Inventor
OHTACHI YOSHINOBU
JP26 patents
⚠️ This page may combine multiple inventors who share the name “OHTACHI YOSHINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EDWARDS JAPAN LTD
14 patentsUS10364814B2Jul 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
US9982682B2May 29, 2018
Rotor and vacuum pump equipped with same
EDWARDS JAPAN LTD1 citations50
US11898565B2Feb 13, 2024
Vacuum pump and linked-type thread groove spacer
EDWARDS JAPAN LTD0 citations48
US10704555B2Jul 7, 2020
Stator-side member and vacuum pump
EDWARDS JAPAN LTD0 citations41
US10480523B2Nov 19, 2019
Vacuum pump
EDWARDS JAPAN LTD0 citations41
SEIKO INSTR INC
4 patentsUS6575713B2Jun 10, 2003
Vaccum pump
SEIKO INSTR INC27 citations92
US6294890B1Sep 25, 2001
Robot controller
SEIKO INSTR INC33 citations91
US6298279B1Oct 2, 2001
CAD/CAM apparatus and machining apparatus for processing position/force information
SEIKO INSTR INC28 citations85
US6324134B1Nov 27, 2001
Disk recording and reproducing apparatus
SEIKO INSTR INC18 citations82
BOC TECHNOLOGIES LTD
2 patentsUS6840736B2Jan 11, 2005
Vacuum pump
BOC TECHNOLOGIES LTD13 citations82
US6806606B2Oct 19, 2004
Magnetic bearing device with vibration restraining function, magnetic bearing device with vibration estimating function, and pump device with the magnetic bearing devices mounted thereto
BOC TECHNOLOGIES LTD10 citations72