Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811949 | Optical information recording medium and optical recording method | Michikazu Horie | 2004-11-02 |
| 6738807 | Virtual space communication system for executing communication among computers sharing a virtual space | Kazuki Matsui, Akinori Iwakawa, Naohisa Kawaguchi | 2004-05-18 |
| 6723410 | Optical recording medium | Kenjiro Kiyono, Michikazu Horie | 2004-04-20 |
| 6707783 | Optical recording medium and recording/erasing method | — | 2004-03-16 |
| 6702137 | Plug structure for liquid container | Yasuhiro Kowa, Ikuo Miura | 2004-03-09 |
| D485132 | Thermal bottle | Kunio Hatsumoto | 2004-01-13 |