Ishikawa; Yuzo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ishikawa; Yuzo.The latest application filed is for "magnetic powder suitable for low-noise media".
- Ishikawa; Yuzo - Okayama JP
- ISHIKAWA; Yuzo - Okayama-shi JP
- Ishikawa; Yuzo - Okazaki-shi JP
- Ishikawa; Yuzo - Tokyo JP
| Patent | Date |
|---|---|
| Magnetic powder suitable for low-noise media Grant 8,110,048 - Masada , et al. February 7, 2 | 2012-02-07 |
| Magnetic Powder Suitable For Low-noise Media App 20110123426 - MASADA; Kenji ; et al. | 2011-05-26 |
| Iron Nitride-Based Magnetic Powder, Process for Producing the Same, and Magnetic Recording Medium App 20090252991 - Ishikawa; Yuzo ; et al. | 2009-10-08 |
| Iron system magnetic powder having high coercive force, and magnetic recording medium using same App 20070111039 - Ishikawa; Yuzo ; et al. | 2007-05-17 |
| Magnetic powder suitable for low-noise media App 20070042230 - Masada; Kenji ; et al. | 2007-02-22 |
| Information reading method Grant 5,220,166 - Takeuchi , et al. June 15, 1 | 1993-06-15 |
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