Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019206 | Glass manufacturing apparatus and a structural member thereof | Hajime Itoh | 2011-09-13 |
| 8009970 | Method for electrically energizing and heating platinum composite tube structure | Sei Nagano, Hajime Itoh | 2011-08-30 |
| 7941038 | Glass manufacturing apparatus, a structural member thereof and method for heating the structural member by conduction heating | Hajime Itoh, Sei Nagano | 2011-05-10 |
| 6560996 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Shigekuni Inoue, Michito Sasaki, Atsushi Tanigaki, Mitsuo Sugimoto | 2003-05-13 |
| 6321572 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Masataka Matsuwaki, Takashi Kijima, Mitsuo Sugimoto | 2001-11-27 |
| 6308534 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Shigekuni Inoue, Michito Sasaki, Atsushi Tanigaki, Mitsuo Sugimoto | 2001-10-30 |
| 6202445 | Vacuum degassing apparatus for molten glass and method to rise vacuum degassing apparatus temperature | Mitsuo Sugimoto, Shigekuni Inoue, Takashi Iketani, Hiroshi Kurata | 2001-03-20 |