Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560996 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Shigekuni Inoue, Michito Sasaki, Yasuharu Hirabara, Atsushi Tanigaki | 2003-05-13 |
| 6334336 | Vacuum degassing apparatus for molten glass and method for building it | Yusuke Takei, Michito Sasaki, Masataka Matsuwaki, Shigekuni Inoue, Atsushi Tanigaki | 2002-01-01 |
| 6321572 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Masataka Matsuwaki, Yasuharu Hirabara, Takashi Kijima | 2001-11-27 |
| 6308534 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Shigekuni Inoue, Michito Sasaki, Yasuharu Hirabara, Atsushi Tanigaki | 2001-10-30 |
| 6202445 | Vacuum degassing apparatus for molten glass and method to rise vacuum degassing apparatus temperature | Shigekuni Inoue, Takashi Iketani, Hiroshi Kurata, Yasuharu Hirabara | 2001-03-20 |
| 5667717 | Method of producing cast magnetic soft ferrite | Akihiko Saito | 1997-09-16 |