HE

Hiroyuki Ehara

PA Panasonic: 79 patents #93 of 21,108Top 1%
Sumitomo Electric Industries: 25 patents #692 of 21,551Top 4%
Fraunhofer: 9 patents #277 of 4,748Top 6%
NT NTT: 3 patents #1,627 of 4,871Top 35%
DC Dainichi Co.: 1 patents #15 of 33Top 50%
NO Nippon Oil: 1 patents #392 of 773Top 55%
Overall (All Time): #11,009 of 4,157,543Top 1%
114
Patents All Time

Issued Patents All Time

Showing 76–100 of 114 patents

Patent #TitleCo-InventorsDate
7983904 Scalable decoding apparatus and scalable encoding apparatus Masahiro Oshikiri, Koji Yoshida 2011-07-19
7957962 Fixed codebook searching apparatus and fixed codebook searching method Koji Yoshida 2011-06-07
7949521 Fixed codebook searching apparatus and fixed codebook searching method Koji Yoshida 2011-05-24
7904292 Scalable encoding device, scalable decoding device, and method thereof Michiyo Goto, Koji Yoshida, Masahiro Oshikiri 2011-03-08
7895035 Scalable decoding apparatus and method for concealing lost spectral parameters 2011-02-22
7848921 Low-frequency-band component and high-frequency-band audio encoding/decoding apparatus, and communication apparatus thereof 2010-12-07
7848925 Scalable encoding apparatus, scalable decoding apparatus, scalable encoding method, scalable decoding method, communication terminal apparatus, and base station apparatus 2010-12-07
7769584 Encoder, decoder, encoding method, and decoding method Masahiro Oshikiri, Koji Yoshida 2010-08-03
7580834 Fixed sound source vector generation method and fixed sound source codebook Kazutoshi Yasunaga, Kazunori Mano, Yusuke Hiwasaki 2009-08-25
7577567 Multimode speech coding apparatus and decoding apparatus 2009-08-18
7519533 Fixed codebook searching apparatus and fixed codebook searching method Koji Yoshida 2009-04-14
7502735 Speech signal transmission apparatus and method that multiplex and packetize coded information 2009-03-10
7499853 Speech decoder and code error compensation method Koji Yoshida, Masahiro Serizawa, Kazunori Ozawa 2009-03-03
7478042 Speech decoder that detects stationary noise signal regions Kazutoshi Yasunaga, Kazunori Mano, Yusuke Hiwasaki 2009-01-13
7398205 Code excited linear prediction speech decoder and method thereof Kazutoshi Yasunaga, Toshiyuki Morii 2008-07-08
7392179 LPC vector quantization apparatus Kazutoshi Yasunaga, Toshiyuki Morii, Kazunori Mano, Yusuke Hiwasaki 2008-06-24
7373298 Apparatus and method for coding excitation signal 2008-05-13
7289952 Excitation vector generator, speech coder and speech decoder Kazutoshi Yasunaga, Toshiyuki Morii 2007-10-30
7171354 Audio decoder and coding error compensating method Koji Yoshida, Masahiro Serizawa, Kazunori Ozawa 2007-01-30
7167828 Multimode speech coding apparatus and decoding apparatus 2007-01-23
7065338 Method, device and program for coding and decoding acoustic parameter, and method, device and program for coding and decoding sound Kazunori Mano, Yusuke Hiwasaki, Kazutoshi Yasunaga 2006-06-20
6947889 Excitation vector generator and a method for generating an excitation vector including a convolution system Kazutoshi Yasunaga, Toshiyuki Morii 2005-09-20
6928406 Excitation vector generating apparatus and speech coding/decoding apparatus Toshiyuki Morii 2005-08-09
6910008 Excitation vector generator, speech coder and speech decoder Kazutoshi Yasunaga, Toshiyuki Morii 2005-06-21
6804639 Celp voice encoder 2004-10-12