AA

Akihiko Akasegawa

Fujitsu Limited: 25 patents #1,029 of 24,456Top 5%
Overall (All Time): #164,548 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
8952846 Electronic apparatus, method of making the same, and transceiving device Satoshi Masuda 2015-02-10
8933765 Filter, transmitter-receiver, and amplifying circuit 2015-01-13
8761849 Superconductive filter with plurality of resonator patterns formed on surface of dielectric substrate Teru Nakanishi, Kazunori Yamanaka, Kazuaki Kurihara 2014-06-24
8725224 Superconducting filter with disk-shaped electrode pattern Keisuke Sato, Teru Nakanishi, Kazunori Yamanaka, Kazuaki Kurihara 2014-05-13
8549730 Superconductor device Teru Nakanishi, Kazunori Yamanaka, Kazuaki Kurihara 2013-10-08
8224409 Three-dimensional filter with movable superconducting film for tuning the filter Kazunori Yamanaka, Keisuke Sato 2012-07-17
7983727 Superconductor filter unit Teru Nakanishi, Kazunori Yamanaka, Kazuaki Kurihara 2011-07-19
7970447 High frequency filter having a solid circular shape resonance pattern with multiple input/output ports and an inter-port waveguide connecting corresponding output and input ports Masatoshi Ishii, Kazunori Yamanaka, John David Baniecki, Teru Nakanishi 2011-06-28
7902945 Dual mode ring resonator filter with a dual mode generating line disposed inside the ring resonator Masatoshi Ishii, Kazunori Yamanaka, John David Baniecki, Teru Nakanishi 2011-03-08
7904129 Superconducting device with a disk shape resonator pattern that is adjustable in bandwidth Manabu Kai, Teru Nakanishi, Kazunori Yamanaka 2011-03-08
7734319 Dual-mode superconductive filter having an opening pattern in a ground plane 2010-06-08
7650174 Superconductive filter capable of easily adjusting filter characteristic and filter characteristic adjusting method Tsuyoshi Aoki, Kazuaki Kurihara, Teru Nakanishi, Manabu Kai, Kazunori Yamanaka 2010-01-19
7587229 Superconducting tunable filter having a patch resonator pattern tuned by a variable dielectric constant top plate Masatoshi Ishii, Kazunori Yamanaka, John David Baniecki, Kazuaki Kurihara, Teru Nakanishi 2009-09-08
7567145 Superconducting tunable filter Kazuaki Kurihara, Kazunori Yamanaka, Shigetoshi Ohshima, Atsushi Saito 2009-07-28
7565188 Superconducting filter device having disk resonators embedded in depressions of a substrate and method of producing the same Kazuaki Kurihara, Kazunori Yamanaka, Shigetoshi Ohshima, Atsushi Saito 2009-07-21
7558608 Superconducting device, fabrication method thereof, and filter adjusting method Manabu Kai, Teru Nakanishi, Kazunori Yamanaka 2009-07-07
7283855 Dielectric waveguide having a 45° face and method of production thereof Kazunori Yamanaka, Masafumi Shigaki, Isao Nakazawa 2007-10-16
7263392 Superconductor transmission line having slits of less than λ /4 Kazunori Yamanaka, Teru Nakanishi 2007-08-28
7221238 Superconducting filter device Teru Nakanishi, Manabu Kai, Kazunori Yamanaka 2007-05-22
7218184 Superconducting filter Kazunori Yamanaka, Teru Nakanishi, Manabu Kai 2007-05-15
6980841 Filter device having spiral resonators connected by a linear section Manabu Kai, Kazunori Yamanaka, Teru Nakanishi 2005-12-27
6889068 Heat cutoff signal transmission unit and superconducting signal transmission apparatus Manabu Kai, Toru Maniwa, Kazunori Yamanaka 2005-05-03
6823201 Superconducting microstrip filter having current density reduction parts Manabu Kai, Toru Maniwa, Kazunori Yamanaka 2004-11-23
6690957 High temperature superconductor film, method for forming the same and superconductor element Kazunori Yamanaka, Teru Nakanishi 2004-02-10
6367266 Heat insulation chamber, thermostatic chamber and cryostat Kazuhiko Kobayashi, Kazunori Yamanaka, Yoshiharu Tozawa, Fumihiko Kobayashi, Ichiro Abeno 2002-04-09