Inventor · disambiguated record
Akira Hiraiwa
Also filed as: HIRAIWA AKIRA · HIRAIWA LEGAL REPRESENTATIVE Y · MANABE HIROYUKI · SUGIMURA TOSHIAKI
13 granted patents·3 pending applications·530 citations·filing 1994–2006
93Inventor score
Top patents by PatentIndex Score
16 records- 0195US6380923B1Full-time wearable information managing device and method for the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Apr 30, 2002·288 cites·19 claims
- 0281US7369991B2Speech recognition system, speech recognition method, speech synthesis system, speech synthesis method, and program product having increased accuracyNTT DOCOMO INC·Filed 2003·Granted May 6, 2008·32 cites·13 claims
- 0379US7680666B2Speech recognition system, speech recognition method, speech synthesis system, speech synthesis method, and program productNTT DOCOMO INC·Filed 2006·Granted Mar 16, 2010·10 cites·7 claims
- 0473US5781661AHandwritting information detecting method and apparatus detachably holding writing toolNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Jul 14, 1998·95 cites·37 claims
- 0566US7627470B2Speaking period detection device, voice recognition processing device, transmission system, signal level control device and speaking period detection methodNTT DOCOMO INC·Filed 2004·Granted Dec 1, 2009·14 cites·9 claims
- 0661US7181763B2Authentication apparatus, authentication system, and authentication methodNTT DOCOMO INC·Filed 2003·Granted Feb 20, 2007·8 cites·3 claims
- 0760USD489076SInternal combustion engineYANMAR CO LTD·Filed 2002·Granted Apr 27, 2004·12 cites·1 claims
- 0858US7092792B2Robot remote manipulation system and remote manipulation deviceNTT DOCOMO INC·Filed 2003·Granted Aug 15, 2006·11 cites·10 claims
- 0957US7433718B2Mobile terminal capable of measuring a biological signalNTT DOCOMO INC·Filed 2003·Granted Oct 7, 2008·16 cites·3 claims
- 1052US7480616B2Information recognition device and information recognition methodNTT DOCOMO INC·Filed 2003·Granted Jan 20, 2009·3 cites·9 claims
- 1151US5745599ACharacter recognition methodNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Apr 28, 1998·39 cites·19 claims
- 1250US7216078B2Learning device, mobile communication terminal, information recognition system, and learning methodNTT DOCOMO INC·Filed 2003·Granted May 8, 2007·1 cites·20 claims
- 1349US7418385B2Voice detection deviceNTT DOCOMO INC·Filed 2004·Granted Aug 26, 2008·1 cites·9 claims
- 1445US2005052428A1Display apparatusNTT DOCOMO INC·Filed 2004·Application pending·0 cites
- 1540US2004015094A1Measuring deviceNTT DOCOMO INC·Filed 2003·Application pending·0 cites
- 1640US2005277822A1Electrode deviceNTT DOCOMO INC·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Akira Hiraiwa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →