Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6430157 | Communication controlling apparatus | Kazumasa Sonoda, Hiroshi Ishiwata | 2002-08-06 |
| 6343102 | In-station control system and method | Masaki Kira, Noriko Samejima, Yoshio Morita | 2002-01-29 |