Per Ligander
35Patents
5h-index
39Co-inventors
69Inventor score
Filing activity: Jun 25, 1998 → Jun 20, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6690583B1 | Carrier for electronic components | Electricity | 93 | Expired |
| US5977915A | Microstrip structure | Electricity | 15 | Expired |
| US8901719B2 | Transition from a chip to a waveguide port | Electricity | 6 | Active |
| US6552265B1 | Printed board assembly and method of its manufacture | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6459585B1 | Method of producing printed circuit boards and a heat sink arrangement produced in accordance with the method | Electricity | 5 | Expired |
| US6395378B2 | PCB and method for making PCB with thin copper layer | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6230401A | Method and an arrangement in an electronics system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8598961B2 | Waveguide transition for connecting U-shaped surface mounted waveguide parts through a dielectric carrier | Electricity | 4 | Active |
| US7102480B2 | Printed circuit board integrated switch | Electricity | 4 | Expired |
| US6617509B1 | Arrangement relating to conductor carriers and methods for the manufacture of such carriers | Electricity | 3 | Expired |
| US8081044B2 | Surface-mountable waveguide arrangement having a solder contact area with an internal solderstop line | Electricity | 3 | Active |
| US10128556B2 | Transition between a SIW and a waveguide interface | Electricity | 2 | Active |
| US7051430B2 | Method of manufacturing a printed board assembly | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10396853B1 | Surface wave converter | Electricity | 2 | Active |
| US8115565B2 | Dual polarized waveguide feed arrangement with symmetrically tapered structures | Electricity | 1 | Active |
| US9831565B2 | SIW antenna arrangement | Electricity | 1 | Active |
| US9899716B1 | Waveguide E-plane filter | Electricity | 1 | Active |
| US9263785B2 | Electrically tunable waveguide filter and waveguide tuning device | Electricity | 1 | Active |
| US10411340B2 | Antenna mount | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8797126B2 | Tunable microwave arrangements | Electricity | 1 | Active |
| US8970322B2 | Waveguide based five or six port circuit | Electricity | 0 | Active |
| US10930994B2 | Waveguide transition comprising a feed probe coupled to a waveguide section through a waveguide resonator part | Electricity | 0 | Active |
| US11063647B2 | Alignment means for directive antennas | Electricity | 0 | Active |
| US10236551B2 | Electrically tuneable waveguide structure | Electricity | 0 | Active |
| US8461944B2 | First and second U-shape waveguides joined to a dielectric carrier by a U-shape sealing frame | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.