Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505645 | Vacuum degassing apparatus, apparatus for producing glassware, and method for producing glassware | Wataru MIYOSHI, Hiroaki Hamamoto, Suguru Kobayashi, Toshiyuki Uematsu | 2016-11-29 |
| 9073772 | Conduit structure for molten glass, vacuum degassing apparatus, vacuum degassing method for molten glass and process for producing glass products employing said conduit structure | Takahiro Nagata, Wataru MIYOSHI, Hajime Itoh, Hiroaki Hamamoto | 2015-07-07 |
| 8136373 | Conduit structure for molten glass and vacuum degassing apparatus using the conduit structure | Motoichi Iga, Hajime Itoh, Kazuhiko Yamada, Masahiro Saitou | 2012-03-20 |
| 7905386 | Method for airtightly joining reinforced platinum hollow tube with platinum flange | Kazuo Hamashima | 2011-03-15 |
| 7819303 | Method for airtightly joining reinforced platinum hollow tube with platinum flange | Kazuo Hamashima | 2010-10-26 |
| 7650764 | Vacuum degassing apparatus for molten glass | Mitsuyoshi Sakai, Hajime Itoh, Rei Kitamura, Atsushi Tanigaki | 2010-01-26 |
| 7007514 | Vacuum degassing apparatus for molten glass | Mitsuyoshi Sakai, Hajime Itoh, Rei Kitamura, Atsushi Tanigaki | 2006-03-07 |
| 6948338 | Vacuum degassing apparatus for molten glass | Mitsuyoshi Sakai, Hajime Itoh | 2005-09-27 |
| 6560996 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Shigekuni Inoue, Yasuharu Hirabara, Atsushi Tanigaki, Mitsuo Sugimoto | 2003-05-13 |
| 6405564 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Masataka Matsuwaki, Toshiyasu Kawaguchi, Takashi Kijima, Atsushi Tanigaki +2 more | 2002-06-18 |
| 6334336 | Vacuum degassing apparatus for molten glass and method for building it | Yusuke Takei, Masataka Matsuwaki, Shigekuni Inoue, Atsushi Tanigaki, Mitsuo Sugimoto | 2002-01-01 |
| 6318126 | Vacuum degassing method for molten glass | Yusuke Takei, Masataka Matsuwaki, Takashi Kijima, Atsushi Tanigaki | 2001-11-20 |
| 6308534 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Shigekuni Inoue, Yasuharu Hirabara, Atsushi Tanigaki, Mitsuo Sugimoto | 2001-10-30 |
| 6119484 | Vacuum degassing apparatus for molten glass | Yusuke Takei, Masataka Matsuwaki, Toshiyasu Kawaguchi, Takashi Kijima, Atsushi Tanigaki +2 more | 2000-09-19 |