Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11986559 | Method for coating pharmaceutical substrates | Pekka Hoppu, Tommi Kaariainen, Marja-Leena Kaariainen | 2024-05-21 |
| 11672764 | Method for coating pharmaceutical substrates | Pekka Hoppu, Tommi Kaariainen, Marja-Leena Kaariainen | 2023-06-13 |
| 10603284 | Method for coating pharmaceutical substrates | Pekka Hoppu, Tommi Kaariainen, Marja-Leena Kaariainen | 2020-03-31 |
| 5923233 | Resonator resonant frequency tuning | Heli Jantunen | 1999-07-13 |
| 5781088 | Lumped-constant resonator structure and method for adjusting it | Heli Jantunen | 1998-07-14 |
| 5760665 | Stripline resonator structure formed on upper and lateral surfaces of substrate projections | Heli Jantunen | 1998-06-02 |
| 5734306 | Coaxial resonator and filter having a module block construction | Heli Jantunen | 1998-03-31 |
| 5543764 | Filter having an electromagnetically tunable transmission zero | Heli Jantunen | 1996-08-06 |
| 5541560 | Selectable bandstop/bandpass filter with switches selecting the resonator coupling | Heli Jantunen | 1996-07-30 |
| 5473295 | Saw notch filter for improving stop-band attenuation of a duplex filter | — | 1995-12-05 |
| 5467065 | Filter having resonators coupled by a saw filter and a duplex filter formed therefrom | Heli Jantunen | 1995-11-14 |
| 5408206 | Resonator structure having a strip and groove serving as transmission line resonators | Heli Jantunen | 1995-04-18 |
| RE34898 | Ceramic band-pass filter | Pauli Nappa | 1995-04-11 |
| 5387886 | Duplex filter operating as a change-over switch | Tapio Takalo, Pauli Nappa | 1995-02-07 |
| 5354463 | Dielectric filter | Pauli Nappa, Tapio Takalo | 1994-10-11 |
| 5319328 | Dielectric filter | — | 1994-06-07 |
| 5307036 | Ceramic band-stop filter | Pauli Nappa | 1994-04-26 |
| 5302924 | Temperature compensated dielectric filter | Heli Jantunen | 1994-04-12 |
| 5278528 | Air insulated high frequency filter with resonating rods | — | 1994-01-11 |
| 5239279 | Ceramic duplex filter | Pauli Nappa | 1993-08-24 |
| 5103197 | Ceramic band-pass filter | Pauli Nappa | 1992-04-07 |