Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618040 | Air cleaner | Kazuki Tsuboi, Shinsuke Hirano, Yoshiaki Tatsumi | 2023-04-04 |
| 10737277 | Air cleaner | Yoshiaki Tatsumi, Kazuki Tsuboi | 2020-08-11 |
| 10485889 | Sterilizing case | Mutsumi KUSANO, Yoshiaki Tatsumi, Kazuki Tsuboi, Satomi Koyama, Takeshi Matsuda +1 more | 2019-11-26 |
| 10376606 | Sterilizing sheet device | Satomi Koyama, Yoshiaki Tatsumi, Kazuki Tsuboi, Mutsumi KUSANO, Takeshi Matsuda +1 more | 2019-08-13 |
| 9536709 | Plasma generator | Satomi Koyama, Yoshiaki Tatsumi | 2017-01-03 |
| 8785816 | Three stage power source for electric arc welding | Todd E. Kooken | 2014-07-22 |