Yohda; Hiroshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yohda; Hiroshi.The latest application filed is for "magnetic recording and reproducing apparatus of helical scan type".
- Yohda; Hiroshi - Hirakata JP
- Yohda; Hiroshi - Osaka JP
| Patent | Date |
|---|---|
| Recording head clogging detection method and its device Grant 6,804,072 - Yohda , et al. October 12, 2 | 2004-10-12 |
| Magnetic recording and reproducing apparatus of helical scan type Grant 6,690,879 - Uchida , et al. February 10, 2 | 2004-02-10 |
| Magnetic recording and reproducing apparatus of helical scan type App 20010031134 - Uchida, Hirofumi ; et al. | 2001-10-18 |
| Multi-track magnetic head having different height head chips Grant 5,065,267 - Yohda November 12, 1 | 1991-11-12 |
| Magnetic head Grant 4,868,698 - Takahashi , et al. September 19, 1 | 1989-09-19 |
| Magnetic head for perpendicular magnetic recording and reproduction Grant 4,745,506 - Nakamura , et al. May 17, 1 | 1988-05-17 |
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