US Patent Issued to HITACHI on June 3 for "Ion source, circular accelerator using same, and particle beam therapy system" (Japanese Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,324,088, issued on June 3, was assigned to HITACHI LTD. (Tokyo).

"Ion source, circular accelerator using same, and particle beam therapy system" was invented by Takayoshi Seki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The ion source includes a microwave power supply provided outside main magnetic poles, a radiofrequency waveguide and an antenna configured to introduce a microwave generated by the microwave power supply to a region to which a magnetic field generated by the main magnetic poles is applied, and a magnetic field generation unit provided inside a hole provided in a part of the main magnetic poles and configured to generate a magne...