Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620612 | Expansible corridor | Takashi Hashida | 1986-11-04 |
| 4348790 | Locking device | Kikuzo Kuramoto | 1982-09-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620612 | Expansible corridor | Takashi Hashida | 1986-11-04 |
| 4348790 | Locking device | Kikuzo Kuramoto | 1982-09-14 |