Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637407 | Molten glass conduit structure, and device and method using conduit structure | Kensuke Nagai, Shuji Kabashima | 2017-05-02 |
| 9505645 | Vacuum degassing apparatus, apparatus for producing glassware, and method for producing glassware | Wataru MIYOSHI, Suguru Kobayashi, Toshiyuki Uematsu, Michito Sasaki | 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, Michito Sasaki | 2015-07-07 |
| 8720229 | Vacuum degassing apparatus, apparatus for producing glass products and process for producing glass products | Rei Kitamura, Hironobu Yamamichi, Hajime Itoh, Housaku Yonetsu | 2014-05-13 |