Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512590 | Combined steel sheet pile, diaphragm wall, and method of disassembling combined steel sheet pile | Ryosuke Nagatsu, Shigeki Terasaki, Kei Teshima | 2016-12-06 |
| 6580513 | Optical wavelength monitoring system and stabilizing system | — | 2003-06-17 |