Cancer therapy system
CA 2075247 C · Owner: Ishikawajima-Harima Jukogyo Kabushiki Kaisha · Inventors: Shiozaki, Hiroyuki; Degawa, Sadao; Amano, Takeyasu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a solid-state laser, a YAG laser generates a laser beam with a predetermined wavelength in response to which a titanium-sapphire laser is pumped to generate a laser beam with a predetermined wavelength which is administered through a fiberscope to irradiate focuses, treating or destroying the same.
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 August 4, 1992 and granted November 11, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2014.
- 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.