Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9533364 | Tapping machine and tap die, and method of detecting overstroke of tap | Nobuhisa Sonoda, Junichi ASAMI | 2017-01-03 |
| 9283632 | Tapping machine and tap die, and method of detecting overstroke of tap | Nobuhisa Sonoda, Junichi ASAMI | 2016-03-15 |
| 8778297 | Sulfur recovery unit and sulfur recovery method | Tatsuo Kamisuki, Hiroyuki Kosasayama, Yasushi Yamada, Mitsuru Kida | 2014-07-15 |