Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931798 | Electromagnetic anechoic chamber with an inner electromagnetic wave reflection surface and an electromagnetic wave absorption small ball disposed in the chamber | — | 1990-06-05 |
| 4849838 | Large capacity information storage apparatus using a plurality of magnetic disk units | Yoshihiro Ino | 1989-07-18 |