 12, 2021·2 cites·4 claims
- 1168US7301979B2Semiconductor laserMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 27, 2007·8 cites·7 claims
- 1267US12191372B2Crystal, semiconductor element and semiconductor deviceFLOSFIA INC·Filed 2022·Granted Jan 7, 2025·0 cites·19 claims
- 1363US12453108B2Semiconductor element and semiconductor deviceFLOSFIA INC·Filed 2022·Granted Oct 21, 2025·0 cites·15 claims
- 1461US12159940B2Multilayer structure and semiconductor deviceFLOSFIA INC·Filed 2022·Granted Dec 3, 2024·0 cites·8 claims
- 1560US6150674ASemiconductor device having Alx Ga1-x N (0<x<1) substrateMATSUSHITA ELECTRONICS CORP·Filed 1999·Granted Nov 21, 2000·24 cites·4 claims
- 1657US6888870B2Semiconductor laser and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 3, 2005·5 cites·23 claims
- 1755US2021217869A1Crystal, semiconductor element and semiconductor deviceFLOSFIA INC·Filed 2021·Application pending·0 cites
- 1852US6773948B2Semiconductor light emitting device and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 10, 2004·2 cites·6 claims
- 1952US5751756ASemiconductor laser device for use as a light source of an optical disk or the likeMATSUSHITA ELECTRONICS CORP·Filed 1996·Granted May 12, 1998·17 cites·28 claims
- 2052US2022231174A1Semiconductor element and semiconductor deviceFLOSFIA INC·Filed 2022·Application pending·0 cites
- 2149US2022310798A1Electrically-conductive metal oxide film, semiconductor element and semiconductor deviceFLOSFIA INC·Filed 2022·Application pending·0 cites
- 2249US2022223682A1Semiconductor elementFLOSFIA INC·Filed 2022·Application pending·0 cites
- 2348US2022158000A1Semiconductor device and semiconductor systemFLOSFIA INC·Filed 2022·Application pending·0 cites
- 2446US6909733B2Semiconductor laser deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 21, 2005·1 cites·25 claims
- 2546US6339014B1Method for growing nitride compound semiconductorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jan 15, 2002·11 cites·14 claims
- 2644US10141720B2Nitride semiconductor laser elementPANASONIC CORP·Filed 2018·Granted Nov 27, 2018·0 cites·11 claims
- 2744US2005035359A1Semiconductor device and semiconductor substrate, and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 2843US2021217854A1Semiconductor element and semiconductor deviceFLOSFIA INC·Filed 2021·Application pending·0 cites
- 2938US2001048655A1Optical pick-up and information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Application pending·0 cites
- 3032US6563140B1Semiconductor light emitting device and method for producing the sameMATSUSHITA ELECTRONICS CORP·Filed 1999·Granted May 13, 2003·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →