Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214893 | Method of making a magnetic powder | Kunihiro Tsuganezawa, Teruo Kobayashi, Shigehisa Harada, Yoichi Nishizawa | 1980-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214893 | Method of making a magnetic powder | Kunihiro Tsuganezawa, Teruo Kobayashi, Shigehisa Harada, Yoichi Nishizawa | 1980-07-29 |