Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992687 | Device for elevator door control based on a detected object | Takaharu Ueda | 2011-08-09 |
| 7950499 | Control apparatus for an elevator responsive to car-mounted position detectors | Ken Okamoto | 2011-05-31 |
| 7918320 | Emergency stop system for elevator | Rikio Kondo, Takaharu Ueda, Hiroshi Kigawa, Ken Okamoto | 2011-04-05 |
| 7823705 | Elevator apparatus control by measuring changes in a physical quantity other than temperature | Takaharu Ueda, Masaya Sakai | 2010-11-02 |
| 7784590 | Elevator operation control device | Seiji Watanabe, Daiki Fukui, Hideki Nishiyama, Hideki Shiozaki | 2010-08-31 |
| 7775326 | Elevator apparatus | Takaharu Ueda | 2010-08-17 |
| 7703578 | Elevator apparatus | Takuo Kugiya, Ken Okamoto, Tatsuo Matsuoka | 2010-04-27 |
| 7540358 | Elevator apparatus including main and auxiliary sensors | Kenichi Okamoto, Hiroshi Kigawa, Tatsuo Matsuoka | 2009-06-02 |
| 7287626 | Buffer device for elevator | Hiroshi Kigawa, Sen Zhao, Chang-Ming Zhu | 2007-10-30 |
| 7228943 | Elevator apparatus with position correction for overspeed detection | Takuo Kugiya, Kenichi Okamoto, Mineo Okada | 2007-06-12 |
| 7124875 | Escalator with high speed inclined section | Manabu Ogura, Joichi Nakamura | 2006-10-24 |
| 7104386 | Sloped part high-speed escalator | Manabu Ogura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2006-09-12 |
| 7007774 | Active horizontal vibration reducing device for elevator | Kenji Utsunomiya, Kenichi Okamoto | 2006-03-07 |
| 6832678 | Escalator with high speed inclined section | Manabu Ogura, Joichi Nakamura | 2004-12-21 |
| 6796416 | High-speed escalator for slope | Manabu Ogura, Joichi Nakamura | 2004-09-28 |
| 6786304 | Guide for elevator | Kenji Utsunomiya, Kenichi Okamoto | 2004-09-07 |
| 6763917 | Elevator vibration reduction apparatus including a dead band filter | Kenji Utsunomiya, Kenichi Okamoto | 2004-07-20 |
| 6591959 | Escalator with high speed inclinded section | Manabu Ogura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2003-07-15 |
| 6591945 | Self propelled elevator | Hiroshi Kigawa, Takenobu Honda | 2003-07-15 |
| 6588573 | Escalator with high speed inclined section | Manabu Ogura, Yasumasa Haruta, Tatsuya Yoshikawa, Shinji Nagaya, Joichi Nakamura | 2003-07-08 |
| 6554107 | Elevator system | Hiroshi Araki | 2003-04-29 |
| 6497380 | Drum winding apparatus | Hiroshi Kigawa, Keigo Fukunaga | 2002-12-24 |
| 6474449 | Elevator and guide device for elevator | Kenji Utsunomiya, Kenichi Okamoto | 2002-11-05 |
| 6345696 | Elevator speed governor | — | 2002-02-12 |
| 6333865 | Power supplying device for plural car elevator | Masahiro Kimata | 2001-12-25 |