Inventor
SERIZAWA MASAHIRO
JP72 patents
⚠️ This page may combine multiple inventors who share the name “SERIZAWA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
28 patentsUS7555434B2Jun 30, 2009
Audio decoding device, decoding method, and program
NEC CORP121 citations97
US7069212B2Jun 27, 2006
Audio decoding apparatus and method for band expansion with aliasing adjustment
NEC CORP149 citations97
US7058571B2Jun 6, 2006
Audio decoding apparatus and method for band expansion with aliasing suppression
NEC CORP72 citations97
US5778334AJul 7, 1998
Speech coders with speech-mode dependent pitch lag code allocation patterns minimizing pitch predictive distortion
NEC CORP82 citations96
US6581031B1Jun 17, 2003
Speech encoding method and speech encoding system
NEC CORP45 citations93
US5937378AAug 10, 1999
Wideband speech coder and decoder that band divides an input speech signal and performs analysis on the band-divided speech signal
NEC CORP34 citations93
US7272554B2Sep 18, 2007
Reduction of speech quality degradation caused by packet loss
NEC CORP20 citations90
US7941319B2May 10, 2011
Audio decoding apparatus and decoding method and program
NEC CORP11 citations84
US7505899B2Mar 17, 2009
Speech code sequence converting device and method in which coding is performed by two types of speech coding systems
NEC CORP8 citations84
US6101464AAug 8, 2000
Coding and decoding system for speech and musical sound
NEC CORP17 citations84
US5956672ASep 21, 1999
Wide-band speech spectral quantizer
NEC CORP19 citations84
US6532564B1Mar 11, 2003
Encoder for multiplexing blocks of error protected bits with blocks of unprotected bits
NEC CORP8 citations74
US5748839AMay 5, 1998
Quantization of input vectors and without rearrangement of vector elements of a candidate vector
NEC CORP15 citations74
US5687284ANov 11, 1997
Excitation signal encoding method and device capable of encoding with high quality
NEC CORP15 citations74
US5666464ASep 9, 1997
Speech pitch coding system
NEC CORP9 citations74
US5774840AJun 30, 1998
Speech coder using a non-uniform pulse type sparse excitation codebook
NEC CORP8 citations71
US6351490B1Feb 26, 2002
Voice coding apparatus, voice decoding apparatus, and voice coding and decoding system
NEC CORP2 citations63
US6049814AApr 11, 2000
Spectrum feature parameter extracting system based on frequency weight estimation function
NEC CORP4 citations63
US5761632AJun 2, 1998
Vector quantinizer with distance measure calculated by using correlations
NEC CORP3 citations63
US5751900AMay 12, 1998
Speech pitch lag coding apparatus and method
NEC CORP6 citations63
US11290841B2Mar 29, 2022
Information processing apparatus, information processing method, data collection device, and control method
NEC CORP0 citations62
US11228975B2Jan 18, 2022
Service control apparatus, charging management server, service control method, charging information management method, and computer readable medium
NEC CORP0 citations62
US11070986B2Jul 20, 2021
Communication processing system, method, apparatus and control program, for optimizing power consumption
NEC CORP0 citations62
US11006368B2May 11, 2021
Communication processing system, communication processing method, communication processing apparatus, communication terminal, and control methods and control programs thereof
NEC CORP0 citations62
US10985836B2Apr 20, 2021
Communication processing system, communication processing method, base station, and control method and control program thereof
NEC CORP1 citations62
US10841785B2Nov 17, 2020
Core node, radio terminal, communication method, and non-transitory computer readable medium
NEC CORP1 citations62
US6098045AAug 1, 2000
Sound compression/decompression method and system
NEC CORP6 citations62
US11129053B2Sep 21, 2021
Communication system, communication control apparatus, communication control method, and communication program
NEC CORP0 citations61
CANON KK
16 patentsUS7050751B2May 23, 2006
Image forming system with temporary storage trays between sheet storage units and image forming apparatus
CANON KK37 citations93
US5940583AAug 17, 1999
Image forming apparatus
CANON KK19 citations92
US5930001AJul 27, 1999
Copier which rotates an image based on the recognition of an extracted character from various directions
CANON KK39 citations92
US5809183ASep 15, 1998
Method and apparatus for recognizing character information at a variable magnification
CANON KK30 citations92
US7389084B2Jun 17, 2008
Image forming system with temporary storage trays between sheet storage units and image forming apparatus
CANON KK12 citations84
US7380780B2Jun 3, 2008
Sheet supplying apparatus and image forming system
CANON KK11 citations84
US7233410B2Jun 19, 2007
Printer control apparatus and method of controlling the same, printer and method of controlling the same, reader and method of controlling the same, and image forming system
CANON KK13 citations84
US6453133B1Sep 17, 2002
Image process apparatus with automatic setting of proof printing mode
CANON KK18 citations84
US6343197B1Jan 29, 2002
Image formation processing having image rotation function
CANON KK17 citations84
US6169863B1Jan 2, 2001
Image formation apparatus capable of receiving plural jobs
CANON KK16 citations84
US6014459AJan 11, 2000
Image forming apparatus
CANON KK8 citations73
US9104163B2Aug 11, 2015
Image forming apparatus and post-processing apparatus
CANON KK3 citations63
US7699311B2Apr 20, 2010
Sheet discriminating apparatus and image forming apparatus
CANON KK3 citations63
US7593128B2Sep 22, 2009
Printer control apparatus and method of controlling the same, printer and method of controlling the same, reader and method of controlling the same, and image forming system
CANON KK1 citations63
US7286776B2Oct 23, 2007
Color image forming apparatus with vibration control method for controlling the same and control program for implementing the method
CANON KK6 citations63
US7782505B2Aug 24, 2010
Image reading apparatus and control method therefor
CANON KK2 citations62
SERIZAWA MASAHIRO
2 patentsSEKIGUCHI NOBUO
1 patentPANASONIC CORP
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentONO TORU
1 patentShowing the top 50 of 72 patents by PatentIndex Score.