P

Inventor

MAKINO SHOJI

JP23 patents
⚠️ This page may combine multiple inventors who share the name “MAKINO SHOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

15 patents
US6246760B1Jun 12, 2001

Subband echo cancellation method for multichannel audio teleconference and echo canceller using the same

NIPPON TELEGRAPH & TELEPHONE91 citations97
US5761318AJun 2, 1998

Method and apparatus for multi-channel acoustic echo cancellation

NIPPON TELEGRAPH & TELEPHONE103 citations97
US5661813AAug 26, 1997

Method and apparatus for multi-channel acoustic echo cancellation

NIPPON TELEGRAPH & TELEPHONE129 citations97
US5539731AJul 23, 1996

Echo cancelling method and apparatus using fast projection scheme

NIPPON TELEGRAPH & TELEPHONE76 citations96
US5187692AFeb 16, 1993

Acoustic transfer function simulating method and simulator using the same

NIPPON TELEGRAPH & TELEPHONE73 citations96
US7496482B2Feb 24, 2009

Signal separation method, signal separation device and recording medium

NIPPON TELEGRAPH & TELEPHONE24 citations92
US6553122B1Apr 22, 2003

Method and apparatus for multi-channel acoustic echo cancellation and recording medium with the method recorded thereon

NIPPON TELEGRAPH & TELEPHONE22 citations92
US5818945AOct 6, 1998

Subband echo cancellation method using projection algorithm

NIPPON TELEGRAPH & TELEPHONE41 citations92
US5774561AJun 30, 1998

Subband acoustic echo canceller

NIPPON TELEGRAPH & TELEPHONE38 citations92
US5721772AFeb 24, 1998

Subband acoustic echo canceller

NIPPON TELEGRAPH & TELEPHONE53 citations92
US5272695ADec 21, 1993

Subband echo canceller with adjustable coefficients using a series of step sizes

NIPPON TELEGRAPH & TELEPHONE112 citations92
US7647209B2Jan 12, 2010

Signal separating apparatus, signal separating method, signal separating program and recording medium

NIPPON TELEGRAPH & TELEPHONE15 citations83
US7039546B2May 2, 2006

Position information estimation device, method thereof, and program

NIPPON TELEGRAPH & TELEPHONE15 citations83
US5408530AApr 18, 1995

Echo cancelling method and echo canceller using the same

NIPPON TELEGRAPH & TELEPHONE17 citations74
US5602765AFeb 11, 1997

Adaptive transfer function estimating method and estimating device using the same

NIPPON TELEGRAPH & TELEPHONE12 citations73

TEIJIN LTD

7 patents

TEIJIN TECHNO PRODUCTS LTD

1 patent