Inventor
NAGAOKA TAKASHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “NAGAOKA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS5961291AOct 5, 1999
Turbo vacuum pump with a magnetically levitated rotor and a control unit for displacing the rotator at various angles to scrape deposits from the inside of the pump
HITACHI LTD128 citations96
US5062771ANov 5, 1991
Vacuum system with a secondary gas also connected to the roughing pump for a semiconductor processing chamber
HITACHI LTD48 citations93
US4734018AMar 29, 1988
Vacuum pump with plural labyrinth seal portions
HITACHI LTD38 citations92
US4618311AOct 21, 1986
Vane angle changing device for an axial fluid machine
HITACHI LTD28 citations92
US5664935ASep 9, 1997
Vacuum pump
HITACHI LTD20 citations91
US5536148AJul 16, 1996
Turbo vacuum pump
HITACHI LTD28 citations91
US5190438AMar 2, 1993
Vacuum pump
HITACHI LTD26 citations91
US5020969AJun 4, 1991
Turbo vacuum pump
HITACHI LTD55 citations91
US4904155AFeb 27, 1990
Vacuum pump
HITACHI LTD32 citations90
US4835114AMay 30, 1989
Method for LPCVD of semiconductors using oil free vacuum pumps
HITACHI LTD36 citations90
US4668160AMay 26, 1987
Vacuum pump
HITACHI LTD38 citations90
US5451147ASep 19, 1995
Turbo vacuum pump
HITACHI LTD16 citations73
US5501583AMar 26, 1996
Turbo vacuum pump
HITACHI LTD18 citations72
US5380171AJan 10, 1995
Turbo vacuum pump
HITACHI LTD9 citations72
SHOWA DENKO PACKAGING CO LTD
6 patentsUS12214571B2Feb 4, 2025
Molding packaging material, power storage device packaging case, and power storage device
SHOWA DENKO PACKAGING CO LTD0 citations61
US11766848B2Sep 26, 2023
Molding packaging material, power storage device packaging case, and power storage device
SHOWA DENKO PACKAGING CO LTD0 citations61
US10008699B2Jun 26, 2018
Package for power storage device and power storage device
SHOWA DENKO PACKAGING CO LTD1 citations50
US11731398B2Aug 22, 2023
Exterior material for power storage device and power storage device
SHOWA DENKO PACKAGING CO LTD0 citations49
US10217974B2Feb 26, 2019
Sealant film for packaging material of power storage device, packaging material for power storage device, and power storage device
SHOWA DENKO PACKAGING CO LTD0 citations40
US10109827B2Oct 23, 2018
Sealant film for packaging material of power storage device, packaging material for power storage device, and power storage device
SHOWA DENKO PACKAGING CO LTD0 citations40