Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654582 | Circuit wafer and TEG test pad electrode | Kazuhiro Kijima | 1997-08-05 |
| 5616019 | Rolling piston type expansion machine | Motonori Futamura, Kazuo Saito, Masao Ozu | 1997-04-01 |