Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586881 | Light emitting container for high-pressure discharge lamp and manufacturing method thereof | Michio Asai | 2003-07-01 |
| 6027389 | Production of ceramic tubes for metal halide lamps | Michio Asai | 2000-02-22 |
| 5756015 | Method for producing cylindrical ceramic body | Toshio Ohashi | 1998-05-26 |