Inventor
Kenji Utsunomiya
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Bprimary
B66BElevators100%
PatentTitleYear
9,056,749'Control device of elevator door including obstruction detection using equivalent stiffness determination'20158,973,714'Door engagement device for elevator'20158,141,685'Elevator apparatus having vibration damping control'20128,011,478'Elevator vibration damping system having damping control'20117,992,688'Door device for an elevator'20117,909,141'Elevator vibration damping system having damping control'20117,828,122'Vibration damping device for an elevator'20107,007,774'Active horizontal vibration reducing device for elevator'20066,786,304'Guide for elevator'20046,763,917'Elevator vibration reduction apparatus including a dead band filter'20046,474,449'Elevator and guide device for elevator'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2015Patents assigned to MITSUBISHI ELECTRIC CORP (11)· patent assignee history
2002–2015Based in Tokyo, JP· patent location history
2012–2015Patents assigned to UTSUNOMIYA KENJI (3)· patent assignee history
2015Patents assigned to ITO NAOTOSHI (1)· patent assignee history
2015Patents assigned to KIGAWA HIROSHI (1)· patent assignee history
2015Patents assigned to KITAZAWA MASAYA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 11 | 2002–2015 |
| UTSUNOMIYA KENJIself | 3 | 2012–2015 |
| ITO NAOTOSHI | 1 | 2015 |
| KIGAWA HIROSHI | 1 | 2015 |
| KITAZAWA MASAYA | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 11 | 2002–2015 |