Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491136 | Traction type elevator apparatus | Kiyoshi Kobayashi, Tadashi Munakata, Yasuyuki Wagatsuma, Hisao Yamamoto, Koji Yajima | 2002-12-10 |
| 6488124 | Elevator | Kunio Yasuda, Yoshiaki Fujita, Ikuo Asami, Yasuyuki Wagatsuma, Kiyoshi Kobayashi +5 more | 2002-12-03 |
| 6390243 | Traction type elevator apparatus | Kiyoshi Kobayashi, Tadashi Munakata, Yasuyuki Wagatsuma, Hisao Yamamoto, Koji Yajima | 2002-05-21 |
| 6382360 | Traction type elevator apparatus | Kiyoshi Kobayashi, Tadashi Munakata, Yasuyuki Wagatsuma, Hisao Yamamoto, Koji Yajima | 2002-05-07 |