Noboru Umemoto

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating oil composition for two-cycle engines
- Patent number 5,547,597
- Issue date Aug 20, 1996
- Tonen Corporation
- Katsuya Koganei
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Traction fluid derived from cyclopentadiene oligomers
- Patent number 5,344,582
- Issue date Sep 6, 1994
- Tonen Corporation
- Noboru Umemoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Composition for hydraulic lubrication and coupling
- Patent number 5,334,319
- Issue date Aug 2, 1994
- Tonen Corporation
- Hirotaka Tomizawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Compositions for hydraulic, lubricating and coupling
- Patent number 5,334,320
- Issue date Aug 2, 1994
- Tonen Corporation
- Hirotaka Tomizawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Fluid for viscous coupling
- Patent number 5,332,515
- Issue date Jul 26, 1994
- Tonen Corporation
- Hirotaka Tomizawa
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...