Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780789 | Group managing system for elevator cars | — | 1998-07-14 |
| 5529147 | Apparatus for controlling elevator cars based on car delay | — | 1996-06-25 |
| 5412163 | Elevator control apparatus | — | 1995-05-02 |
| D354984 | Combined ball-point pen and fan | — | 1995-01-31 |
| D354979 | Combined ball-point pen and fan | — | 1995-01-31 |
| 5331121 | Elevator control apparatus | — | 1994-07-19 |
| 5285028 | Group control method and apparatus for elevators for assignment of coincident calls | Yasukazu Umeda, Minoru Nakata, Koji Takeshima, Hidenobu Nakashima | 1994-02-08 |
| 5250766 | Elevator control apparatus using neural network to predict car direction reversal floor | Shiro Hikita | 1993-10-05 |
| D324652 | Digital clock | — | 1992-03-17 |
| 5083640 | Method and apparatus for effecting group management of elevators | — | 1992-01-28 |
| D323064 | Combined tool and accessory holder | — | 1992-01-14 |
| D322860 | Flashlight | — | 1991-12-31 |
| D322331 | Reading lamp | — | 1991-12-10 |
| 5058711 | Group-supervising an elevator system | — | 1991-10-22 |
| 5056629 | Display apparatus for elevator | Yasuhiro Nagata | 1991-10-15 |
| D319911 | Coin case | — | 1991-09-10 |
| 5020642 | Group-supervisory apparatus for elevator system | — | 1991-06-04 |
| D316273 | Combined desk set and holder therefor | — | 1991-04-16 |
| D315349 | Combined radio and clock | — | 1991-03-12 |
| 4982817 | Group supervision apparatus for elevator system | — | 1991-01-08 |
| D313247 | Combined eraser and brush | — | 1990-12-25 |
| 4972926 | Hall information system for elevator | Kenichi Uetani | 1990-11-27 |
| D311994 | Combination tool kit and toy vehicle | — | 1990-11-13 |
| 4965855 | Automobile shaped miniature radio set | — | 1990-10-23 |
| D311350 | Whistle | — | 1990-10-16 |