Inventor
Marcel Wilhelm Rudolf Martin Van Roosmalen
Inventor
Hengelo, NL
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks18%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner18%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1018%
G01CMeasuring distances, levels or bearings9%
G06FElectric digital data processing9%
H01FMagnets9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H10DInorganic electric semiconductor devices9%
PatentTitleYear
10,447,068Power management circuit201910,367,414Switch-mode power supply20198,615,621'Memory management'20136,639,477'Oscillator, transmitter provided with such an oscillator, and use of such a transmitter'20036,124,624'Q inductor with multiple metallization levels'20005,844,301'Balanced integrated semiconductor device operating with a parallel resonator circuit'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2003Patents assigned to ERICSSON TELEFON AB L M (3)· patent assignee history
1998–2003Based in Hengelo, NL· patent location history
2013Patents assigned to LEE CHEE EE (1)· patent assignee history
2013Patents assigned to LIANG LIXIN (1)· patent assignee history
2013Patents assigned to RAZZELL CHARLES (1)· patent assignee history
2013Based in Singapore, SG· patent location history
2019Patents assigned to NXP BV (2)· patent assignee history
2019Based in Wijchen, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ERICSSON TELEFON AB L M | 3 | 1998–2003 |
| NXP BV | 2 | 2019 |
| LEE CHEE EE | 1 | 2013 |
| LIANG LIXIN | 1 | 2013 |
| RAZZELL CHARLES | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hengelo, NL | 3 | 1998–2003 |
| Wijchen, NL | 2 | 2019 |
| Singapore, SG | 1 | 2013 |