Inventor · disambiguated record
Shigefusa Chichibu
Also filed as: CHICHIBU SHIGEFUSA
8 granted patents·17 citations·filing 2008–2019
78Inventor score
Files withMITSUBISHI CHEM CORP2SOKO KAGAKU CO LTD2CHICHIBU SHIGEFUSA1NIHON MICRONICS KK1OTAKE HIROTAKA1
Top patents by PatentIndex Score
8 records- 0183US11217726B2Nitride semiconductor ultraviolet light-emitting elementSOKO KAGAKU CO LTD·Filed 2018·Granted Jan 4, 2022·2 cites·11 claims
- 0281US9976229B2Method for producing nitride single crystalMITSUBISHI CHEM CORP·Filed 2014·Granted May 22, 2018·2 cites·21 claims
- 0380US8134180B2Nitride semiconductor device with a vertical channel and method for producing the nitride semiconductor deviceOTAKE HIROTAKA·Filed 2008·Granted Mar 13, 2012·12 cites·16 claims
- 0465US10501865B2Method for producing nitride single crystal using nitrogen-containing solvent, mineralizer having fluorine atom, and raw materialMITSUBISHI CHEM CORP·Filed 2018·Granted Dec 10, 2019·0 cites·22 claims
- 0562US9045821B2Laminate, method for producing same, and functional element using sameCHICHIBU SHIGEFUSA·Filed 2011·Granted Jun 2, 2015·1 cites·28 claims
- 0657US11245113B2Secondary batteryNIHON MICRONICS KK·Filed 2019·Granted Feb 8, 2022·0 cites·19 claims
- 0744US10643849B2Manufacturing method of nitride semiconductor ultraviolet light emitting element, and nitride semiconductor ultraviolet light emitting elementSOKO KAGAKU CO LTD·Filed 2017·Granted May 5, 2020·0 cites·16 claims
- 0841US11746439B2Pressure container for crystal productionTHE JAPAN STEELWORKS LTD·Filed 2018·Granted Sep 5, 2023·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →