Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809298 | Drainage system | Hiromu Okamoto, Ryuichi Nagase, Toshikazu Shigetomi, Morimasa Ishida | 2017-11-07 |
| 9751266 | Repair method of repair target portion, and repair apparatus | Kiwamu Arikawa, Hiroyuki Iseki, Shuhei Muto | 2017-09-05 |