Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11769823 | Semiconductor device and method for manufacturing semiconductor device | Masatoshi Yatago, Katsunori Kondo, Noriyoshi Watanabe | 2023-09-26 |
| 11569373 | Semiconductor device and method for manufacturing semiconductor device | Masatoshi Yatago, Katsunori Kondo, Noriyoshi Watanabe | 2023-01-31 |
| 11472670 | Safety gear for an elevator | Seiji Watanabe, Mitsuhiro Yamazumi, Masayuki Kakio | 2022-10-18 |
| 11230457 | Elevator apparatus | Seiji Watanabe, Kotaro Fukui, Eiji Ando, Shiro Ikeda | 2022-01-25 |
| 11142429 | Emergency stop device for an elevator car | Seiji Watanabe, Kotaro Fukui, Eiji Ando | 2021-10-12 |
| 10807832 | Elevator device | Ken Miyakawa, Seiji Watanabe | 2020-10-20 |
| 10640331 | Elevator safety device and elevator system | Masayuki Kakio, Seiji Watanabe | 2020-05-05 |
| 10526170 | Elevator apparatus | Eiji Ando, Seiji Watanabe, Kotaro Fukui | 2020-01-07 |
| 10093515 | Elevator apparatus | Seiji Watanabe, Kotaro Fukui | 2018-10-09 |
| 9957133 | Elevator apparatus | Seiji Watanabe, Kotaro Fukui | 2018-05-01 |
| 9586792 | Emergency stop device for elevator | — | 2017-03-07 |
| 8247295 | DMOS type semiconductor device and method for manufacturing the same | — | 2012-08-21 |