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Takagi; Naoyuki
Joyo, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7193564 Antenna device, and method of manufacturing the same antenna device March 20, 2007
An antenna device includes an electrically insulating base section and a metallic first antenna element fixed to the base section. The first antenna element includes an adjusting section shaped like a ladder or a lattice, which is formed of rails confronting each other and connecting
7180453 Antenna for portable cellular telephone February 20, 2007
An antenna for portable cellular telephone can adjust each of multiple antenna elements efficiently and independently to a predetermined resonance frequency. A first antenna element and second antenna element are mounted on and anchored to one common base. Terminals for feeding power
7084831 Wireless device having antenna August 1, 2006
A wireless device includes a first antenna element resonating with a first frequency, a first feeding point coupled to the first antenna element and disposed on a ground plane in the wireless device, and a first matching circuit of which its first end is coupled to the first feeding poin
6930641 Antenna and radio device using the same August 16, 2005
An inverted-F type antenna and a wireless device using the same. The antenna element comprises a grounding conductor plate and a conductor at least a part of which is generally spiral in shape and is disposed above the grounding conductor plate apart from the grounding conductor plate. A
6348896 Antenna device February 19, 2002
Insulating-resin-made attachment part 13A is equipped with connection terminal 10 electrically connected to antenna element 3, and connection terminal 10 is directly connected to a prescribed circuit of a radio machine. As a mounting means to the radio machine, snap part 9 having a m

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