Inventor
HASEGAWA KEIJI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHUO HATSUJO KK
5 patentsUS6648996B2Nov 18, 2003
Method and apparatus for producing a helical spring
CHUO HATSUJO KK22 citations92
US6375174B2Apr 23, 2002
Curved helical compression spring
CHUO HATSUJO KK42 citations91
US6836964B2Jan 4, 2005
Method and apparatus for producing a helical spring
CHUO HATSUJO KK36 citations90
US6779564B2Aug 24, 2004
Method and apparatus for setting a helical compression spring
CHUO HATSUJO KK22 citations90
US6550301B2Apr 22, 2003
Method for producing an inclined helical spring
CHUO HATSUJO KK17 citations83
HITACHI LTD
3 patentsUS6307844B1Oct 23, 2001
CDMA communication system and its transmission power control method
HITACHI LTD90 citations98
US6483816B2Nov 19, 2002
CDMA communication system and its transmission power control method
HITACHI LTD61 citations96
US7006463B2Feb 28, 2006
CDMA communication system and its transmission power control method
HITACHI LTD1 citations63