Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11860438 | Method for manufacturing intermittent connection-type optical fiber tape core wire and intermittent connection-type optical fiber tape core wire | Fumiaki Sato, Fumikazu YOSHIZAWA, Ken Takahashi | 2024-01-02 |
| 10625983 | Landing jamb for elevator | — | 2020-04-21 |
| 9022842 | Elevator apparatus | Makoto Tanishima, Shinji Nakashima, Masaji Iida | 2015-05-05 |
| 9017153 | Elevator air pressure control device | Masaji Iida, Toshiya Suzuki | 2015-04-28 |
| 8490753 | Elevator control apparatus with speed control to alleviate passenger ear block discomfort | — | 2013-07-23 |