Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838438 | Crane and driving system therefor | Kazuo Hatakeyama | 1989-06-13 |
| 4549841 | Container storage shed installation | — | 1985-10-29 |
| 4329632 | Running track control apparatus for trackless moving body | Yutaka Yoshida, Hiroaki Yabu, Yasuo Nabeshima | 1982-05-11 |