Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405564 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Masataka Matsuwaki, Toshiyasu Kawaguchi, Atsushi Tanigaki, Katsuharu Imamaki +2 more | 2002-06-18 |
| RE37514 | Dark gray colored glass | Mizuki Sasage | 2002-01-15 |