Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10737317 | Core molding method and core molding device | Kazuyuki Tsutsumi | 2020-08-11 |
| 10589345 | Mold manufacturing method | Kazuyuki Tsutsumi | 2020-03-17 |
| 10016807 | Core molding method and core molding device | Kazuyuki Tsutsumi | 2018-07-10 |
| 9862022 | Casting method using lost foam | Kazuyuki Tsutsumi | 2018-01-09 |