Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344991 | Air suction apparatus and air suction method | Hiroyuki Kayama, Ichiro Takei | 2019-07-09 |
| 10222077 | Dust removing apparatus and notification method | Ichiro Takei, Hiroyuki Kayama | 2019-03-05 |
| 10190785 | Dust removing device and method for removing dust | Ichiro Takei, Hiroyuki Kayama | 2019-01-29 |