Inventor
OHGA JURO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OHGA JURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
11 patentsUS6683960B1Jan 27, 2004
Active noise control apparatus
FUJITSU LTD73 citations97
US5146470ASep 8, 1992
Adaptive digital filter including low-pass filter
FUJITSU LTD73 citations96
US5384843AJan 24, 1995
Hands-free telephone set
FUJITSU LTD75 citations93
US5940499AAug 17, 1999
Voice switch used in hands-free communications system
FUJITSU LTD20 citations92
US5638311AJun 10, 1997
Filter coefficient estimation apparatus
FUJITSU LTD29 citations92
US5602926AFeb 11, 1997
Method and apparatus of determining the sound transfer characteristic of an active noise control system
FUJITSU LTD31 citations92
US4908855AMar 13, 1990
Electronic telephone terminal having noise suppression function
FUJITSU LTD25 citations92
US5544201AAug 6, 1996
Signal suppressing apparatus
FUJITSU LTD15 citations74
US5479502ADec 26, 1995
Speaking apparatus having handfree conversation function
FUJITSU LTD18 citations74
US5237562AAug 17, 1993
Echo path transition detection
FUJITSU LTD14 citations74
US5790440AAug 4, 1998
Apparatus for estimating filter coefficients
FUJITSU LTD14 citations73