Efstratios Doumanis

City:

Helsinki

Country:

Finland

Published Applications:

Last publication date:

2026-01-15

Top Assignees for applications by Efstratios Doumanis

The entities that hold a legal rights for patent applications filed by inventor Doumanis Efstratios:

Nokia Solutions and Networks Oy 5 Espoo, Finland

Recent patent applications by Doumanis Efstratios

Efstratios Doumanis from Helsinki, FI has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2026-01-15

US20260018772A1

Electricity

Frequency Adjustable Filter

#2 | 2023-12-07

US20230395964A1

Electricity

Resonator

#3 | 2023-09-14

US20230291084A1

Electricity

Frequency Adjustable Filter

#4 | 2022-05-26

US20220166133A1

Electricity

Antenna system

#5 | 2021-07-29

US20210234271A1

Electricity

Antenna system with radiator extensions

#6 | 2020-06-04

US20200176850A1

Electricity

Resonator for radio frequency signals

InventorID:

2753488 ⎘