Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7041240 | Method of manufacturing a high pressure discharge lamp vessel | Sugio Miyazawa | 2006-05-09 |
| 6969951 | High pressure discharge vessel for an alumina high-intensity discharge lamp | Sugio Miyazawa | 2005-11-29 |
| 6646374 | Light emitting element with mutually confronting electrodes | Norikazu Niimi | 2003-11-11 |
| 6642656 | Corrosion-resistant alumina member and arc tube for high-intensity discharge lamp | Mitsuru Kurashina | 2003-11-04 |
| 6586881 | Light emitting container for high-pressure discharge lamp and manufacturing method thereof | Sugio Miyazawa | 2003-07-01 |
| 6392345 | High pressure discharge lamp having stopper arranged between tubular member and electrode unit | Norikazu Niimi | 2002-05-21 |
| 6310441 | Display and method for producing the same | Norikazu Niimi | 2001-10-30 |
| 6224449 | Method of forming lead-in seal in high pressure discharge lamps | Norikazu Niimi | 2001-05-01 |
| 6057644 | High pressure discharge lamps with metallizing layer | Norikazu Niimi | 2000-05-02 |
| 6027389 | Production of ceramic tubes for metal halide lamps | Sugio Miyazawa | 2000-02-22 |
| 5961916 | Method of manufacturing a passage tube for passing plasma producing gas | Toshio Ohashi | 1999-10-05 |
| 5814818 | Gas tube for passing plasma generating gases | Toshio Ohashi | 1998-09-29 |
| 5084323 | Ceramic multi-layer wiring substrate and process for preparation thereof | Takahashi Nagasaka, Tadahiko Morimoto | 1992-01-28 |