Issued Patents 2005
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980380 | Master information carrier and method for manufacturing magnetic disk | Keizo Miyata, Hideyuki Hashi | 2005-12-27 |
| 6961196 | Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier | Ryuji Sugita, Kiyokazu Tohma, Kazunari Yoshimoto, Keizou Miyata, Hiroshi Ryonai | 2005-11-01 |
| 6914735 | Manufacturing method for magnetic recording medium, and master information carrier used therefor | Taizou Hamada, Yasuaki Ban | 2005-07-05 |
| 6909565 | Magnetic transfer method and magnetic transfer apparatus | Hideyuki Hashi, Taizou Hamada, Kiyokazu Tohma | 2005-06-21 |
| 6898032 | Method and apparatus for magnetic printing | Hideyuki Hashi, Taizou Hamada, Kiyokazu Tohma | 2005-05-24 |
| 6858329 | Master disc and method for manufacturing magnetic disc using the same | Taizou Hamada, Hideyuki Hashi, Nobuyuki Komura, Yasuaki Ban, Keizo Miyata +1 more | 2005-02-22 |
| 6858328 | Master information support | Kiyokazu Tohma, Keizo Miyata, Yoriko Takai, Taizou Hamada, Hiroshi Ryonai | 2005-02-22 |
| 6850377 | Master information carrier/magnetic recording medium defect inspection method | Hideyuki Hashi, Taizou Hamada | 2005-02-01 |