Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172041 | Machine room-less elevator | Ikuo Asami, Takashi Ishii, Shun Fujimura, Satoshi Takasawa | 2012-05-08 |
| 7562745 | Elevator with an operation space in a center of a machine room | Takashi Ishii, Kazuaki Miyakoshi, Shigeru Takaishi, Hiroshi Sano, Ikuo Asami +6 more | 2009-07-21 |
| 7413055 | Elevator | Ikuo Asami, Takashi Ishii, Kazuaki Miyakoshi, Masahiro Kuramitsu, Kazuhiro Izumi +6 more | 2008-08-19 |
| 7383924 | Machine room-less elevator | Kazuhiro Izumi, Ikuo Asami, Takashi Ishii, Takanori Urata, Shun Fujimura +2 more | 2008-06-10 |
| 7293631 | Machine room-less elevator | Takashi Ishii, Hiroshi Sano | 2007-11-13 |