Inventor
SAMPO TAKESHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “SAMPO TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOKOWO SEISAKUSHO KK
18 patentsUS7518567B2Apr 14, 2009
Planar antenna
YOKOWO SEISAKUSHO KK16 citations79
US11233329B2Jan 25, 2022
Slotted patch antenna
YOKOWO SEISAKUSHO KK2 citations72
US11069961B2Jul 20, 2021
Antenna device having an antenna element coupled at a notch of a ground conductor thereof
YOKOWO SEISAKUSHO KK5 citations72
US7126538B2Oct 24, 2006
Microstrip antenna
YOKOWO SEISAKUSHO KK9 citations72
US9799958B2Oct 24, 2017
Microstrip antenna
YOKOWO SEISAKUSHO KK3 citations68
US12355156B2Jul 8, 2025
Patch antenna and antenna device for vehicle
YOKOWO SEISAKUSHO KK0 citations61
US12206178B2Jan 21, 2025
Antenna device
YOKOWO SEISAKUSHO KK0 citations61
US11894624B2Feb 6, 2024
Slotted patch antenna
YOKOWO SEISAKUSHO KK0 citations61
US11862859B2Jan 2, 2024
Antenna device
YOKOWO SEISAKUSHO KK0 citations61
US11799208B2Oct 24, 2023
Patch antenna and antenna device for vehicle
YOKOWO SEISAKUSHO KK0 citations61
US11581659B2Feb 14, 2023
Antenna device
YOKOWO SEISAKUSHO KK0 citations61
US11476565B2Oct 18, 2022
Patch antenna and antenna device for vehicle
YOKOWO SEISAKUSHO KK1 citations61
US11978970B2May 7, 2024
Antenna device
YOKOWO SEISAKUSHO KK0 citations60
US12463343B2Nov 4, 2025
Antenna having first and second conductor parts with sleeves
YOKOWO SEISAKUSHO KK0 citations51
US11855363B2Dec 26, 2023
Antenna device
YOKOWO SEISAKUSHO KK0 citations51
US10950930B2Mar 16, 2021
Antenna device
YOKOWO SEISAKUSHO KK0 citations51
US6980164B2Dec 27, 2005
Automobile antenna apparatus
YOKOWO SEISAKUSHO KK0 citations48
USD592193SMay 12, 2009
Antenna substrate
YOKOWO SEISAKUSHO KK0 citations42