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Inventor

Matti Kujala

Inventor
Hyvinkaa, FI

Overview

4→
Patents
1992–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B66Bprimary
B66BElevators80%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers20%
PatentTitleYear
9,860,648'Elevator system and method for implementing a sound system for an elevator'20185,736,692'Remote controller linkage to an elevator system'19985,554,832'Remote controller linkage to an elevator system'19965,141,080'Device and procedure for opening of an elevator'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to KONE ELEVATOR GMBH (1)· patent assignee history
1992–1998Based in Hyvinkaa, FI· patent location history
1996–1998Patents assigned to KONE OY (2)· patent assignee history
2018Patents assigned to KONE CORP (1)· patent assignee history
2018Patents assigned to KUJALA MATTI (1)· patent assignee history
2018Patents assigned to PAHKALA KARI (1)· patent assignee history
2018Based in Riihimaki, FI· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONE OY21996–1998
KONE CORP12018
KONE ELEVATOR GMBH11992
KUJALA MATTIself12018
PAHKALA KARI12018
Locations
LocationPatentsSpan
Hyvinkaa, FI31992–1998
Riihimaki, FI12018