Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584949 | Wireless detonator, wireless detonation system, and wireless detonation method | Yoji Tasaki, Shinya Tanaka, Kohichi Shimazaki, Kazuhito Watanabe, Michihiro Takayasu | 2020-03-10 |
| 9709373 | Wireless detonation system, wireless detonation method, and detonator and explosive unit used in same | Yoji Tasaki | 2017-07-18 |