Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341045 | Disk-shaped recording medium and formatting method thereof wherein historic information including a storage capacity of the disk-shaped recording medium is recorded thereon | Hisakazu Hironaka, Toshiharu Shimizu, Yoshihide Majima, Toshimitsu Itoh | 2002-01-22 |
| 6201657 | Removable type magnetic recording/reproducing device | Toshiharu Shimizu, Yoshihide Majima, Toshimitsu Itoh | 2001-03-13 |
| 6067201 | Disk protection method for removable magnetic recording/reproducing device | Toshiharu Shimizu, Yoshihide Majima, Toshimitsu Itoh | 2000-05-23 |
| 6034838 | Magnetic recording/reproducing device with an improved carriage location detector | Toshiharu Shimizu, Yoshihide Majima | 2000-03-07 |
| 5998947 | Method capable of surely chucking a FD inserted in a high-density type FDD | Toshiharu Shimizu, Yoshihide Majima, Toshimitsu Itoh | 1999-12-07 |