Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605753 | Magneto-plumbite ferrite particles for magnetic card, process for producing the same, and magnetic card using the same | Shigehisa Yamamoto | 1997-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605753 | Magneto-plumbite ferrite particles for magnetic card, process for producing the same, and magnetic card using the same | Shigehisa Yamamoto | 1997-02-25 |