Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8934018 | Multiprojection display system and screen forming method | — | 2015-01-13 |
| 8816937 | Multiprojection display system and screen forming method | — | 2014-08-26 |
| 6756734 | Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device | Hironori Imura, Hideo Makishima | 2004-06-29 |
| 6583567 | Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device | Hironori Imura, Hideo Makishima | 2003-06-24 |
| 6452335 | Field emission type cold-cathode electron gun with focusing electrode | — | 2002-09-17 |
| 6310438 | Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device | Hironori Imura, Hideo Makishima | 2001-10-30 |
| 5646585 | Tunable cavity resonator for a multi-cavity klystron | Wako Suzuki | 1997-07-08 |
| 5422541 | Klystron tuning mechanism having means for changing the pitch of an internal threaded portion | — | 1995-06-06 |