Password updating apparatus and recording medium used therefor
CA 2257013 A1 · Owner: Ichihara, Masaki · Inventors: Ichihara, Masaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A password updating apparatus includes a current password storage section, a seed data storage section a, password generating section, a new password storage section an access requesting section, and an update requesting section. In the current password storage section a, currently set current password is stored. In the seed data storage section, seed data serving as a seed for generating a password is stored. In the generation data storage section, generation data for generating a password is stored. The password generating section generates a new password from the seed data stored in the seed data storage section in accordance with the generation data stored in the generation data storage …
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 December 24, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 24, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 24, 2020.
- 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.