Espoo
Finland
3
2005-10-25
The entities that hold a legal rights for patent applications filed by inventor Koivisto Markku:
Markku Koivisto from Espoo, FI has applied for patents for these inventions. The list has both pending applications and granted patents:
Waveguide to stripline transition with via forming an impedance matching fence
#2 | 2005-09-06Self-aligned transition between a transmission line and a module
#3 | 2005-06-21Method for creating waveguides in multilayer ceramic structures and a waveguide having a core bounded by air channels
7470021 ⎘