Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912234 | Optical pickup apparatus and laser diode chip | Hirokatsu Nagatake, Aki Yoshioka, Mitsutoshi Sugano, Ko Ishii, Makoto Kawamura +2 more | 2005-06-28 |
| 6893702 | Magnetic recording medium substrate, method of producing the same, and method of evaluating magnetic recording medium | — | 2005-05-17 |