Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913571 | Apparatus for estimating residual life of blasting vessel, method of estimating residual life, and blasting facility | Kiyoshi Asahina, Toshio Hamada, Takao Shirakura | 2011-03-29 |
| 7866244 | Blasting treatment apparatus | Kiyoshi Asahina | 2011-01-11 |