Michael John Ludgate
18Patents
9h-index
18Co-inventors
69Inventor score
Filing activity: Dec 17, 1991 → Oct 15, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5384869A | Image processing apparatus | Electricity | 108 | Expired |
| US5757973A | Compression of image data seperated into frequency component data in a two dimensional spatial frequency domain | Electricity | 51 | Expired |
| US6373895B1 | Video data compression with trial encoder | Electricity | 35 | Expired |
| US5543861A | Multichannel video data storage including buffers for reading data at fast rates and supplying data at slower rates | Electricity | 24 | Expired |
| US5404166A | Variable-length to fixed-length data word reformatting apparatus | Electricity | 22 | Expired |
| USD436959S | Storage device enclosure | General | 15 | Expired |
| US5506687A | Digital signal recording and/or reproducing apparatus that evenly distributes field data across tracks | Electricity | 11 | Expired |
| US5842171A | Audio signal processor | Electricity | 10 | Expired |
| US6044431A | Data buffer using dummy data | Physics | 10 | Expired |
| US5684896A | Data compression | Electricity | 8 | Expired |
| US5926612A | Apparatus for recording data with a multi-level arrangement of error correction coding | Electricity | 6 | Expired |
| US6133956A | Dual standard video signals processor | Electricity | 5 | Expired |
| US5892545A | Video compression with code allocation based on image detail | Electricity | 5 | Expired |
| US6124894A | Audio signal processor | Electricity | 4 | Expired |
| US6028633A | Video data compression with trial encoder | Electricity | 3 | Expired |
| US10645131B2 | Seamless switching between multicast video streams | Electricity | 1 | Active |
| US9942291B2 | Seamless switching between multicast video streams | Electricity | 1 | Active |
| US10135891B2 | Seamless switching between multicast video streams | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.