Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Field emission type cold-cathode electron gun with focusing electrode

Field emission type cold-cathode electron gun with focusing electrode

US Patent 6452335 · Granted Sep 17, 2002

Estimated economic value: $13,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Multiprojection display system and screen forming method2015
Multiprojection display system and screen forming method2014
Electron tube device mounted with a cold cathode and a method of impressing volt2004
Electron tube device mounted with a cold cathode and a method of impressing volt2003
Electron tube device mounted with a cold cathode and a method of impressing volt2001
Tunable cavity resonator for a multi-cavity klystron1997
Klystron tuning mechanism having means for changing the pitch of an internal thr1995