Inventor
KAWASHIMA TOSHIAKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EDWARDS JAPAN LTD
6 patentsUS10371159B2Aug 6, 2019
Magnetic bearing device, and vacuum pump having same
EDWARDS JAPAN LTD2 citations72
US10359046B2Jul 23, 2019
Magnetic bearing device and vacuum pump
EDWARDS JAPAN LTD2 citations72
US11536280B2Dec 27, 2022
Vacuum pump, magnetic bearing device, and rotor
EDWARDS JAPAN LTD0 citations61
US12092123B2Sep 17, 2024
Control apparatus and vacuum pump provided with said control apparatus
EDWARDS JAPAN LTD0 citations51
US11499571B2Nov 15, 2022
Vacuum pump and vacuum-pump damper
EDWARDS JAPAN LTD0 citations51
US11028853B2Jun 8, 2021
Electromagnetic unit, magnetic bearing device, and vacuum pump
EDWARDS JAPAN LTD0 citations51
BOC EDWARDS JAPAN LTD
5 patentsUS6759827B2Jul 6, 2004
Control circuit of brush-less motor, control circuit of sensor-less brush-less motor, brush-less motor apparatus, sensor-less brush-less motor apparatus and vacuum pump apparatus
BOC EDWARDS JAPAN LTD38 citations91
US7091641B2Aug 15, 2006
Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto
BOC EDWARDS JAPAN LTD14 citations83
US6949853B2Sep 27, 2005
Magnetic bearing device and pump device with the magnetic bearing device mounted thereto
BOC EDWARDS JAPAN LTD15 citations82
US7786636B2Aug 31, 2010
Magnetic bearing device and a turbo molecular pump with the magnetic bearing device mounted thereto
BOC EDWARDS JAPAN LTD2 citations61
US7292425B2Nov 6, 2007
Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto
BOC EDWARDS JAPAN LTD2 citations61