Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433944 | Master carrier for magnetic transfer and method for transfer | Makoto Nagao, Kazutoshi Katayama | 2002-08-13 |
| 6347016 | Master information carrier, process for producing the carrier, and method and apparatus for recording master information signal on magnetic recording medium by using the carrier | Tatsuaki Ishida, Kiyokazu Tohma, Keizou Miyata, Hiroshi Ryonai | 2002-02-12 |