Location History:
- Fort Collins, CO (US) (1998)
- Ft. Collins, CO (US) (2001 - 2015)
- Laporte, CO (US) (2018)
Company Filing History:
15 out of 22 
1 out of 304 
1 out of 3 
Years Active: 1998-2018
Title: The Innovative Contributions of James R Kahn
Introduction
James R Kahn is a notable inventor based in Ft. Collins, Colorado, with a remarkable portfolio of 17 patents. His work primarily focuses on advancements in ion source technology, showcasing his expertise and innovative spirit in the field.
Latest Patents
One of Kahn's latest patents is the "End-hall ion source with enhanced radiation cooling." This invention features an end-Hall ion source that includes an electron emitting cathode, an anode, a reflector, an internal pole piece, an external pole piece, a magnetically permeable path, and a magnetic-field generating means located in the permeable path between the two pole pieces. The design incorporates a thermally conductive cup that encloses the anode and reflector without contact, allowing a cooling fluid to flow through internal passages. The closed end of the cup is strategically placed between the reflector and the internal pole piece, while the opposite end is in direct contact with the external pole piece. The cup is constructed from materials with low microhardness, such as copper or aluminum, enhancing its efficiency.
Career Highlights
Throughout his career, Kahn has made significant contributions to the field of ion sources. His work at Kaufman & Robinson, Inc. has been particularly influential, allowing him to develop and refine his innovative ideas. His extensive experience and dedication to research have positioned him as a key figure in