Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637407 | Molten glass conduit structure, and device and method using conduit structure | Kensuke Nagai, Hiroaki Hamamoto | 2017-05-02 |
| 9352994 | Method for vacuum-degassing molten glass, apparatus for vacuum-degassing molten glass, process for producing molten glass, apparatus for producing molten glass, process for producing glass product, and apparatus for producing glass product | Terutaka Maehara, Rei Kitamura | 2016-05-31 |
| 7708935 | Float bath bottom refractory brick and process for its production | Kouzou Sakai, Masamichi Yokotani | 2010-05-04 |