Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549496 | Information recording apparatus and information reproducing apparatus | Kazuo Kuroda, Hidehiro Ishii, Jiro Endo | 2003-04-15 |
| 6515950 | Information recording medium, and method and system for reading and writing information thereon | Hidehiro Ishii, Tadashi Noguchi | 2003-02-04 |