Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166374 | Magnetic recording medium | Makoto Imakawa, Takehiko Hiruma | 2007-01-23 |
| 6743528 | Magnetic recording medium | Makoto Imakawa, Takehiko Hiruma | 2004-06-01 |
| 6500567 | Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same | Gerardo A. Bertero, Charles Chen, Tu Chen, Tsutomu Yamashita, Makoto Imakawa | 2002-12-31 |
| 6309765 | Magnetic recording medium and process for its production | Makoto Imakawa, Takehiko Hiruma, Kazuhiko Mitarai | 2001-10-30 |
| 6261681 | Magnetic recording medium | Makoto Imakawa, Takehiko Hiruma | 2001-07-17 |
| 6150015 | Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same | Gerardo A. Bertero, Charles Chen, Tu Chen, Tsutomu Yamashita, Makoto Imakawa | 2000-11-21 |
| 5846648 | Magnetic alloy having a structured nucleation layer and method for manufacturing same | Tu Chen, Makoto Imakawa, Kazuhiko Mitarai | 1998-12-08 |