Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9321221 | Continuous preform device for composite stringer | Masatoshi Aijima | 2016-04-26 |
| 5180041 | Current collecting apparatus for transport vehicle | — | 1993-01-19 |
| 5161758 | Connecting system for trolley rails for transport vehicle | — | 1992-11-10 |
| 4284181 | Rigid trolley rail and method for laying the same | — | 1981-08-18 |
| 4246986 | Current collection system for travelling body | — | 1981-01-27 |