Inventor
NAGAKAWA HIROSHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAGAKAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
8 patentsUS7531488B2May 12, 2009
Lubricating oil for refrigerator with compressor
IDEMITSU KOSAN CO13 citations92
US7517839B2Apr 14, 2009
Lubricating oil for refrigerator with compressor
IDEMITSU KOSAN CO13 citations92
US6475405B1Nov 5, 2002
Lubricating oil for refrigerator with compressor
IDEMITSU KOSAN CO28 citations92
US6458288B1Oct 1, 2002
Lubricating oil for refrigerator with compressor
IDEMITSU KOSAN CO27 citations92
US6465400B1Oct 15, 2002
Lubricating oil composition for high-temperature use
IDEMITSU KOSAN CO24 citations91
US6878677B1Apr 12, 2005
Refrigerating machine oil compositions
IDEMITSU KOSAN CO38 citations88
US4800030AJan 24, 1989
Refrigerator oil composition
IDEMITSU KOSAN CO13 citations73
USRE39382ENov 7, 2006
Lubricating oil composition for high-temperature use
IDEMITSU KOSAN CO2 citations61