Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409633 | Mn-Zn Single crystalline ferrite head and a method of making the same | Hisashi Watanabe, Shinichi Aotsu | 1983-10-11 |
| 4285894 | Mn-Zn single crystalline ferrite head and a method of making the same | Hisashi Watanabe, Shinichi Aotsu | 1981-08-25 |