Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9248548 | Drum for a shot blasting apparatus and shot blasting apparatus | Ryo Tatematsu, Mitsuo Ishikawa | 2016-02-02 |
| 9193035 | Shot-blasting machine | Mitsuo Ishikawa, Ryo Tatematsu | 2015-11-24 |