Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408578 | Method of finishing edge of sheet glass, heat-tempered sheet glass using the method, and fire-resistant construction material using the heat-tempered sheet glass | Keisuke Tanaka, Shigeki Obana | 2002-06-25 |
| 6360499 | Sheet glass attaching construction | — | 2002-03-26 |
| 6344259 | Method of finishing edge of sheet glass, heat-tempered sheet glass using the method, and fire resistant construction material using the heat-tempered sheet glass | Keisuke Tanaka, Shigeki Obana | 2002-02-05 |