KK

Keishi Kosaka

NE Nec: 16 patents #699 of 14,502Top 5%
JL Japan Aviation Electronics Industry, Limited: 15 patents #72 of 728Top 10%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Overall (All Time): #105,725 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
12334650 Multi-resonant antenna 2025-06-17
12142840 Antenna device Eiji Hankui, Hiroshi Toyao 2024-11-12
11862877 Antenna, board and communication device Hiroshi Toyao, Eiji Hankui, Yasuhiko Matsunaga 2024-01-02
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
D976883 Antenna Mariko Koyama, Yasuhiko Matsunaga, Hiroshi Toyao, Takeshi Ebisawa, Osamu Hashiguchi +1 more 2023-01-31
D976882 Antenna Takeshi Ebisawa 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
11476580 Antenna and communication device Tatsuya Soma 2022-10-18
11431098 Phase control device, antenna system, and phase control method Mingqi Wu, Eiji Hankui 2022-08-30
11380997 Antenna 2022-07-05
11245195 Phase control plate Yoshiaki Kasahara, Eiji Hankui, Hiroshi Toyao, Mingqi Wu 2022-02-08
11095038 Polarization control plate Yoshiaki Kasahara, Eiji Hankui, Hiroshi Toyao, Mingqi Wu 2021-08-17
D927468 Antenna Yasuhiko Matsunaga, Eiji Hankui, Hiroshi Toyao, Osamu Hashiguchi 2021-08-10
D926736 Antenna Yasuhiko Matsunaga, Eiji Hankui, Hiroshi Toyao, Osamu Hashiguchi 2021-08-03
10784589 Wireless communication device Hiroshi Toyao 2020-09-22
10756420 Multi-band antenna and radio communication device 2020-08-25
10651562 Frequency selective surface, antenna, wireless communication device, and radar device 2020-05-12
10476172 Antenna, antenna array, and wireless communication device Hiroshi Toyao 2019-11-12
10476132 Antenna, antenna array, and radio communication apparatus Hiroshi Toyao 2019-11-12
10476150 Wireless communication device Hiroshi Toyao 2019-11-12