Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652973 | Glass-ceramic and reflecting mirror substrate | Atushi Watanabe, Kazuki Ohtoh | 2003-11-25 |
| 6556378 | Tape cassette having lid and slider overlapping portions | Shuichi Ota | 2003-04-29 |