Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093751 | Carry noise measuring system for magnetic recording medium | Hidetsugu Yuki | 1992-03-03 |
| 4404071 | Method of treating electrolytic solution of copper for purification and reuse thereof | Hideki Abe, Yuzo Asano | 1983-09-13 |