Inventor
HIRAKAWA KIYOSHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “HIRAKAWA KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KURARAY CO
13 patentsUS5304420AApr 19, 1994
Vinyl alcohol unit-containing polymer fibers having high moisture absorption and high water absorption
KURARAY CO36 citations92
US6455156B2Sep 24, 2002
Hollow fibers and manufacturing method of hollow fibers
KURARAY CO36 citations91
US5464695ANov 7, 1995
Composite fiber containing inorganic fine powder
KURARAY CO29 citations91
US5059482AOct 22, 1991
Composite fiber and process for producing the same
KURARAY CO37 citations90
US5047448ASep 10, 1991
Antimicrobial-shaped article and a process for producing the same
KURARAY CO53 citations90
US5766758AJun 16, 1998
Fiber of ethylene-vinyl alcohol copolymer and process for production thereof
KURARAY CO36 citations89
US5567796AOct 22, 1996
Polyester fiber
KURARAY CO29 citations89
US6635204B2Oct 21, 2003
Process of making hollow fibers and treating fibers
KURARAY CO10 citations72
US4514459AApr 30, 1985
Woven fabric having a velvety appearance
KURARAY CO10 citations72
US5695375ADec 9, 1997
Disperse dye-dyeable regenerated cellulose fiber and textile products containing the fiber
KURARAY CO8 citations71
US5087519AFeb 11, 1992
Ethylene-vinyl alcohol copolymer composite fiber and production thereof
KURARAY CO13 citations71
US5753367AMay 19, 1998
Disperse dye-dyeable regenerated cellulose fiber and textile products containing the fiber
KURARAY CO7 citations70
US5340650AAug 23, 1994
Vinyl alcohol units-containing polymer composite fiber having resistance to hot water and wet heat and process for its production
KURARAY CO17 citations70
NSK LTD
10 patentsUS5860749AJan 19, 1999
Rolling bearing for supporting rotating spindles
NSK LTD25 citations92
US6012851AJan 11, 2000
Rolling bearing
NSK LTD29 citations89
US5639168AJun 17, 1997
Ball bearing for supporting a spindle rotating at high speed
NSK LTD18 citations81
US5439300AAug 8, 1995
Rolling bearing
NSK LTD19 citations78
US6562151B2May 13, 2003
Rolling shaft made by high-frequency quenching
NSK LTD12 citations74
US6248287B1Jun 19, 2001
Corrective tempering apparatus for rolling elements
NSK LTD7 citations71
US6093268AJul 25, 2000
Corrective tempering method for rolling elements
NSK LTD9 citations71
US5603576AFeb 18, 1997
Method for manufacturing balls for bearing and products thereby
NSK LTD6 citations70
US6119347ASep 19, 2000
Method for manufacturing balls for bearing and products thereby
NSK LTD6 citations68
US5447579ASep 5, 1995
Rolling part steel
NSK LTD5 citations61
YASKAWA ELECTRIC CORP
3 patentsUS9709970B2Jul 18, 2017
Control device, security management system, and security management method
YASKAWA ELECTRIC CORP4 citations66
US11426868B2Aug 30, 2022
Operation device, control system, control method, and non-transitory computer-readable storage medium
YASKAWA ELECTRIC CORP0 citations49
US11173600B2Nov 16, 2021
Operation device, control system, control method, and non-transitory computer-readable storage medium
YASKAWA ELECTRIC CORP0 citations49