DY

Dou Yuanzhu

AC Alps Electric Co.: 39 patents #13 of 2,177Top 1%
Overall (All Time): #83,352 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
8358235 Wireless sensor device 2013-01-22
8358236 Wireless sensor apparatus 2013-01-22
8358237 Wireless sensor apparatus 2013-01-22
7440739 Smart antenna device with increased operation speed and complex smart antenna device using smart antenna device 2008-10-21
7388553 Antenna device for vehicle 2008-06-17
7304611 Antenna system with high gain for radio waves polarized in particular direction 2007-12-04
7271777 Antenna device with improved isolation characteristic 2007-09-18
7248224 Antenna device having radiation characteristics suitable for ultrawideband communications 2007-07-24
7248226 Compact antenna device radiating circularly polarized wave 2007-07-24
7148847 Small-size, low-height antenna device capable of easily ensuring predetermined bandwidth 2006-12-12
7136024 Slot antenna having high gain in zenith direction Yoshio Saito 2006-11-14
7106253 Compact antenna device 2006-09-12
7091920 Circular polarization slot antenna apparatus capable of being easily miniaturized 2006-08-15
7079078 Patch antenna apparatus preferable for receiving ground wave and signal wave from low elevation angle satellite 2006-07-18
7046203 Antenna device having miniaturized radiating conductor plate 2006-05-16
6982673 Inverted-F metal plate antenna having increased bandwidth 2006-01-03
6977616 Dual-band antenna having small size and low-height 2005-12-20
6975272 Circularly polarized wave antenna device suitable for miniaturization 2005-12-13
6958732 Small-sized and high-gained antenna-integrated module 2005-10-25
6952183 Circularly-polarized-wave patch antenna which can be used in a wide frequency band 2005-10-04
6946997 Dual band antenna allowing easy reduction of size and height 2005-09-20
6879294 Dual antenna capable of transmitting and receiving circularly polarized electromagnetic wave and linearly polarized electromagnetic wave 2005-04-12
6809687 Monopole antenna that can easily be reduced in height dimension 2004-10-26
6727779 Converter for satellite communication reception having branching waveguide with L-shape probes Toshiaki Konno 2004-04-27
6624715 Ultrawide-band linear-circular polarization converter 2003-09-23