Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867712 | Connector | Tadahiro Sueyoshi, Masanori Tsuji, Yukio Ohta | 1989-09-19 |
| 4842818 | Method for manufacturing tapered rods | Shozo Abeyama, Makoto Saito | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867712 | Connector | Tadahiro Sueyoshi, Masanori Tsuji, Yukio Ohta | 1989-09-19 |
| 4842818 | Method for manufacturing tapered rods | Shozo Abeyama, Makoto Saito | 1989-06-27 |