Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7562745 | Elevator with an operation space in a center of a machine room | Takashi Ishii, Kazuaki Miyakoshi, Shigeru Takaishi, Hiroshi Sano, Kan Kawasaki +6 more | 2009-07-21 |
| 7413055 | Elevator | Kan Kawasaki, Ikuo Asami, Takashi Ishii, Kazuaki Miyakoshi, Masahiro Kuramitsu +6 more | 2008-08-19 |
| 7383924 | Machine room-less elevator | Kazuhiro Izumi, Kan Kawasaki, Ikuo Asami, Takashi Ishii, Shun Fujimura +2 more | 2008-06-10 |