Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961196 | Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrier | Tatsuaki Ishida, Ryuji Sugita, Kiyokazu Tohma, Keizou Miyata, Hiroshi Ryonai | 2005-11-01 |