Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598313 | Working sheath tube and environmental maintenance method for renovating operation of pump-discharge pipe | Hidenori Muramatsu, Hiroaki Suzuki, Toshitake Sakurai, Keiichi Uchiyama | 2020-03-24 |