Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338954 | Aluminum can | Norihisa Hirota, Ryozo Shiroishi, Kenichi Takao | 2022-05-24 |
| 11267033 | Mold and method for manufacturing drawn can | Ryozo Shiroishi, Kenichi Takao | 2022-03-08 |