Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7965523 | Switching power supply device | Tatsuya Hosotani, Takuji Yokawa | 2011-06-21 |
| 7891644 | Air spring | Isao Watanabe | 2011-02-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7965523 | Switching power supply device | Tatsuya Hosotani, Takuji Yokawa | 2011-06-21 |
| 7891644 | Air spring | Isao Watanabe | 2011-02-22 |