Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788635 | Optical recording medium, optical recording method, optical reproducing method, optical recording device, optical reproducing device, and optical recording/reproducing device | Seiji Kobayashi, Masanobu Yamamoto | 2004-09-07 |
| 6723281 | Metal material for electronic parts, electronic parts, electronic apparatuses, and method of processing metal materials | Takashi Ueno | 2004-04-20 |