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Shigeki Matsui

Shigeki Matsui, Kanagawa JP

Patent application numberDescriptionPublished
20080234153LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition, which is capable to maintain sufficient low-friction (i.e. fuel saving performance) even when the lubricating oil is contaminated with soot and metal abrasion powder, which is excellent in durability with regard to anti-wear property and detergency, as well as oxidation stability, and which is capable to lower the ash content and to sufficiently maintain the performance of exhaust-gas after-treatment device for a long term. The lubricating oil composition comprises a lubricant base oil containing a base oil (X) of which % C09-25-2008
20090275491LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition with excellent torque capacity and shifting characteristics suitable for use as automatic or continuously variable transmission fluids, which composition comprises a base oil and, on the basis of the total mass of the composition, (A) a sulfonate detergent in an amount of 0.01 to 0.3 percent by mass in terms of metal (MeA); (B) a salicylate detergent in an amount of 0 or more than 0 and 0.1 percent by mass or less, in terms of metal (MeB); and (C) a boron-containing succinimide type ashless dispersant in an amount of 0.001 to 0.1 percent by mass in terms of boron (BoC); (MeB)/(MeA) being 0, or greater than 0 and 1.5 or less, and (MeA)/(BoC) being from 0.001 to 20.11-05-2009
20100016195Lube Base Oil, Lubricating Oil Composition For Internal Combustion Engine, And Lubricating Oil Composition For Drive Transmissoin Device - The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant containing essentially no sulfur as a constituent element, and at least one compound selected from among ashless antioxidants containing sulfur as a constituent element and organic molybdenum compounds. Also, a lubricating oil composition for a power train device according to the invention comprises the lubricating base oil of the invention, a poly(meth)acrylate-based viscosity index improver and a phosphorus-containing compound.01-21-2010
20100035777Lubricant base oil, lubricant composition for internal combustion engine and lubricant composition for driving force transmitting device - The lubricating base oil of the invention is characterized by satisfying at least one of the following conditions (a) or (b). 02-11-2010
20100041572Lube Base Oil, Process for Production Thereof, and Lubricating Oil Composition - The present invention provides a lubricating base oil comprising saturated components of 90% by mass or greater, wherein the proportion of cyclic saturated components among the saturated components is not greater than 40% by mass, and by having a viscosity index of 110 or higher and an iodine value of not greater than 2.5. The lubricating base oil of the invention exhibits excellent viscosity-temperature characteristics and heat and oxidation stability while also allowing additives to exhibit a higher level of function when additives are included. The lubricating base oil of the invention is suitable for use in various lubricating oil fields, and is especially useful for reducing energy loss and achieving energy savings in devices in which the lubricating base oil is applied.02-18-2010
20110003725LUBRICANT OIL COMPOSITION - The present invention provides a lubricating oil composition comprising: 01-06-2011
20110053815LUBRICANT COMPOSITION - The invention provides a lubricating oil composition comprising: 03-03-2011
20110237477LUBRICANT BASE OIL AND A PROCESS FOR PRODUCING THE SAME, AND LUBRICATING OIL COMPOSITION - A hydrocarbon-based lubricating base oil wherein a urea adduct value is not greater than 4% by mass, a viscosity index is 100 or higher, an average of carbon atoms number is 23-31 as determined by gas chromatography distillation, a value obtained by dividing an integral value of a peak in 30 ppm by an integral value of total peaks in the range of from 0 ppm to 50 ppm for the 09-29-2011

Patent applications by Shigeki Matsui, Kanagawa JP

Shigeki Matsui, Tokyo JP

Patent application numberDescriptionPublished
20100296757MULTILAYERED LAMINATE FILM - There is provided a multilayer laminate film with easy unsealability, heat resistance and easy cuttability, having a seal layer (A) and a base material layer (B), the multilayer laminate film containing the seal layer (A) and the base material layer (B) composed of a mixture of 10-50 parts by weight of high-density polyethylene and 50-90 parts by weight of polypropylene, laminated on the seal layer (A) in one layer or two or more layers, 11-25-2010
20110218131LUBRICANT COMPOSITION AND METHOD FOR PRODUCING SAME - A lubricating oil composition comprising: a lubricating base oil comprising a first lubricating base oil component having a urea adduct value of not greater than 4% by mass, a kinematic viscosity at 40° C. of 14-25 mm09-08-2011
20120071373LUBRICANT OIL COMPOSITION - A lubricant oil composition according to the present invention comprises: a lubricant base oil whose kinematic viscosity at 100° C. is 1 to 20 mm03-22-2012
20120071374LUBRICANT OIL COMPOSITION - A lubricant oil composition comprising: a lubricant base oil whose kinematic viscosity at 100° C. is 1 to 6 mm03-22-2012
20120071375LUBRICANT OIL COMPOSITION - The invention provides a lubricating oil composition comprising a lubricating base oil with a kinematic viscosity at 100° C. of 1-10 mm03-22-2012
20120283157LUBRICANT COMPOSITION - The lubricating oil composition of the invention comprises a lubricating base oil with a 100° C. kinematic viscosity of 1-20 mm11-08-2012
20120283159LUBRICANT COMPOSITION - The lubricating oil composition of the invention comprises a lubricating base oil with a 100° C. kinematic viscosity of 1-20 mm11-08-2012
20140311409VAPOR DEPOSITION APPARATUS HAVING PRETREATMENT DEVICE THAT USES PLASMA - A roller-type continuous vapor deposition film-forming apparatus for a substrate that is to be conveyed at high speed, comprising a plasma pretreatment device and a film-forming apparatus provided in series, wherein a substrate conveying compartment 10-23-2014
20140378355LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition that is a lubricating oil composition with a 150° C. HTHS viscosity of less than 2.6 mPa·s and can be reduced sufficiently in the 40° C. kinematic viscosity, 100° C. kinematic viscosity and 100° C. HTHS viscosity and suppress the increase of the friction coefficient in a boundary lubrication region and has excellent fuel saving properties. The lubricating oil composition comprises a lubricating base oil with a 100° C. kinematic viscosity of 1 to 5 mm12-25-2014

Patent applications by Shigeki Matsui, Tokyo JP

Shigeki Matsui, Yokohama-Shi JP

Patent application numberDescriptionPublished
20080248981Lubricating oil composition - The lubricating oil composition of the invention comprises a lubricating base oil with a urea adduct value of no greater than 4% by mass and a viscosity index of 100 or higher, an ashless friction modifier at 0.01-10% by mass and a phosphorus-containing anti-wear agent at 0.01-0.2% by mass as phosphorus, based on the total amount of the composition.10-09-2008
20110124536LUBRICANT COMPOSITION - The lubricant base oil of the invention has excellent energy-conserving performance, low-temperature viscosity characteristics, and detergency. The composition contains: (A) a lubricant base oil composed of, based on the total base oil amount, 50 to 99.9 mass % of a lubricant base oil having a 100° C. kinematic viscosity of 1 to less than 5 mm05-26-2011

Patent applications by Shigeki Matsui, Yokohama-Shi JP

Shigeki Matsui, Chiyoda-Ku JP

Patent application numberDescriptionPublished
20120135900LUBRICANT OIL COMPOSITION AND METHOD FOR MAKING THE SAME - The lubricating oil composition of the invention comprises a lubricating base oil with a kinematic viscosity at 100° C. of 1-20 mm05-31-2012
20120157361LUBRICANT COMPOSITION - The lubricating oil composition of the invention includes a lubricating base oil with a kinematic viscosity at 100° C. of 1-6 mm06-21-2012
20140113848LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition for an internal combustion engine used mainly to drive a generator and to improve the fuel economy thereof. The composition comprises (A) a base oil being a hydrocarbon base oil having a ratio (CA/CB) of the proportion of the component of 24 or fewer carbon atoms (CA) and the proportion of the component of 25 or more carbon atoms (CB) in the carbon number distribution obtained by gas chromatography distillation of 2.0 or higher, the composition having a ratio (Vs/Vk) of the 80° C. high-temperature high-shear (HTHS) viscosity (Vk) and the 150° C. HTHS viscosity (Vs) of 0.35 or higher and a 100° C. kinematic viscosity of 2.5 mm04-24-2014
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