Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12087340 | Magnetic recording medium | Minoru Yamaga, Katsunori Maeshima, Masaru Terakawa, Takeshi Takahashi, Tomoe Sato +1 more | 2024-09-10 |
| 11721360 | Magnetic recording medium | Takashi KATAGUCHI, Takeshi Takahashi | 2023-08-08 |
| 11551711 | Cobalt ferrite magnetic powder, method of producing the same, and magnetic recording medium | Masaru Terakawa, Katsunori Maeshima, Takashi KATAGUCHI, Takeshi Takahashi | 2023-01-10 |
| 11183213 | Magnetic recording medium | Takashi KATAGUCHI, Takeshi Takahashi | 2021-11-23 |