Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992435 | Air flow meter | Rintaro Minamitani, Keiji Hanzawa | 2011-08-09 |
| 7942053 | Air flow measuring instrument having dust particle diverting structure | Naoki Saito, Takeshi Morino, Yuki OKAMOTO, Keiji Hanzawa, Hiromu Kikawa | 2011-05-17 |