Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009970 | Method for electrically energizing and heating platinum composite tube structure | Yasuharu Hirabara, 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, Yasuharu Hirabara | 2011-05-10 |
| 7762105 | Backup structure for an uprising pipe or downfalling pipe in a vacuum degassing apparatus | Shinji Takeshita, Kazuhiko Ishimura | 2010-07-27 |
| 5851258 | Backup structure for a pipe for feeding a molten substance of high temperature | Hiroshi Ando, Fumiaki Saito, Chikao Tanaka, Shinji Takeshita, Koji Hirasawa +2 more | 1998-12-22 |