Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1013156 | Mask filter | — | 2024-01-30 |
| D1013157 | Mask filter | — | 2024-01-30 |
| D1012273 | Filtered mask | — | 2024-01-23 |
| D1012274 | Filtered mask | — | 2024-01-23 |
| 11337866 | Method for manufacturing absorbent body | Yuki Kato, Ryuji Matsunaga, Takuaki Harada, Hiroyuki Iwasa | 2022-05-24 |
| 11207218 | Method for producing absorber and method for producing absorbent article | Yuki Kato, Ryuji Matsunaga, Takuaki Harada, Hiroyuki Iwasa | 2021-12-28 |
| 11191675 | Method for manufacturing absorbent body and device for manufacturing absorbent body | Yuki Kato | 2021-12-07 |
| 9464371 | Fiber stacking device | Ryuji Matsunaga, Hiroshi Maruyama | 2016-10-11 |