Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7811947 | Optical substrate, light emitting element, display device and manufacturing methods thereof | Koji Shigemura, Tomohisa Gotoh | 2010-10-12 |
| 7785942 | Active matrix organic EL display device and manufacturing method thereof | Yuichi Iketsu | 2010-08-31 |
| 7417251 | Active matrix organic EL display device and manufacturing method thereof | Yuichi Iketsu | 2008-08-26 |
| 7372075 | Optical substrate, light emitting element, display device and manufacturing methods thereof | Koji Shigemura, Tomohisa Gotoh | 2008-05-13 |
| 7057340 | Organic electroluminescence display device | — | 2006-06-06 |
| 6756734 | Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device | Shunji Tsuida, Hideo Makishima | 2004-06-29 |
| 6597121 | Active matrix organic EL display device and method of forming the same | — | 2003-07-22 |
| 6583567 | Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device | Shunji Tsuida, Hideo Makishima | 2003-06-24 |
| 6495953 | Cold cathode electron gun | — | 2002-12-17 |
| 6414421 | Field emission cold cathode | Nobuya Seko, Yoshinori Tomihari | 2002-07-02 |
| 6310438 | Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device | Shunji Tsuida, Hideo Makishima | 2001-10-30 |
| 6294868 | Electron gun for electron tube with cold cathode | Nobuya Seko | 2001-09-25 |
| 6075315 | Field-emission cold cathode having improved insulating characteristic and manufacturing method of the same | Nobuya Seko, Masayuki Yoshiki, Kunihiro Shiota | 2000-06-13 |
| 5994833 | Field emission cold cathode apparatus having a heater for heating emitters to decrease adsorption of a gas into the emitters | Nobuya Seko | 1999-11-30 |
| 5905330 | Field emission cathode with uniform emission | — | 1999-05-18 |
| 5723867 | Field emission cathode having focusing electrode | — | 1998-03-03 |
| 5717279 | Field emission cathode with resistive gate areas and electron gun using same | — | 1998-02-10 |
| 5651898 | Field emission cold cathode and method for manufacturing the same | — | 1997-07-29 |
| 5650688 | Field emission cold cathode element having exposed substrate | Hideo Makishima, Keizo Yamada | 1997-07-22 |
| 5648698 | Field emission cold cathode element having exposed substrate | Hideo Makishima, Keizo Yamada | 1997-07-15 |
| 5635789 | Cold cathode | Hideo Makishima, Keizo Yamada | 1997-06-03 |
| 5585689 | Field-emission cathode having integrated electrical interconnects and electron tube using the same | Hideo Makishima, Yoshinori Tomihari | 1996-12-17 |
| 5559390 | Field emission cold cathode element with locally thickened gate electrode layer | Hideo Makishima, Keizo Yamada | 1996-09-24 |
| 5493173 | Field emission cold cathode and method for manufacturing the same | — | 1996-02-20 |
| 5426351 | Heater coil for electron tube | — | 1995-06-20 |