Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821869 | Photomask, method of generating resist pattern, and method of fabricating master information carrier | Terumi Yanagi, Nobuyuki Komura, Tatsuaki Ishida | 2004-11-23 |
| 6781777 | Master information carrier and method for manufacturing information recording medium using the same | Hideyuki Hashi, Tatsuaki Ishida | 2004-08-24 |
| 6714367 | Master information medium and method of master information recording | Tatsuaki Ishida, Hiroshi Ryonai, Nobuyuki Komura, Kiyokazu Tohma | 2004-03-30 |