Inventor
Takaaki Ueshima
Inventor
Katsuta, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Bprimary
B66BElevators70%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%
PatentTitleYear
5,892,190'Method and system of controlling elevators and method and apparatus of inputting requests to the control system'19995,307,903'Method and system of controlling elevators and method and apparatus of inputting requests to the control system'19945,239,141'Group management control method and apparatus for an elevator system'19935,010,472'Customer participatory elevator control system'19914,989,694'Elevator group supervisory system'19914,947,965'Group-control method and apparatus for an elevator system with plural cages'19904,852,696'Information device of elevator'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1999Patents assigned to HITACHI LTD (7)· patent assignee history
1989–1999Based in Katsuta, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 1989–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 7 | 1989–1999 |