Inventor
OU HOK HUOR
JP5 patents
Patents
5 patentsUS6535173B2Mar 18, 2003
Slot array antenna having a feed port formed at the center of the rear surface of the plate-like structure
OKI ELECTRIC IND CO LTD34 citations89
US6031435AFeb 29, 2000
Multiple-stage ladder type SAW filter having series resonators with decreasing electrode pitches
OKI ELECTRIC IND CO LTD25 citations89
US5963113AOct 5, 1999
Saw ladder filter with inter-stage matching saw resonator
OKI ELECTRIC IND CO LTD28 citations89
US7872609B2Jan 18, 2011
Circular waveguide antenna and circular waveguide array antenna
OKI ELECTRIC IND CO LTD8 citations82
US8044783B2Oct 25, 2011
Tire condition detection system and induction feed method thereof
OKI ELECTRIC IND CO LTD2 citations61