Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471498 | Production method of castings and gas-permeable casting mold | Yoshimasa Fujii, Toru Iwanaga | 2019-11-12 |
| 10398078 | Pivot posts and trimmer heads utilizing the same | David B. Skinner, Brian Searfoss, Wen Liu, Jack Yang | 2019-09-03 |
| 10232431 | Production method of castings and gas-permeable casting mold | Yoshimasa Fujii, Toru Iwanaga | 2019-03-19 |
| 10213828 | Method for producing castings, casting apparatus, and gas-blowing nozzle used in casting apparatus | Hiroyuki Watanabe, Toru Iwanaga | 2019-02-26 |