Tokyo
Japan
8
2025-03-13
The entities that hold a legal rights for patent applications filed by inventor YI Longfei:
Longfei YI from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
ELECTRONIC COMPONENT
#2 | 2024-01-18ELECTRONIC COMPONENT
#3 | 2023-08-10Filter circuit and multilayered filter device
#4 | 2023-08-03Filter circuit and multilayered filter device
#5 | 2023-05-11Multi-layered band-pass filter device
#6 | 2023-04-27Multilayered filter device
#7 | 2023-04-27Multilayered filter device
#8 | 2022-06-30Band-pass filter
5453840 ⎘