Inventor
KEITH ALEXANDER F
US9 patents
⚠️ This page may combine multiple inventors who share the name “KEITH ALEXANDER F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
6 patentsUS6141446AOct 31, 2000
Compression and decompression system with reversible wavelets and lossy reconstruction
RICOH KK194 citations99
US7634145B2Dec 15, 2009
Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
RICOH KK52 citations98
US6757437B1Jun 29, 2004
Compression/decompression using reversible embedded wavelets
RICOH KK89 citations98
US6754394B2Jun 22, 2004
Compression and decompression system with reversible wavelets and lossy reconstruction
RICOH KK74 citations98
US7382925B2Jun 3, 2008
Compression and decompression system with reversible wavelets and lossy reconstruction
RICOH KK31 citations92
US6996281B2Feb 7, 2006
Compression and decompression system with reversible wavelets and lossy reconstruction
RICOH KK31 citations92
RICOH CORP
3 patentsUS5966465AOct 12, 1999
Compression/decompression using reversible embedded wavelets
RICOH CORP226 citations99
US5881176AMar 9, 1999
Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
RICOH CORP174 citations99
US7076104B1Jul 11, 2006
Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
RICOH CORP55 citations96