Inventor
Jan Huizinga
Inventor
Eindhoven, NL
Overview
Patents· 4 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 transducers29%
A61KPreparations for medical, dental or toiletry purposes14%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%
F25BRefrigeration machines, plants or systems14%
Y02ATechnologies for adaptation to climate change14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
PatentTitleYear
6,500,826'Use of panaverium bromide for preventing cell proliferation and diseases caused thereby in the liver and digestive tract'20024,722,517'Mechanical spring having negative spring stiffness useful in an electroacoustic transducer'19884,619,119'Heat pump comprising a thermally driven liquid pump and liquid pump for use in a heat pump'19864,607,382'Electroacoustic transducer unit with reduced resonant frequency and mechanical spring with negative spring stiffness, preferably used in such a transducer unit'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1988Patents assigned to PHILIPS CORP (3)· patent assignee history
1986–1988Based in Eindhoven, NL· patent location history
1988Patents assigned to DIJKSTRA KEES (1)· patent assignee history
1988Patents assigned to HUIZINGA JAN (1)· patent assignee history
1988Patents assigned to VIDEC BERNARD P (1)· patent assignee history
2002Patents assigned to SOLVAY PHARMA (1)· patent assignee history
2002Based in Ontario, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 3 | 1986–1988 |
| DIJKSTRA KEES | 1 | 1988 |
| HUIZINGA JANself | 1 | 1988 |
| SOLVAY PHARMA | 1 | 2002 |
| VIDEC BERNARD P | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eindhoven, NL | 3 | 1986–1988 |
| Ontario, CA | 1 | 2002 |