Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9618311 | Method for blasting object to be treated in pressure vessel | Koichi Hayashi, Kiyoshi Asahina | 2017-04-11 |
| 8171837 | Pressure container | Kiyoshi Asahina, Ryusuke Kitamura, Kenji Tamai | 2012-05-08 |
| 7913571 | Apparatus for estimating residual life of blasting vessel, method of estimating residual life, and blasting facility | Kiyoshi Asahina, Ryusuke Kitamura, Toshio Hamada | 2011-03-29 |