Inventor

Laurens de Ruijter

Inventor
Hoofddorp, NL

Overview

9→
Patents
2016–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2020Patents assigned to SONION NEDERLAND BV (9)· patent assignee history
2016–2017Based in Haarlem, NL· patent location history
2018–2020Based in Hoofddorp, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONION NEDERLAND BV92016–2020
Locations
LocationPatentsSpan
Hoofddorp, NL62018–2020
Haarlem, NL32016–2017