Inventor
Michael John Ludgate
Inventor
Basingstoke, GB
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television62%
H04LTransmission of digital information, e.g. telegraphic communication12%
G06FElectric digital data processing8%
G11BInformation storage based on relative movement between record carrier and transducer8%
H03HImpedance networks, e.g. resonant circuits4%
H03MCoding4%
LOC144%
PatentTitleYear
10,645,131Seamless switching between multicast video streams202010,135,891Seamless switching between multicast video streams20189,942,291Seamless switching between multicast video streams20186,373,895'Video data compression with trial encoder'2002D0436959'Storage device enclosure'20016,133,956'Dual standard video signals processor'20006,124,894'Audio signal processor'20006,044,431'Data buffer using dummy data'20006,028,633'Video data compression with trial encoder'20005,926,612'Apparatus for recording data with a multi-level arrangement of error correction coding'19995,892,545'Video compression with code allocation based on image detail'19995,842,171'Audio signal processor'19985,757,973'Compression of image data seperated into frequency component data in a two dimensional spatial frequency domain'19985,684,896'Data compression'19975,543,861'Multichannel video data storage including buffers for reading data at fast rates and supplying data at slower rates'19965,506,687'Digital signal recording and/or reproducing apparatus that evenly distributes field data across tracks'19965,404,166'Variable-length to fixed-length data word reformatting apparatus'19955,384,869'Image processing apparatus'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2002Patents assigned to SONY UK LTD (14)· patent assignee history
1995–2002Based in Basingstoke, GB· patent location history
1996–2020Patents assigned to SONY CORP (15)· patent assignee history
1996–1999Based in Kings Furlong, GB· patent location history
1998Based in Bordon, GB· patent location history
2001Patents assigned to IOMEGA CORP (1)· patent assignee history
2001Based in North Salt Lake, UT, US· patent location history
2018–2020Based in Alresford, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 15 | 1996–2020 |
| SONY UK LTD | 14 | 1995–2002 |
| IOMEGA CORP | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Basingstoke, GB | 11 | 1995–2002 |
| Alresford, GB | 3 | 2018–2020 |
| Kings Furlong, GB | 2 | 1996–1999 |
| North Salt Lake, UT, US | 1 | 2001 |
| Bordon, GB | 1 | 1998 |