Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803001 | Method for making window panel units having in situ extruded frames | Toshikazu Ito | 2004-10-12 |
| 6787085 | Method for making window panel units having in situ extruded frames | Toshikazu Ito | 2004-09-07 |
| 6287406 | Methods for making window panel units having in situ extruded frames | Toshikazu Ito | 2001-09-11 |
| 6106931 | Panel unit | Toshikazu Ito | 2000-08-22 |
| 5603886 | Process of making a panel unit | Toshikazu Ito | 1997-02-18 |
| 5498391 | Process of making a panel unit | Toshikazu Ito | 1996-03-12 |
| 5411696 | Process of making a panel unit | Toshikazu Ito | 1995-05-02 |
| 5183612 | Process and apparatus for manufacturing frame with groove for use with panel | Tosikazu Ito | 1993-02-02 |