Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505645 | Vacuum degassing apparatus, apparatus for producing glassware, and method for producing glassware | Hiroaki Hamamoto, 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, Hajime Itoh, Hiroaki Hamamoto, Michito Sasaki | 2015-07-07 |