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Ayako Saneyoshi
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Tokyo, JP
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last 30 patents
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Patent Grant
Lubricant for refrigerating machine employing ammonia refrigerant
Patent number
6,875,730
Issue date
Apr 5, 2005
Asahi Denka Kogyo K.K.
Takashi Kaimai
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
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Patent Application
Lubricant for refrigerating machine employing ammonia refrigerant
Publication number
20030027729
Publication date
Feb 6, 2003
Takashi Kaimai
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...