Inventor
Per Svedberg
Inventor
Vallingby, SE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices45%
H04WWireless communication networks18%
H02HEmergency protective circuit arrangements14%
H03KPulse technique9%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
PatentTitleYear
8,472,421'Method and system for avoiding hanging PDP contexts'20138,472,422'Method and system for avoiding hanging PDP contexts'20138,144,650'Method and arrangement relating to communications network services request activation'20128,077,685'Method and system for avoiding hanging PDP contexts'20115,844,272'Semiconductor component for high voltage'19984,969,023'SOS transistor structure'19904,937,642'Bidirectional MOS switch'19904,694,315'CMOS overvoltage protection circuit utilizing thyristor and majority carrier injecting anti-parallel diode'19874,546,401'Two-pole overcurrent protection device'19854,509,089'Two-pole overcurrent protection device'19854,437,107'Self-igniting thyristor with a plurality of discrete, field controlled zener diodes'19844,331,884'Two-pole overcurrent protection device'19824,282,555'Overvoltage protection means for protecting low power semiconductor components'19814,224,634'Externally controlled semiconductor devices with integral thyristor and bridging FET components'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1987Patents assigned to ASEA AB (7)· patent assignee history
1980–1990Based in Vallingby, SE· patent location history
1990Patents assigned to ASEA BROWN BOVERI (2)· patent assignee history
1998Based in Sp.ang.nga, SE· patent location history
2011–2013Patents assigned to ERICSSON TELEFON AB L M (4)· patent assignee history
2011–2013Patents assigned to SVEDBERG PER (4)· patent assignee history
2011–2013Patents assigned to JOHANSSON KAJ OLOF INGE (3)· patent assignee history
2011–2013Based in Göteborg, SE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASEA AB | 7 | 1980–1987 |
| ERICSSON TELEFON AB L M | 4 | 2011–2013 |
| SVEDBERG PERself | 4 | 2011–2013 |
| JOHANSSON KAJ OLOF INGE | 3 | 2011–2013 |
| ASEA BROWN BOVERI | 2 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Vallingby, SE | 9 | 1980–1990 |
| Göteborg, SE | 4 | 2011–2013 |
| Sp.ang.nga, SE | 1 | 1998 |