Inventor
YAMAURA TADASHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YAMAURA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
17 patentsUS6052661AApr 18, 2000
Speech encoding apparatus and speech encoding and decoding apparatus
MITSUBISHI ELECTRIC CORP129 citations98
US7092885B1Aug 15, 2006
Sound encoding method and sound decoding method, and sound encoding device and sound decoding device
MITSUBISHI ELECTRIC CORP29 citations96
US7937267B2May 3, 2011
Method and apparatus for decoding
MITSUBISHI ELECTRIC CORP9 citations92
US7747432B2Jun 29, 2010
Method and apparatus for speech decoding by evaluating a noise level based on gain information
MITSUBISHI ELECTRIC CORP9 citations92
US7747441B2Jun 29, 2010
Method and apparatus for speech decoding based on a parameter of the adaptive code vector
MITSUBISHI ELECTRIC CORP12 citations92
US7742917B2Jun 22, 2010
Method and apparatus for speech encoding by evaluating a noise level based on pitch information
MITSUBISHI ELECTRIC CORP9 citations92
US7383177B2Jun 3, 2008
Method for speech coding, method for speech decoding and their apparatuses
MITSUBISHI ELECTRIC CORP13 citations92
US5724480AMar 3, 1998
Speech coding apparatus, speech decoding apparatus, speech coding and decoding method and a phase amplitude characteristic extracting apparatus for carrying out the method
MITSUBISHI ELECTRIC CORP25 citations92
US7047184B1May 16, 2006
Speech coding apparatus and speech decoding apparatus
MITSUBISHI ELECTRIC CORP14 citations84
US7747433B2Jun 29, 2010
Method and apparatus for speech encoding by evaluating a noise level based on gain information
MITSUBISHI ELECTRIC CORP7 citations82
US7363220B2Apr 22, 2008
Method for speech coding, method for speech decoding and their apparatuses
MITSUBISHI ELECTRIC CORP7 citations82
US6496796B1Dec 17, 2002
Voice coding apparatus and voice decoding apparatus
MITSUBISHI ELECTRIC CORP7 citations74
US9899022B2Feb 20, 2018
Multimodal information processing device
MITSUBISHI ELECTRIC CORP2 citations70
US7454328B2Nov 18, 2008
Speech encoding system, and speech encoding method
MITSUBISHI ELECTRIC CORP4 citations63
US7006966B2Feb 28, 2006
Speech encoding apparatus, speech encoding method, speech decoding apparatus, and speech decoding method
MITSUBISHI ELECTRIC CORP4 citations63
US10129410B2Nov 13, 2018
Echo canceller device and echo cancel method
MITSUBISHI ELECTRIC CORP0 citations40
US9230536B2Jan 5, 2016
Voice synthesizer
MITSUBISHI ELECTRIC CORP0 citations39
HITACHI LTD
4 patentsUS5175840ADec 29, 1992
Microcomputer having a PROM including data security and test circuitry
HITACHI LTD107 citations96
US4860087AAug 22, 1989
Semiconductor device and process for producing the same
HITACHI LTD38 citations91
US4905142AFeb 27, 1990
Semiconductor integrated circuit device with built-in arrangement for memory testing
HITACHI LTD16 citations82
US4777586AOct 11, 1988
Semiconductor integrated circuit device with built-in arrangement for memory testing
HITACHI LTD12 citations74