Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D684678 | Vibration control element for a cooling fan | Takayuki Okada | 2013-06-18 |
| D684679 | Cooling fan for projector | Takayuki Okada | 2013-06-18 |
| D684252 | Vibration control element for a cooling fan | Takayuki Okada | 2013-06-11 |