Inventor
MATSUZAWA HITOSHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MATSUZAWA HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
5 patentsUS6522753B1Feb 18, 2003
Active noise control method and receiver device
FUJITSU LTD71 citations96
US6704415B1Mar 9, 2004
Echo canceler
FUJITSU LTD35 citations92
US6078881AJun 20, 2000
Speech encoding and decoding method and speech encoding and decoding apparatus
FUJITSU LTD37 citations92
US5909662AJun 1, 1999
Speech processing coder, decoder and command recognizer
FUJITSU LTD23 citations92
US7203326B2Apr 10, 2007
Noise suppressing apparatus
FUJITSU LTD8 citations73
NIKON CORP
5 patentsUS6104544AAug 15, 2000
Exposure apparatus
NIKON CORP37 citations92
US6084723AJul 4, 2000
Exposure apparatus
NIKON CORP31 citations92
US5831770ANov 3, 1998
Projection optical system and exposure apparatus provided therewith
NIKON CORP50 citations92
US5835285ANov 10, 1998
Projection optical system and exposure apparatus using the same
NIKON CORP42 citations91
US5781278AJul 14, 1998
Projection optical system and exposure apparatus with the same
NIKON CORP47 citations91