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, Kan Kawasaki, Ikuo Asami +6 more | 2009-07-21 |
| 7413055 | Elevator | Kan Kawasaki, Ikuo Asami, Takashi Ishii, Kazuaki Miyakoshi, Masahiro Kuramitsu +6 more | 2008-08-19 |
| 7293631 | Machine room-less elevator | Takashi Ishii, Kan Kawasaki | 2007-11-13 |