Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252148 | Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same | Masao Shigeta, Ippo Hirai, Tsutomu Choh | 1993-10-12 |
| 5211767 | Soft magnetic alloy, method for making, and magnetic core | Masao Shigeta | 1993-05-18 |
| 5207841 | Soft magnetic powder and magnetic shield composition | Masao Shigeta, Ippo Hirai | 1993-05-04 |