Osamu Ichikawa  Osamu Ichikawa photo       

contact information

Research Staff Member
Tokyo Research Laboratory, Japan
  +81dash3dash3808dash5236

links



2013




SPEECH COLLECTING METHOD, SYSTEM AND PROGRAM PRODUCT
T. Fukuda, O. Ichikawa, M. Nishimura
Japan Patent 5339501



2012


Japan Patent 5156260
T. Fukuda, O. Ichikawa, M. Nishimura

SYSTEM, METHOD AND PROGRAM FOR SPEECH PROCESSING
O. Ichikawa, T. Fukuda, M. Nishimura
Japan Patent 5089295

Virtual space system, method and program
T. Fukuda, O. Ichikawa
US Patent 8,244,800

Method and system for position detection of a sound source
O. Ichikawa, T. Nagano, M. Nishimura
US Patent 8,165,317


2011




2010



TARGET VOICE EXTRACTION METHOD, APPARATUS AND PROGRAM PRODUCT
T. Fukuda, O. Ichikawa, M. Nishimura
US Patent App. 12/955,882

Noise reduction device
O. Ichikawa
US Patent 7,698,133


2009

VOICE ACTIVITY DETECTION SYSTEM, METHOD, AND PROGRAM PRODUCT
T. Fukuda, O. Ichikawa, M. Nishimura
US Patent App. 12/394,631



2008


SPEECH RECORDING METHOD FOR COURT REPORT
M. Nishimura, T. Takiguchi, O. Ichikawa
Japan Patent 4082611


SYSTEM, METHOD AND PROGRAM FOR SPEECH PROCESSING
T. Fukuda, O. Ichikawa, M. Nishimura
US Patent App. 12/200,610


2007



2006



2005

Signal noise reduction
O. Ichikawa
US Patent App. 11/075,519


2004



1999