P

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 patents
US7555434B2Jun 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 patents
US7050751B2May 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 patents

SEKIGUCHI NOBUO

1 patent

PANASONIC CORP

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

ONO TORU

1 patent

Showing the top 50 of 72 patents by PatentIndex Score.