Functional database method and functional data processing method
CA 2042041 A1 · Owner: Yamagata, Mitsuhiko · Inventors: Ryu, Tadamitsu; Yamagata, Mitsuhiko; Matsumoto, Tohru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is the database method and data processing method of an information processing unit which handles multimedia data. The main purpose is to Provide high productivity and flexibility. To achieve this purpose data to be Processed is gathered as ordinary data classified according to its function, and grouped into parts by assigning codes with Procedural meanings to the data segments of the processing data according to their attributes. According to the codes, this invention controls database and Processes the data. - 79 -
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 11, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 2012.
- 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.