Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8973714 | Door engagement device for elevator | Kenji Utsunomiya, Masaya Kitazawa, Naotoshi Ito | 2015-03-10 |
| 8807285 | Elevator device and method of inspecting same | Takuo Kugiya, Masunori Shibata, Rikio Kondo | 2014-08-19 |
| 8439168 | Elevator system having brake control | Rikio Kondo | 2013-05-14 |
| 8402731 | Elevator rope | Shinya Naito, Mamoru Terai, Michio Murai, Hiroyuki Nakagawa, Muneaki Mukuda +2 more | 2013-03-26 |
| 8371420 | Elevator system for reducing collision shock | Rikio Kondo | 2013-02-12 |
| 8360210 | Oil buffer for an elevator | — | 2013-01-29 |
| 8336677 | Safety device for elevator and rope slip detection method | Naoyuki Maruyama, Eiji Ando | 2012-12-25 |
| 8297413 | Safety device for elevator and rope slip detection method using drive sheave acceleration | Naoyuki Maruyama, Eiji Ando | 2012-10-30 |
| 8261886 | Safety device for elevator and rope slip detection method | Naoyuki Maruyama, Eiji Ando | 2012-09-11 |
| 7938231 | Elevator apparatus having independent second brake control | Takaharu Ueda, Rikio Kondo | 2011-05-10 |
| 7931127 | Elevator apparatus | Rikio Kondo, Takaharu Ueda | 2011-04-26 |
| 7918320 | Emergency stop system for elevator | Rikio Kondo, Takaharu Ueda, Ken Okamoto, Takashi Yumura | 2011-04-05 |
| 7766128 | Method for inspecting operation of actuator and actuator operation inspector | Toshie Takeuchi, Kenji Shimohata, Tae Hyun Kim, Tatsuo Matsuoka | 2010-08-03 |
| 7753176 | Emergency stop system of elevator | Tsunehiro Higashinaka, Mineo Okada | 2010-07-13 |
| 7686139 | Elevator device | Rikio Kondo, Takaharu Ueda | 2010-03-30 |
| 7677362 | Actuator driving method and actuator driving circuit | Kenji Shimohata, Toshie Takeuchi, Tae Hyun Kim, Tatsuo Matsuoka | 2010-03-16 |
| 7614481 | Elevator apparatus including a safety control portion that detects an abnormality | Kenichi Okamoto, Tatsuo Matsuoka | 2009-11-10 |
| 7604099 | Brake device for elevator | Takaharu Ueda, Kenichi Okamoto | 2009-10-20 |
| 7540358 | Elevator apparatus including main and auxiliary sensors | Kenichi Okamoto, Takashi Yumura, Tatsuo Matsuoka | 2009-06-02 |
| 7287626 | Buffer device for elevator | Takashi Yumura, Sen Zhao, Chang-Ming Zhu | 2007-10-30 |
| 6591945 | Self propelled elevator | Takashi Yumura, Takenobu Honda | 2003-07-15 |
| 6497380 | Drum winding apparatus | Takashi Yumura, Keigo Fukunaga | 2002-12-24 |