Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9290176 | Driving-torque distribution control apparatus of four-wheel drive vehicle | — | 2016-03-22 |
| 7878721 | Light amount adjuster, lens barrel, and image pickup device | Ryuhei Azuma, Atsuya Ishii, Kunioki Takahashi, Kenichi Daikai | 2011-02-01 |