LK Products Oy
Patent Applications and Registrations
Patent applications and USPTO patent grants for LK Products Oy.The latest application filed is for "multiband planar antenna".
Company Profile
0.53.8
- LK Products Oy - Kempele FI
- LK Products Oy - Takatie 6 Kempele FI
Patent Activity
| Patent | Date |
|---|---|
| Planar antenna structure and radio device Grant 7,501,983 - Mikkola March 10, 2 | 2009-03-10 |
| Antenna element for a radio device Grant 7,391,378 - Mikkola , et al. June 24, 2 | 2008-06-24 |
| Multiband planar antenna Grant 7,352,326 - Korva , et al. April 1, 2 | 2008-04-01 |
| Cover structure for a radio device Grant 7,340,286 - Korva , et al. March 4, 2 | 2008-03-04 |
| Multiband planar antenna App 20070132641 - Korva; Heikki ; et al. | 2007-06-14 |
| Antenna for flat radio device Grant 7,136,019 - Mikkola , et al. November 14, 2 | 2006-11-14 |
| Arrangement for integrating a radio phone structure Grant 7,126,546 - Annamaa , et al. October 24, 2 | 2006-10-24 |
| Cover structure for a radio device App 20060208951 - Korva; Heikki ; et al. | 2006-09-21 |
| Method for mounting a radiator in a radio device and a radio device App 20060197712 - Niemi; Matti ; et al. | 2006-09-07 |
| Adjustable multi-band antenna Grant 7,099,690 - Milosavljevic August 29, 2 | 2006-08-29 |
| Antenna arrangement for connecting an external device to a radio device App 20060176225 - Annamaa; Petteri ; et al. | 2006-08-10 |
| Internal Multiband Antenna App 20060170600 - Korva; Heikki | 2006-08-03 |
| Arrangement for connecting additional antenna to radio device Grant 7,081,857 - Kinnunen , et al. July 25, 2 | 2006-07-25 |
| Antenna for a foldable radio device App 20060135090 - Annamaa; Petteri | 2006-06-22 |
| Arrangement for connecting additional antenna to radio device App 20050237247 - Kinnunen, Pekka ; et al. | 2005-10-27 |
| Antenna element and a method for manufacturing the same App 20050237243 - Annamaa, Petteri ; et al. | 2005-10-27 |
| Antenna structure Grant 6,252,554 - Isohatala , et al. June 26, 2 | 2001-06-26 |
| Antenna filtering arrangement for a dual mode radio communication device Grant 6,185,434 - Hagstrom , et al. February 6, 2 | 2001-02-06 |
| Coupling element for realizing electromagnetic coupling and apparatus for coupling a radio telephone to an external antenna Grant 6,157,819 - Vuokko , et al. December 5, 2 | 2000-12-05 |
| Simple dual-frequency antenna Grant 6,140,973 - Annamaa , et al. October 31, 2 | 2000-10-31 |
| High frequency filter with a dielectric board element to provide electromagnetic couplings Grant 6,078,231 - Pelkonen June 20, 2 | 2000-06-20 |
| Electrically regulated filter having a selectable stop band Grant 6,037,848 - Alila , et al. March 14, 2 | 2000-03-14 |
| Integrated filter construction Grant 6,023,608 - February 8, 2 | 2000-02-08 |
| Dual-frequency antenna Grant 6,016,130 - Annamaa January 18, 2 | 2000-01-18 |
| Combined structure of a helical antenna and a dielectric plate Grant 5,990,848 - Annamaa , et al. November 23, 1 | 1999-11-23 |
| Antenna, particularly a mobile phone antenna, and a method to manufacture the antenna Grant 5,905,475 - Annamaa May 18, 1 | 1999-05-18 |
| Radio communications transceiver with integrated filter, antenna switch, directional coupler and active components Grant 5,903,820 - Hagstrom May 11, 1 | 1999-05-11 |
| Switchable duplex filter Grant 5,815,048 - Ala-Kojola , et al. September 29, 1 | 1998-09-29 |
| Stepwise regulated filter having a multiple-step switch Grant 5,793,269 - Ervasti , et al. August 11, 1 | 1998-08-11 |
| Resilient antenna structure and a method to manufacture it Grant 5,742,259 - Annamaa April 21, 1 | 1998-04-21 |
| Filter with improved stop/pass ratio Grant 5,739,735 - April 14, 1 | 1998-04-14 |
| Double-action antenna Grant 5,734,351 - Ojantakanen , et al. March 31, 1 | 1998-03-31 |
| Stepwise switched filter Grant 5,734,305 - Ervasti March 31, 1 | 1998-03-31 |
| Transmission line resonator filter with variable slot coupling and link coupling #10 Grant 5,731,749 - March 24, 1 | 1998-03-24 |
| Resonator filter with variable tuning Grant 5,627,502 - Ervasti May 6, 1 | 1997-05-06 |
| Diode tuned resonator filter Grant 5,594,395 - Niiranen January 14, 1 | 1997-01-14 |
| Helical resonator filter including short circuit stub tuning Grant 5,585,771 - Ervasti , et al. December 17, 1 | 1996-12-17 |
| Supporting of a helix resonator Grant 5,570,071 - Ervasti October 29, 1 | 1996-10-29 |
| Dielectric resonator having a frequency tuning element extending into the resonator hole Grant 5,550,519 - Korpela August 27, 1 | 1996-08-27 |
| Filter having an electromagnetically tunable transmission zero Grant 5,543,764 - Turunen , et al. August 6, 1 | 1996-08-06 |
| Selectable bandstop/bandpass filter with switches selecting the resonator coupling Grant 5,541,560 - Turunen , et al. July 30, 1 | 1996-07-30 |
| Arrangement for separating transmission and reception Grant 5,521,561 - Yrjola , et al. May 28, 1 | 1996-05-28 |
| Helix resonator filter with a coupling aperture extending from a side wall Grant 5,508,668 - Prokkola April 16, 1 | 1996-04-16 |
| Saw notch filter for improving stop-band attenuation of a duplex filter Grant 5,473,295 - Turunen December 5, 1 | 1995-12-05 |
| Filter having resonators coupled by a saw filter and a duplex filter formed therefrom Grant 5,467,065 - Turunen , et al. November 14, 1 | 1995-11-14 |
| Helix resonator filter Grant 5,418,508 - Puurunen May 23, 1 | 1995-05-23 |
| Resonator structure having a strip and groove serving as transmission line resonators Grant 5,408,206 - Turunen , et al. April 18, 1 | 1995-04-18 |
| Ceramic band-pass filter Grant RE34,898 - Turunen , et al. April 11, 1 | 1995-04-11 |
| Duplex filter operating as a change-over switch Grant 5,387,886 - Takalo , et al. February 7, 1 | 1995-02-07 |
| Dielectric filter Grant 5,354,463 - Turunen , et al. October 11, 1 | 1994-10-11 |
| Helix resonator Grant 5,351,023 - Niiranen September 27, 1 | 1994-09-27 |
| Dielectric filter Grant 5,349,315 - Ala-Kojola September 20, 1 | 1994-09-20 |
| Ceramic band-stop filter Grant 5,307,036 - Turunen , et al. April 26, 1 | 1994-04-26 |
| Temperature compensated dielectric filter Grant 5,302,924 - Jantunen , et al. April 12, 1 | 1994-04-12 |
| Adjustable resonator arrangement Grant 5,298,873 - Ala-Kojola March 29, 1 | 1994-03-29 |
| Method for coating a dielectric ceramic piece Grant 5,281,326 - Galla January 25, 1 | 1994-01-25 |
| Ceramic duplex filter Grant 5,239,279 - Turunen , et al. August 24, 1 | 1993-08-24 |
| Tunable helical resonator Grant 5,210,510 - Karsikas May 11, 1 | 1993-05-11 |
| Ceramic band-pass filter Grant 5,103,197 - Turunen , et al. April 7, 1 | 1992-04-07 |
| Transmission line resonator Grant 5,047,739 - Kuokkanen September 10, 1 | 1991-09-10 |
| Resonator structure Grant 4,977,383 - Niiranen December 11, 1 | 1990-12-11 |
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