Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294492 | Acicular magnetic iron oxide particles | Hiroshi Oka, Toshitada Shigemura, Tomohisa Moriya, Katsumi Yamashita, Kazushi Takama +2 more | 1994-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294492 | Acicular magnetic iron oxide particles | Hiroshi Oka, Toshitada Shigemura, Tomohisa Moriya, Katsumi Yamashita, Kazushi Takama +2 more | 1994-03-15 |