Inventor · disambiguated record
Tadashi Yamaura
Also filed as: YAMAURA TADASHI
31 granted patents·465 citations·filing 1986–2016
97Inventor score
Files withMITSUBISHI ELECTRIC CORP17HITACHI LTD4BLACKBERRY LTD2RESEARCH IN MOTION LTD2TASAKI HIROHISA2
Top patents by PatentIndex Score
31 records- 0189US7747441B2Method and apparatus for speech decoding based on a parameter of the adaptive code vectorMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jun 29, 2010·12 cites·2 claims
- 0289US7383177B2Method for speech coding, method for speech decoding and their apparatusesMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Jun 3, 2008·13 cites·4 claims
- 0386US7937267B2Method and apparatus for decodingMITSUBISHI ELECTRIC CORP·Filed 2008·Granted May 3, 2011·9 cites·2 claims
- 0486US7747432B2Method and apparatus for speech decoding by evaluating a noise level based on gain informationMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jun 29, 2010·9 cites·2 claims
- 0586US7742917B2Method and apparatus for speech encoding by evaluating a noise level based on pitch informationMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jun 22, 2010·9 cites·2 claims
- 0686US6052661ASpeech encoding apparatus and speech encoding and decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Apr 18, 2000·129 cites·47 claims
- 0785US5175840AMicrocomputer having a PROM including data security and test circuitryHITACHI LTD·Filed 1991·Granted Dec 29, 1992·107 cites·13 claims
- 0884US8190428B2Method for speech coding, method for speech decoding and their apparatusesYAMAURA TADASHI·Filed 2011·Granted May 29, 2012·6 cites·2 claims
- 0983US7747433B2Method and apparatus for speech encoding by evaluating a noise level based on gain informationMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jun 29, 2010·7 cites·2 claims
- 1082US7363220B2Method for speech coding, method for speech decoding and their apparatusesMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Apr 22, 2008·7 cites·8 claims
- 1175US8688439B2Method for speech coding, method for speech decoding and their apparatusesRESEARCH IN MOTION LTD·Filed 2013·Granted Apr 1, 2014·2 cites·20 claims
- 1274US8352255B2Method for speech coding, method for speech decoding and their apparatusesRESEARCH IN MOTION LTD·Filed 2012·Granted Jan 8, 2013·2 cites·28 claims
- 1372US8447593B2Method for speech coding, method for speech decoding and their apparatusesYAMAURA TADASHI·Filed 2012·Granted May 21, 2013·2 cites·24 claims
- 1470US7092885B1Sound encoding method and sound decoding method, and sound encoding device and sound decoding deviceMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 15, 2006·29 cites·2 claims
- 1570US4860087ASemiconductor device and process for producing the sameHITACHI LTD·Filed 1988·Granted Aug 22, 1989·38 cites·6 claims
- 1669US7047184B1Speech coding apparatus and speech decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 16, 2006·14 cites·14 claims
- 1761US9899022B2Multimodal information processing deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Feb 20, 2018·2 cites·7 claims
- 1858US9852740B2Method for speech coding, method for speech decoding and their apparatusesBLACKBERRY LTD·Filed 2016·Granted Dec 26, 2017·0 cites·14 claims
- 1958US9263025B2Method for speech coding, method for speech decoding and their apparatusesBLACKBERRY LTD·Filed 2014·Granted Feb 16, 2016·0 cites·20 claims
- 2058US6496796B1Voice coding apparatus and voice decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Dec 17, 2002·7 cites·18 claims
- 2154US7454328B2Speech encoding system, and speech encoding methodMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Nov 18, 2008·4 cites·18 claims
- 2254US7006966B2Speech encoding apparatus, speech encoding method, speech decoding apparatus, and speech decoding methodMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Feb 28, 2006·4 cites·18 claims
- 2353US4905142ASemiconductor integrated circuit device with built-in arrangement for memory testingHITACHI LTD·Filed 1988·Granted Feb 27, 1990·16 cites·23 claims
- 2449US10129410B2Echo canceller device and echo cancel methodMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 13, 2018·0 cites·5 claims
- 2549US5724480ASpeech coding apparatus, speech decoding apparatus, speech coding and decoding method and a phase amplitude characteristic extracting apparatus for carrying out the methodMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Mar 3, 1998·25 cites·8 claims
- 2647US4777586ASemiconductor integrated circuit device with built-in arrangement for memory testingHITACHI LTD·Filed 1986·Granted Oct 11, 1988·12 cites·22 claims
- 2745US9716797B2Mobile wireless communication control device and mobile wireless communication systemSUZUKI SHIGEAKI·Filed 2013·Granted Jul 25, 2017·0 cites·13 claims
- 2845US9230536B2Voice synthesizerMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jan 5, 2016·0 cites·6 claims
- 2942USRE43190ESpeech coding apparatus and speech decoding apparatusTASAKI HIROHISA·Filed 2010·Granted Feb 14, 2012·0 cites·18 claims
- 3036USRE43209ESpeech coding apparatus and speech decoding apparatusTASAKI HIROHISA·Filed 2010·Granted Feb 21, 2012·0 cites·18 claims
- 3134US9390718B2Audio signal restoration device and audio signal restoration methodHOSOYA KOSUKE·Filed 2011·Granted Jul 12, 2016·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →