Average Co-Inventor Count = 4.55
ph-index = 10
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Ricoh Company, Ltd. (9 from 28,544 patents)
2. Ricoh Corporation (4 from 233 patents)
3. Other (1 from 832,680 patents)
10 patents:
1. 7634145 - Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
2. 7382925 - Compression and decompression system with reversible wavelets and lossy reconstruction
3. 7076104 - Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
4. 7016545 - Reversible embedded wavelet system implementation
5. 6996281 - Compression and decompression system with reversible wavelets and lossy reconstruction
6. 6757437 - Compression/decompression using reversible embedded wavelets
7. 6754394 - Compression and decompression system with reversible wavelets and lossy reconstruction
8. 6141446 - Compression and decompression system with reversible wavelets and lossy
9. 5966465 - Compression/decompression using reversible embedded wavelets
10. 5881176 - Compression and decompression with wavelet style and binary style