Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7452498 | Pressure-regulating device, transportation vehicle, and pressure difference-controlling unit | Hitoshi Mizuno, Narumi Ichikawa, Kazunori Suzuki, Kenji Noguchi, Tsuyoshi Abe | 2008-11-18 |