Inventor · disambiguated record
Katsumasa Nagahama
Also filed as: NAGAHAMA KATSUMASA
1 granted patent·2 pending applications·76 citations·filing 2002–2011
51Inventor score
Top patents by PatentIndex Score
3 records- 0189US8112272B2Sound source separation device, speech recognition device, mobile telephone, sound source separation method, and programNAGAHAMA KATSUMASA·Filed 2006·Granted Feb 7, 2012·76 cites·13 claims
- 0234US2013142343A1Sound source separation device, sound source separation method and programMATSUI SHINYA·Filed 2011·Application pending·0 cites
- 0333US2005043948A1Speech recognition method remote controller, information terminal, telephone communication terminal and speech recognizerFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →