Data converter and method thereof
CA 2535741 C · Owner: Tatebayashi, Makoto · Inventors: Usui, Makoto; Tatebayashi, Makoto; Ohmori, Motoji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A data converter (1) capable of reducing a size of the total implementation in a device is a processing apparatus that performs secret converting processing predetermined to input data with 64 bits the data converter including a , finite field polynomial cubing unit (10) data integrating units (11a) to , (11d) (12) and (13), a first converter (14), a second converter (15) a data , splitting unit (16), and a data integrating unit (17). The finite field polynomial cubing unit (10) performs cubing on the 32 bits data, in the , polynomial residue class ring with a value in the finite field GF (28) as a coefficient and respectively outputs data with 32 bits.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed September 28, 2004 and granted November 10, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 28, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 28, 2026.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.