Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D500026 | Optical pickup | Yoshiaki Sato, Atsushi Okuyama | 2004-12-21 |
| 6789095 | File management method, program therefore, recording medium containing the program, and file management apparatus for performing the method | Hideyuki Ishihara, Shigeru Tanaka, Masahiro Okuno, Tomohisa Takaoka | 2004-09-07 |