Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612291 | Superconductive device for helping shield magnetic field and manufacturing method therefor | Shoji Seike, Hideki Shimizu | 1997-03-18 |
| 5609111 | Returnable framework structure | Nobutoshi Hasegawa, Yoshio Hirota, Sumio Nagase, Hisato Fukuta | 1997-03-11 |