Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834033 | Optical disk and optical disk drive device | M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Teruo Furukawa, Junichi Kondo +1 more | 2004-12-21 |
| 6775220 | Optical disk and optical disk drive device | M. C. Rao, Hiroyuki Ohata, Kazuhiko Nakane, Teruo Furukawa, Junichi Kondo +1 more | 2004-08-10 |
| 6745111 | System and method for presenting information to passengers in conveyance | Kiyoyasu Maruyama, Norishige Emoto, Tomonori Ohasi, Tetsuya Sigeeda, Yoichi Masubuchi | 2004-06-01 |