Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359149 | Superconductive device for helping shield magnetic field | Shoji Seike, Hideki Shimizu | 1994-10-25 |
| 5345427 | Ultrasonic transducer | Yoshihiko Ishida, Yuji Asai | 1994-09-06 |