Inventor
OKADA YOSHITSUGU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OKADA YOSHITSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
7 patentsUS6504444B1Jan 7, 2003
High frequency integrated circuit including an isolator and dielectric filter
NEC CORP19 citations83
US4882839ANov 28, 1989
Method of manufacturing multi-layered wiring substrate
NEC CORP17 citations73
US6512424B2Jan 28, 2003
High frequency nonreciprocal circuit element with a protruding embedded magnetized member
NEC CORP8 citations72
US6348843B1Feb 19, 2002
Method of regulating a high frequency nonreciprocal circuit element
NEC CORP6 citations72
US6127907AOct 3, 2000
High frequency filter and frequency characteristics regulation method therefor
NEC CORP13 citations72
US5876618AMar 2, 1999
Ni-Zn type ferrite
NEC CORP3 citations61
US5874020AFeb 23, 1999
Ni-Zn base ferrite
NEC CORP0 citations51
KUBOTA LTD
6 patentsUS4294428AOct 13, 1981
Butterfly valve
KUBOTA LTD29 citations92
US4266753AMay 12, 1981
Butterfly valve
KUBOTA LTD26 citations81
US4008877AFeb 22, 1977
Butterfly valve apparatus
KUBOTA LTD28 citations80
US4040443AAug 9, 1977
Sleeve valve
KUBOTA LTD15 citations71
US4007910AFeb 15, 1977
Butterfly valve apparatus
KUBOTA LTD15 citations71
US4221360ASep 9, 1980
Butterfly valve
KUBOTA LTD4 citations60