Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410497 | Electric-resistance-welded steel pipe or tube for hollow stabilizer | Masatoshi Aratani, Kazutoshi Ishikawa, Ryoji Matsui | 2025-09-09 |
| 12264388 | Electric-resistance-welded steel pipe or tube for hollow stabilizer and method of manufacturing same | Ryoji Matsui, Masatoshi Aratani | 2025-04-01 |
| 12037655 | Electric resistance welded steel pipe or tube | Masatoshi Aratani, Ryoji Matsui | 2024-07-16 |