KK

Keishi Kosaka

JL Japan Aviation Electronics Industry, Limited: 8 patents #6 of 85Top 8%
NE Nec: 1 patents #382 of 887Top 45%
Overall (2023): #9,999 of 537,848Top 2%
9
Patents 2023

Issued Patents 2023

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11843159 Split ring resonator and communication device Yasuhiko Matsunaga, Eiji Hankui, Hiroshi Toyao 2023-12-12
D993943 Antenna Takeshi Ebisawa 2023-08-01
11658372 Transmission line and antenna 2023-05-23
11626664 Antenna Hiroshi Toyao 2023-04-11
D976884 Antenna Mariko Koyama, Hiroshi Toyao, Yasuhiko Matsunaga, Eiji Hankui, Osamu Hashiguchi +1 more 2023-01-31
D976882 Antenna Takeshi Ebisawa 2023-01-31
D976883 Antenna Mariko Koyama, Yasuhiko Matsunaga, Hiroshi Toyao, Takeshi Ebisawa, Osamu Hashiguchi +1 more 2023-01-31
11552399 Split-ring resonator, board and connector Eiji Hankui, Hiroshi Toyao, Yasuhiko Matsunaga 2023-01-10
11545755 Conductor, antenna, and communication device Eiji Hankui, Hiroshi Toyao 2023-01-03