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Ryuichi Masumori
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Tokyo, JP
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last 30 patents
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Patent Grant
Lubricant composition and its use in a ball joint
Patent number
6,500,787
Issue date
Dec 31, 2002
Shell Oil Company
Keiji Tanaka
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Grease composition for constant velocity joints
Patent number
6,403,538
Issue date
Jun 11, 2002
Shell Oil Company
Takahiro Ozaki
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Grease composition for constant velocity joint
Patent number
6,258,760
Issue date
Jul 10, 2001
Showa Shell Sekiyu K.K.
Takahiro Ozaki
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...