Patents by Inventor Morinobu Kawamura
Morinobu Kawamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230282902Abstract: A method for manufacturing a battery module including a plurality of solid-state battery cells includes a cell arrangement step of arranging the plurality of solid-state battery cells in a manner of being not in contact with one another in a laminate direction, and restraining the plurality of solid-state battery cells by a restraining member including a fixing portion configured to fix each of the solid-state battery cells, a filling step of filling a space between the solid-state battery cells among the plurality of solid-state battery cells arranged in the laminate direction with a foamable material, and a foaming step of foaming the filled foamable material.Type: ApplicationFiled: February 27, 2023Publication date: September 7, 2023Applicant: HONDA MOTOR CO., LTD.Inventors: Yosuke YOSHIZAWA, Hidemasa USUI, Morinobu KAWAMURA
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Patent number: 10081778Abstract: The invention provides a grease composition for hub unit bearing, having (a) as a base oil a mixture of a hydrocarbon synthetic oil and an ester type synthetic oil, with the content of the ester type synthetic oil being 20 to 50 parts by mass with respect to 100 parts by mass of the total of the hydrocarbon synthetic oil and the ester type synthetic oil, and the base oil having a kinematic viscosity at 40° C. of 20 to 80 mm2/s, and (b) as a thickener a urea compound.Type: GrantFiled: October 30, 2013Date of Patent: September 25, 2018Assignees: KYODO YUSHI CO., LTD., HONDA MOTOR CO., LTD.Inventors: Daisuke Tsutsui, Yuta Sato, Junichi Imai, Morinobu Kawamura
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Publication number: 20150299608Abstract: The invention provides a grease composition for hub unit bearing, having (a) as a base oil a mixture of a hydrocarbon synthetic oil and an ester type synthetic oil, with the content of the ester type synthetic oil being 20 to 50 parts by mass with respect to 100 parts by mass of the total of the hydrocarbon synthetic oil and the ester type synthetic oil, and the base oil having a kinematic viscosity at 40° C. of 20 to 80 mm2/s, and (b) as a thickener a urea compound.Type: ApplicationFiled: October 30, 2013Publication date: October 22, 2015Applicants: HONDA MOTOR CO., LTD., KYODO YUSHI CO., LTD.Inventors: Daisuke TSUTSUI, Yuta SATO, Junichi IMAI, Morinobu KAWAMURA
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Patent number: 8998500Abstract: A bearing seal structure includes: a ridge portion provided on an inner race; a groove portion provided on an outer race; and a grease reservoir that is defined by the ridge portion and the groove portion and contains grease for providing a seal between the inner race and outer race.Type: GrantFiled: December 16, 2011Date of Patent: April 7, 2015Assignee: Honda Motor Co., Ltd.Inventors: Morinobu Kawamura, Tasuku Sakurai
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Patent number: 8894289Abstract: A sealing device for an axle bearing includes a lubricant maintained on sliding contact surfaces, thereby suppressing elevation of torque due to the depletion of grease. A lubricant-adsorbing layer comprises a thickener and a binder. The lubricant comprises a base oil and a thickener. The thickener and the thickener are mutually attracted. A lubricant layer of a prescribed thickness is formed on the lubricant-adsorbing layer. This lubricant layer adheres closely to the lubricant-adsorbing layer making it difficult to separate the lubricant layer from the lubricant-adsorbing layer.Type: GrantFiled: May 25, 2012Date of Patent: November 25, 2014Assignee: Honda Motor Co., Ltd.Inventors: Tasuku Sakurai, Morinobu Kawamura
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Publication number: 20140093200Abstract: In the present invention, disclosed is a sealing device for an axle bearing wherein a lubricant is maintained on sliding contact surfaces, thereby suppressing elevation of torque due to the depletion of grease. A lubricant-adsorbing layer (40) comprises a thickener (41) and a binder (42). The lubricant (25) comprises a base oil (43) and a thickener (41B). The thickener (41) and the thickener (41B) are mutually attracted. A lubricant layer (44) of a prescribed thickness is formed on the lubricant-adsorbing layer (40). This lubricant layer (44) adheres closely to the lubricant-adsorbing layer (40) making it difficult to separate the lubricant layer from the lubricant-adsorbing layer (40).Type: ApplicationFiled: May 25, 2012Publication date: April 3, 2014Applicant: HONDA MOTOR CO., LTD.Inventors: Tasuku Sakurai, Morinobu Kawamura
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Publication number: 20120155791Abstract: A bearing seal structure includes: a ridge portion provided on an inner race; a groove portion provided on an outer race; and a grease reservoir that is defined by the ridge portion and the groove portion and contains grease for providing a seal between the inner race and outer race.Type: ApplicationFiled: December 16, 2011Publication date: June 21, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Morinobu Kawamura, Tasuku Sakurai
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Patent number: 7931405Abstract: A sliding part comprises a first sliding member made of a steel, a second sliding member made of a steel, a first carbide film comprising a carbide and formed on the surface of the first sliding member, and a second carbide film comprising a carbide and formed on the surface of the second sliding member. The first sliding member and the second sliding member slide relative to each other while applying loads on each other. The carbide of the first carbide film and the carbide of the second carbide film differ from each other, and the hardness ratio of the first carbide film and the second carbide film is not more than 1.4.Type: GrantFiled: April 11, 2008Date of Patent: April 26, 2011Assignee: Honda Motor Co., Ltd.Inventors: Akira Fujiwara, Morinobu Kawamura
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Patent number: 7568334Abstract: A pin is relatively rotatably fitted into a pin hole formed in an outer link plate of a chain. A plurality of helical grooves are formed on an outer circumferential surface of the pin. A pitch P between adjacent helical grooves in the axial direction is equal to or less than a width in the axial direction of the pin hole of the outer link plate. At least one helical groove is arranged to oppose an arbitrary generatrix on an inner circumferential surface of the pin hole. Also, when a radius of the pin is R and a relative rotation angle with the mating member is ?, a pitch P? in the circumferential direction between adjacent helical grooves is R? or less. Thus, at least one helical groove is arranged to always pass each position in a sliding range between the pin and the pin hole.Type: GrantFiled: January 8, 2007Date of Patent: August 4, 2009Assignee: Honda Motor Co., Ltd.Inventors: Akira Fujiwara, Morinobu Kawamura
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Publication number: 20080273827Abstract: A sliding part comprises a first sliding member made of a steel, a second sliding member made of a steel, a first carbide film comprising a carbide and formed on the surface of the first sliding member, and a second carbide film comprising a carbide and formed on the surface of the second sliding member. The first sliding member and the second sliding member slide relative to each other while applying loads on each other. The carbide of the first carbide film and the carbide of the second carbide film differ from each other, and the hardness ratio of the first carbide film and the second carbide film is not more than 1.4.Type: ApplicationFiled: April 11, 2008Publication date: November 6, 2008Applicant: HONDA MOTOR CO., LTD.Inventors: Akira FUJIWARA, Morinobu Kawamura
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Publication number: 20080015071Abstract: A pin is relatively rotatably fitted into a pin hole formed in an outer link plate of a chain. A plurality of helical grooves are formed on an outer circumferential surface of the pin. A pitch P between adjacent helical grooves in the axial direction is equal to or less than a width in the axial direction of the pin hole of the outer link plate. At least one helical groove is arranged to oppose an arbitrary generatrix on an inner circumferential surface of the pin hole. Also, when a radius of the pin is R and a relative rotation angle with the mating member is ?, a pitch P? in the circumferential direction between adjacent helical grooves is R? or less. Thus, at least one helical groove is arranged to always pass each position in a sliding range between the pin and the pin hole.Type: ApplicationFiled: January 8, 2007Publication date: January 17, 2008Inventors: Akira Fujiwara, Morinobu Kawamura
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Publication number: 20060269763Abstract: A steel parts having an improved high wear and abrasion resistance is provided. The steel parts can be manufactured by a method wherein a steel parts containing 0.5 to 1.2 wt % of carbon is subjected to a chromium cementation treatment at a temperature of 1,000 to 1,100° C. with a cementing agent mainly consisting of carbide particles selected from the group consisting of Vanadium Carbide, Titanium Carbide, Niobium Carbide, Tungsten Carbide, Hafnium Carbide and Zirconium Carbide; metallic chromium and a sintering inhibitor to make an outermost surface of chromium carbide formed on the steel parts being dispersed with carbide particles selected from the group consisting of Vanadium Carbide, Titanium Carbide, Niobium Carbide, Tungsten Carbide, Hafnium Carbide and Zirconium Carbide.Type: ApplicationFiled: May 31, 2006Publication date: November 30, 2006Inventors: Satoshi Nakano, Rihei Yoshikawa, Morinobu Kawamura, Akira Fujiwara
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Patent number: 7140778Abstract: A resin composite for use in the manufacture of slide bearings is formed of a resin and fine particles of RBC or CRBC dispersed in the resin. The resin composite can be molded into slide bearings.Type: GrantFiled: February 28, 2003Date of Patent: November 28, 2006Assignee: Minebea Co., Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura
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Patent number: 7132155Abstract: A foam-molded synthetic resin material in which a RBC or CRBC fine powder and bubbles are homogeneously dispersed. There is provided an electrically conductive molded resin material of sufficient porosity by using a fine powder of RB ceramics (RBC) or CRB ceramics (CRBC), in which a surface thereof is not covered with a skin layer while an electrically conductive material is directly bared on the surface, and a method for preparing same and uses thereof.Type: GrantFiled: December 12, 2002Date of Patent: November 7, 2006Assignee: Minebea Co., Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura
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Patent number: 7008196Abstract: The electrically motorized pump has a low energy loss because it uses of the shaft and the sleeve made from synthetic resin composition obtained by uniformly dispersing fine powder of RBC or CRBC in a resin. The typical process for the production of a synthetic resin composition for making the sleeve bearing for the pump for use in water includes kneading with a resin the fine powder of RBC or CRBC at a temperature in the neighborhood of the melting point of the resin, and thereby uniformly dispersing the fine powder of RBC or CRBC in the resin. Fibers, such as glass fibers, may be blended with the fine powder of RBC or CRBC and the resin.Type: GrantFiled: March 11, 2004Date of Patent: March 7, 2006Assignee: Minebea Co. Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura
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Publication number: 20050124750Abstract: According to the invention, a synthetic resin composition for the manufacture of parts which require a low coefficient of friction for example bearing parts or other sliding parts having a number of desirable properties is provided. The resin composition is made of a fine powder of RBC, CRBC and mixtures of RBC and CRBC dispersed in a synthetic resin. The RBC and/or CRBC fine powder have an average particle diameter of less than 10 ?m, optionally 1 to less than 10 ?m, preferably 1 ?m to 5 ?m. Desirably the weight percent of the RBC and/or CRBC is from 10% to 70% preferably from 30% to 70% of the entire composition and is uniformly dispersed in the resin. In another aspect of the invention, parts desirably having particularly a low coefficient of friction are fabricated according to the invention from the resin composition.Type: ApplicationFiled: September 16, 2004Publication date: June 9, 2005Applicant: Minebea Co., Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura
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Publication number: 20040258334Abstract: A sleeve bearing for use in water, the sleeve bearing having a shaft and a sleeve is disclosed. The sleeve or the shaft is made of a synthetic resin composition obtained by uniformly dispersing fine powder of RBC or CRBC in a resin. The synthetic resin composition may have blended with it inorganic fibers and/or organic fibers. The sleeve bearing has low coefficient of friction in water.Type: ApplicationFiled: February 26, 2004Publication date: December 23, 2004Applicant: Minebea Co., Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura
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Publication number: 20040258544Abstract: The electrically motorized pump has a low energy loss because it uses of the shaft and the sleeve made from synthetic resin composition obtained by uniformly dispersing fine powder of RBC or CRBC in a resin. The typical process for the production of a synthetic resin composition for making the sleeve bearing for the pump for use in water includes kneading with a resin the fine powder of RBC or CRBC at a temperature in the neighborhood of the melting point of the resin, and thereby uniformly dispersing the fine powder of RBC or CRBC in the resin. Fibers, such as glass fibers, may be blended with the fine powder of RBC or CRBC and the resin.Type: ApplicationFiled: March 11, 2004Publication date: December 23, 2004Applicant: Minebea Co., Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura
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Publication number: 20040013333Abstract: A resin composite for use in the manufacture of slide bearings is formed of a resin and fine particles of RBC or CRBC dispersed in the resin. The resin composite can be molded into slide bearings.Type: ApplicationFiled: February 28, 2003Publication date: January 22, 2004Applicant: Minebea, Co., Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura
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Publication number: 20030220421Abstract: A low noise composition includes fine particles of RBC or CRBC dispersed in a synthetic resin. The composition can be formed into an article of manufacture prepared by molding the composition.Type: ApplicationFiled: February 28, 2003Publication date: November 27, 2003Applicant: Minebea, Co., Ltd.Inventors: Kazuo Hokkirigawa, Motoharu Akiyama, Morinobu Kawamura