Inventor
YOKOTA SEIJI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YOKOTA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NETUREN CO LTD
4 patentsUS6080954AJun 27, 2000
Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby
NETUREN CO LTD20 citations92
US4665296AMay 12, 1987
Method of and apparatus for igniting a high-frequency torch to create a high-temperature plasma of high purity
NETUREN CO LTD37 citations92
US4881722ANov 21, 1989
Apparatus for producing superfine particle
NETUREN CO LTD31 citations90
US6156993ADec 5, 2000
Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby
NETUREN CO LTD14 citations73