Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834943 | Liquid discharge head, a substrate for use of such head and a method of manufacture therefor | Hiroaki Mihara, Masahiko Ogawa, Kazuaki Masuda, Masami Ikeda, Ichiro Saito +6 more | 2004-12-28 |
| 6795379 | Magneto-optical medium utilizing domain wall displacement and process of reproduction | — | 2004-09-21 |
| 6765847 | Optical disk and method of magnetically separating tracks of the optical disk | Masahiro Birukawa, Yasumori Hino, Yasushi Hozumi | 2004-07-20 |
| 6707767 | Domain wall displacement magneto-optical storage medium, and method for reproducing thereof | — | 2004-03-16 |
| 6690626 | Optical disk with magnetic layer separated magnetically between tracks and method of magnetically separating tracks of the optical disk | Masahiro Birukawa, Yasushi Hozumi | 2004-02-10 |