Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10105958 | Cartridge accommodating apparatus and system provided with the same | Nobumasa TANAKA | 2018-10-23 |
| 10029064 | Sound muffler and oxygen concentration device comprising the same | Katsunori Kuwabara | 2018-07-24 |