Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7000432 | Process for producing a glass for cathode ray tubes | Hajime Itoh, Rei Kitamura, Mitsuyoshi Sakai, Keito Sekine | 2006-02-21 |
| 6536238 | Vacuum degassing method for molten glass flow | Toshiyasu Kawaguchi, Koji Obayashi, Yusuke Takei | 2003-03-25 |
| 6332339 | Vacuum degassing method for molten glass flow | Toshiyasu Kawaguchi, Koji Obayashi, Yusuke Takei | 2001-12-25 |
| RE36082 | Vacuum degassing method and its apparatus | Kazuhiko Ishimura, Fumiaki Saito, Masaaki Yoshikawa, Shinsuke Nakajima | 1999-02-09 |
| 5316563 | Vacuum degassing method and its apparatus | Kazuhiko Ishimura, Fumiaki Saito, Masaaki Yoshikawa, Shinsuke Nakajima | 1994-05-31 |