Inventor
Ahmad Zandi
Inventor
Cupertino, CA, US
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding32%
H04NPictorial communication, e.g. television32%
G06FElectric digital data processing25%
G06TImage data processing or generation, in general11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
PatentTitleYear
8,473,907'Computer programming adaptive analysis'20137,634,145'Compression and decompression with wavelet style and binary style including quantization by device-dependent parser'20097,492,955'Method and apparatus for compression using reversible wavelet transforms and an embedded codestream'20097,418,142'Method for compression using reversible embedded wavelets'20087,313,286'Reversible DCT for lossless-lossy compression'20077,215,820'Method and apparatus for compression using reversible wavelet transforms and an embedded codestream'20077,167,592'Method and apparatus for compression using reversible wavelet transforms and an embedded codestream'20077,076,104'Compression and decompression with wavelet style and binary style including quantization by device-dependent parser'20067,068,849'Method and apparatus for compression using reversible wavelet transforms and an embedded codestream'20067,016,545'Reversible embedded wavelet system implementation'20066,873,734'Method and apparatus for compression using reversible wavelet transforms and an embedded codestream'20056,792,155'Reversible DCT for losslesslossy compression'20046,757,437'Compression/decompression using reversible embedded wavelets'20046,466,699'Reversible DCT for losslesslossy compression'20026,222,941'Apparatus for compression using reversible embedded wavelets'20016,219,458'Overlapped reversible transforms for unified lossless/lossy compression'20016,216,145'Overlapped reversible transforms for unified lossless/lossy compression'20016,195,465'Method and apparatus for compression using reversible wavelet transforms and an embedded codestream'20016,195,466'Reversible DCT for lossless-lossy compression'20016,058,215'Reversible DCT for lossless-lossy compression'20006,008,745'Variable length decoding using lookup tables'19996,006,226'Method and system for document image feature extraction'19995,999,656'Overlapped reversible transforms for unified lossless/lossy compression'19995,966,465'Compression/decompression using reversible embedded wavelets'19995,881,176'Compression and decompression with wavelet style and binary style including quantization by device-dependent parser'19995,867,602'Reversible wavelet transform and embedded codestream manipulation'19995,815,097'Method and apparatus for spatially embedded coding'19985,748,786'Apparatus for compression using reversible embedded wavelets'19985,731,988'Method and apparatus for reversible color conversion'19985,710,562'Method and apparatus for compressing arbitrary data'19985,561,421'Access method data compression with system-built generic dictionaries'19965,546,080'Order-preserving, fast-decoding arithmetic coding arithmetic coding and compression method and apparatus'19965,471,207'Compression of palettized images and binarization for bitwise coding of M-ary alphabets therefor'19955,270,712'Sort order preserving method for data storage compression'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1996Patents assigned to IBM (3)· patent assignee history
1993Based in Santa Cruz, CA, US· patent location history
1995–2009Patents assigned to RICOH KK (27)· patent assignee history
1995–2009Patents assigned to RICOH CORP (23)· patent assignee history
1995–2009Based in Cupertino, CA, US· patent location history
2006–2013Based in Morgan Hill, CA, US· patent location history
2013Patents assigned to BRAJE TIMOTHY M (1)· patent assignee history
2013Patents assigned to COVERITY INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 27 | 1995–2009 |
| RICOH CORP | 23 | 1995–2009 |
| IBM | 3 | 1993–1996 |
| BRAJE TIMOTHY M | 1 | 2013 |
| COVERITY INC | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cupertino, California, US | 31 | 1995–2009 |
| Morgan Hill, California, US | 2 | 2006–2013 |
| Santa Cruz, California, US | 1 | 1993 |