Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405564 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Toshiyasu Kawaguchi, Takashi Kijima, Atsushi Tanigaki, Katsuharu Imamaki +2 more | 2002-06-18 |
| 6334336 | Vacuum degassing apparatus for molten glass and method for building it | Yusuke Takei, Michito Sasaki, Shigekuni Inoue, Atsushi Tanigaki, Mitsuo Sugimoto | 2002-01-01 |
| 6321572 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Yasuharu Hirabara, Takashi Kijima, Mitsuo Sugimoto | 2001-11-27 |
| 6318126 | Vacuum degassing method for molten glass | Yusuke Takei, Michito Sasaki, Takashi Kijima, Atsushi Tanigaki | 2001-11-20 |
| 6119484 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Toshiyasu Kawaguchi, Takashi Kijima, Atsushi Tanigaki, Katsuharu Imamaki +2 more | 2000-09-19 |