Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370917 | Quenching method and apparatus for tempering a glass sheet | Yasumasa Kato, Jun Nagata, Satoshi Yoshida | 2002-04-16 |
| 6200665 | Stepped glass sheet | — | 2001-03-13 |
| 6180237 | Tempered glass | Yasumasa Kato, Jun Nagata, Satoshi Yoshida | 2001-01-30 |