Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10712228 | Blockage diagnosis device | Hiroki Ishikawa, Daijiro Nakamura | 2020-07-14 |
| 10677198 | Blockage detection system and blockage detection method | Masahiro Fujii, Hidenori Sakai, Shuma Yatabe, Daijiro Nakamura | 2020-06-09 |