Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859811 | Electrical conductor | Kazuo Sawada, Yoshihiro Nakai | 1989-08-22 |
| 4815309 | Method of producing an electrical conductor | Kazuo Sawada, Yoshihiro Nakai | 1989-03-28 |
| 4804153 | Method and apparatus for withdrawing long-sized objects | Kazuo Sawada, Kazuhisa Yamauchi, Saburo Yosimura | 1989-02-14 |