Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263515 | Press forming tool and press forming method | — | 2025-04-01 |
| 12233444 | Press forming tool and press forming method | — | 2025-02-25 |
| 12233445 | Press forming method | — | 2025-02-25 |
| 12151274 | Press forming method | — | 2024-11-26 |
| 11376645 | Sheet material press forming method | Akinobu Ishiwatari | 2022-07-05 |
| 10500624 | Press forming method and tool of press forming | Akinobu Ishiwatari, Jiro Hiramoto | 2019-12-10 |