Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591959 | Escalator with high speed inclinded section | Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2003-07-15 |
| 6588573 | Escalator with high speed inclined section | Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2003-07-08 |