Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491136 | Traction type elevator apparatus | Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Yasuyuki Wagatsuma, Koji Yajima | 2002-12-10 |
| 6390243 | Traction type elevator apparatus | Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Yasuyuki Wagatsuma, Koji Yajima | 2002-05-21 |
| 6382360 | Traction type elevator apparatus | Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Yasuyuki Wagatsuma, Koji Yajima | 2002-05-07 |
| 6247557 | Traction type elevator apparatus | Kiyoshi Kobayashi, Tadashi Munakata, Kosei Kamimura, Yasuyuki Wagatsuma, Koji Yajima | 2001-06-19 |