Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905436 | Column/beam joint structure | Hideshige Matsuo, Isamu Yamamato, Michio Itoh, Mitsunobu Iwata, Kuniaki Sato +6 more | 1990-03-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905436 | Column/beam joint structure | Hideshige Matsuo, Isamu Yamamato, Michio Itoh, Mitsunobu Iwata, Kuniaki Sato +6 more | 1990-03-06 |