Inventor
HIRAIWA AKIRA
JP10 patents
⚠️ This page may combine multiple inventors who share the name “HIRAIWA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTT DOCOMO INC
6 patentsUS7369991B2May 6, 2008
Speech recognition system, speech recognition method, speech synthesis system, speech synthesis method, and program product having increased accuracy
NTT DOCOMO INC32 citations92
US7680666B2Mar 16, 2010
Speech recognition system, speech recognition method, speech synthesis system, speech synthesis method, and program product
NTT DOCOMO INC10 citations83
US7433718B2Oct 7, 2008
Mobile terminal capable of measuring a biological signal
NTT DOCOMO INC16 citations83
US7627470B2Dec 1, 2009
Speaking period detection device, voice recognition processing device, transmission system, signal level control device and speaking period detection method
NTT DOCOMO INC14 citations81
US7480616B2Jan 20, 2009
Information recognition device and information recognition method
NTT DOCOMO INC3 citations62
US7216078B2May 8, 2007
Learning device, mobile communication terminal, information recognition system, and learning method
NTT DOCOMO INC1 citations51
NIPPON TELEGRAPH & TELEPHONE
3 patentsUS6380923B1Apr 30, 2002
Full-time wearable information managing device and method for the same
NIPPON TELEGRAPH & TELEPHONE288 citations98
US5781661AJul 14, 1998
Handwritting information detecting method and apparatus detachably holding writing tool
NIPPON TELEGRAPH & TELEPHONE95 citations97
US5745599AApr 28, 1998
Character recognition method
NIPPON TELEGRAPH & TELEPHONE39 citations91