Inventor
MAEJIMA YASUSHI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “MAEJIMA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EDWARDS JAPAN LTD
15 patentsUS7390164B2Jun 24, 2008
Fixing structure for fixing rotor to rotor shaft, and turbo molecular pump having the fixing structure
EDWARDS JAPAN LTD9 citations79
US10364814B2Jul 30, 2019
Vacuum pump
EDWARDS JAPAN LTD2 citations72
US12158152B2Dec 3, 2024
Vacuum pump and stator component of thread groove pump portion of the vacuum pump
EDWARDS JAPAN LTD0 citations61
US11946482B2Apr 2, 2024
Vacuum pump, rotor, and washer
EDWARDS JAPAN LTD0 citations57
US12510090B2Dec 30, 2025
Vacuum pump, vacuum pump controller, and remote controller
EDWARDS JAPAN LTD0 citations51
US12392352B2Aug 19, 2025
Vacuum exhaust apparatus and vacuum pump used therein
EDWARDS JAPAN LTD0 citations51
US11889595B2Jan 30, 2024
Vacuum pump and heating device therefor
EDWARDS JAPAN LTD0 citations51
US11480182B2Oct 25, 2022
Vacuum pump, cylindrical portion used in vacuum pump, and base portion
EDWARDS JAPAN LTD0 citations51
US11466692B2Oct 11, 2022
Adaptor and vacuum pump
EDWARDS JAPAN LTD0 citations51
US11384770B2Jul 12, 2022
Vacuum pump, and control device of vacuum pump
EDWARDS JAPAN LTD0 citations51
US10578158B2Mar 3, 2020
Vacuum pump and abnormality cause estimating method for vacuum pump
EDWARDS JAPAN LTD0 citations51
US12044251B2Jul 23, 2024
Vacuum pump
EDWARDS JAPAN LTD0 citations50
US9982682B2May 29, 2018
Rotor and vacuum pump equipped with same
EDWARDS JAPAN LTD1 citations50
US10704555B2Jul 7, 2020
Stator-side member and vacuum pump
EDWARDS JAPAN LTD0 citations41
US10480523B2Nov 19, 2019
Vacuum pump
EDWARDS JAPAN LTD0 citations41
BOC TECHNOLOGIES LTD
6 patentsUS6854956B2Feb 15, 2005
Turbo-molecular pump
BOC TECHNOLOGIES LTD12 citations83
US6752588B2Jun 22, 2004
Vacuum pump
BOC TECHNOLOGIES LTD14 citations82
US6824349B2Nov 30, 2004
Vacuum pump
BOC TECHNOLOGIES LTD12 citations73
US6709226B2Mar 23, 2004
Vacuum pump
BOC TECHNOLOGIES LTD12 citations73
US6890145B2May 10, 2005
Vacuum pump
BOC TECHNOLOGIES LTD11 citations68
US6814536B2Nov 9, 2004
Vacuum pump
BOC TECHNOLOGIES LTD2 citations62