Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9327809 | Salvage container and salvaging method | Atsushi Shinkai, Kiyoshi Asahina | 2016-05-03 |
| 8377216 | Vacuum processing apparatus and vacuum processing method | Masakazu Okai, Toru Ueno | 2013-02-19 |
| 8171837 | Pressure container | Kiyoshi Asahina, Ryusuke Kitamura, Takao Shirakura | 2012-05-08 |
| 8042446 | Pressure-resistant vessel and blasting facility having the same | Shuzo Fujiwara, Takehiro Matsunaga, Kiyoshi Asahina, Kenji Koide, Katsuo Kurose | 2011-10-25 |