Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7104386 | Sloped part high-speed escalator | Manabu Ogura, Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Joichi Nakamura | 2006-09-12 |
| 6591959 | Escalator with high speed inclinded section | Manabu Ogura, Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Joichi Nakamura | 2003-07-15 |
| 6588573 | Escalator with high speed inclined section | Manabu Ogura, Takashi Yumura, Yasumasa Haruta, Tatsuya Yoshikawa, Joichi Nakamura | 2003-07-08 |