Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821869 | Photomask, method of generating resist pattern, and method of fabricating master information carrier | Terumi Yanagi, Nobuyuki Komura, Keizo Miyata | 2004-11-23 |
| 6785070 | Magnetic transcription device | Kouji Taniguchi, Kaoru Matsuoka, Taizou Hamada, Hideyuki Hashi, Yasuaki Ban | 2004-08-31 |
| 6781777 | Master information carrier and method for manufacturing information recording medium using the same | Keizo Miyata, Hideyuki Hashi | 2004-08-24 |
| 6714367 | Master information medium and method of master information recording | Hiroshi Ryonai, Nobuyuki Komura, Keizo Miyata, Kiyokazu Tohma | 2004-03-30 |