Inventor

SUGIYAMA AKIHIKO

JP113 patents

⚠️ This page may combine multiple inventors who share the name “SUGIYAMA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUGIYAMA AKIHIKO

NEC CORP

Method of identifying an unknown system with a band-splitting adaptive filter and a device thereof

Method and apparatus capable of quickly identifying an unknown system even on occurrence of a plurality of dispersive portions

Multi-channel echo canceling method and apparatus

Method and apparatus for controlling coefficients of adaptive filter

Variable length block coding with changing characteristics of input samples

Decision feedback equalizer with a pattern detector

Method and apparatus for cancelling multi-channel echo

Method and apparatus of cancelling multi-channel echoes

Method and apparatus of canceling echoes in multi-channel

Unknown system identification method by subband adaptive filters and device thereof

Method and an apparatus for unknown system identification

Method of and apparatus for identifying unknown system using adaptive filter

Adaptive filter capable of quickly identifying an unknown system

Interference canceller using tap-weight adaptive filter

Adaptive transform coding by selecting optimum block lengths according to variatons between successive blocks

Speech signal decoding apparatus and method therefor

Signal processing method, signal processing device, and signal processing program

Signal processing system and method for calibrating channel signals supplied from an array of sensors having different operating characteristics

Adaptive array control device, method and program, and adaptive array processing device, method and program

Method and apparatus for noise suppression

Method of and apparatus for identifying unknown system

Method and apparatus capable of quickly identifying an unknown system with a final error reduced

Sampling phase extracting circuit

Signal processing method, signal processing device, and signal processing program

Particular signal cancel method, particular signal cancel device, adaptive filter coefficient update method, adaptive filter coefficient update device, and computer program

Method of cancelling echoes in full-duplex data transmission system

Speech processing system, speech processing method, speech processing program, vehicle including speech processing system on board, and microphone placing method

Signal processing apparatus, signal processing method, and signal processing program

Voice input/output apparatus, hearing aid, voice input/output method, and voice input/output program

SUGIYAMA AKIHIKO

Information processing system, method of processing information, and program for processing information

Information processing system, which adds information to translation and converts it to voice signal, and method of processing information for the same

Signal processing device, signal processing method and signal processing program for noise cancellation

Dereverberation method, apparatus, and program for dereverberation

Noise suppression using integrated frequency-domain signals

Signal processing method, signal processing device, and signal processing program

Laser cutting method

TOSHIBA KK

Air-conditioning apparatus

Air-conditioning system

Fluid compressor with selector valve

Air-conditioning apparatus with an indoor unit incorporating a compressor

Indoor unit for an air-conditioning apparatus

CANON FINETECH INC

Sheet post-processing unit and image forming apparatus

Sheet post-processing unit and image forming apparatus

Sheet processing apparatus and image forming apparatus having the same

Sheet post-processing unit and image forming apparatus

TOKYO SHIBAURA ELECTRIC CO

Air conditioner

Air conditioning apparatus

AMADA HOLDINGS CO LTD

Nozzle

Laser processing machine and laser cutting method

NISCA CORP

Simple and compact automatic document feed device containing a single adjusting unit