Patents by Inventor Masaki Minami
Masaki Minami 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: 20190119447Abstract: There are provided a benzoxazine compound-containing curable resin composition and a cured product obtained from the curable resin composition. The cured product can have a high strength and a high heat resistance, and therefore can be used under a severer condition in the fields of adhesive, sealant, paint, matrix resin for composite material, and the like. The curable resin composition contains (A) a polyfunctional benzoxazine compound having at least two benzoxazine rings and (B) a polyfunctional epoxy compound having at least one norbornane structure and at least two epoxy groups. The polyfunctional benzoxazine compound of (A) is a first benzoxazine compound or a second benzoxazine compound. The first benzoxazine compound is a compound having at least two benzoxazine ring structures represented by the following formula (1), and the second benzoxazine compound is represented by the following formula (2).Type: ApplicationFiled: April 28, 2017Publication date: April 25, 2019Applicant: JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Masaki MINAMI, Atsushi KAMEYAMA, Ryuichi UENO
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Patent number: 10081157Abstract: A fiber-reinforced composite material is provided which is capable of achieving CAI, ILSS, and interlaminar fracture toughness concurrently at high levels, in particular, capable of achieving high CAI. The composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein a cured product of a compound having in its molecule a benzoxazine ring of formula (1) and epoxy resin is impregnated with at least polyamide 12 powder: (R1: C1-C12 chain alkyl group or the like; H is bonded to at least one of the carbon atoms of the aromatic ring at ortho- or para-position with respect to C to which the oxygen atom is bonded).Type: GrantFiled: February 12, 2013Date of Patent: September 25, 2018Assignees: JX NIPPON OIL & ENERGY CORPORATION, SUBARU CORPORATIONInventors: Yoshihiro Fukuda, Takayuki Matsumoto, Masaki Minami, Naoyuki Sekine, Masanori Nakajima
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Patent number: 9745471Abstract: A prepreg 10 comprises: a reinforcing fiber layer 3 including reinforcing fibers 1 and a resin composition 2 with which the space between fibers of the reinforcing fibers 1 is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer 6a or 6b provided on at least one surface of the reinforcing fiber layer 3 and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule, and (D) polyamide resin particles 4 having an average particle size of 5 to 50 ?m, wherein the polyamide resin particles 4 include a particle made of a polyamide 11.Type: GrantFiled: March 24, 2014Date of Patent: August 29, 2017Assignees: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Yoshihiro Fukuda, Takayuki Matsumoto, Masaki Minami, Naoyuki Sekine, Masanori Nakajima
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Patent number: 9548290Abstract: A semiconductor device includes a semiconductor element, a connection electrode formed on the semiconductor element, and alignment marks formed on the semiconductor element. At least one of the alignment marks is made of a magnetic material.Type: GrantFiled: June 2, 2012Date of Patent: January 17, 2017Assignee: Sony CorporationInventors: Satoru Wakiyama, Masaki Minami
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Publication number: 20160297942Abstract: A production method for a fiber-reinforced composite material comprises: a step of stacking a prepreg plurally to obtain a prepreg-stacked body; and a step of heating the prepreg-stacked body to cure a resin, wherein the prepreg comprises: a reinforcing fiber layer including reinforcing fibers and a resin composition with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer provided on at least one surface of the reinforcing fiber layer and containing (A) to (C) components, and (D) polyamide resin particles having an average particle size of 5 to 50 ?m.Type: ApplicationFiled: October 28, 2014Publication date: October 13, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Masaki MINAMI, Takayuki MATSUMOTO, Yoshihiro FUKUDA, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160289404Abstract: The prepreg comprises: a reinforcing fiber layer including reinforcing fibers and a resin composition with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer provided on a surface of the reinforcing fiber layer and containing (A) to (C) components, and (D) polyamide resin particles having an average particle size of 5 to 50 ?m, wherein the polyamide resin particles include polyamide resin particles made of copolymers in which caprolactam and laurolactam are copolymerized at a molar ratio of 1:9 to 3:7 and at a molar ratio of 9:1 to 7:3, respectively.Type: ApplicationFiled: October 28, 2014Publication date: October 6, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Masaki MINAMI, Takayuki MATSUMOTO, Yoshihiro FUKUDA, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160289403Abstract: The prepreg comprises: a reinforcing fiber layer including reinforcing fibers and a resin composition with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer provided on a surface of the reinforcing fiber layer and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule, and (D) polyamide resin particles having an average particle size of 5 to 50 ?m, wherein the polyamide resin particles include a polyamide resin particle made of a copolymer in which caprolactam and laurolactam are copolymerized at a molar ratio of 1:9 to 3:7 and a polyamide 1010 resin particle.Type: ApplicationFiled: October 28, 2014Publication date: October 6, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Masaki MINAMI, Takayuki MATSUMOTO, Yoshihiro FUKUDA, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160289405Abstract: The prepreg comprises: a reinforcing fiber layer including reinforcing fibers and a resin composition with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer provided on a surface of the reinforcing fiber layer and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule, and (D) polyamide resin particles having an average particle size of 5 to 50 ?m, wherein the polyamide resin particles include a polyamide 12 resin particle and a polyamide 1010 resin particle.Type: ApplicationFiled: October 28, 2014Publication date: October 6, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Masaki MINAMI, Takayuki MATSUMOTO, Yoshihiro FUKUDA, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160280872Abstract: The prepreg comprises: a reinforcing fiber layer including reinforcing fibers and a resin composition with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer provided on a surface of the reinforcing fiber layer and containing the (A) to (C) components, and (D) polyamide resin particles having an average particle size of 5 to 50 ?m, wherein the polyamide resin particles include a polyamide 12 resin particle and a polyamide resin particle made of a copolymer in which caprolactam and laurolactam are copolymerized at a molar ratio of 9:1 to 7:3.Type: ApplicationFiled: October 28, 2014Publication date: September 29, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Masaki MINAMI, Takayuki MATSUMOTO, Yoshihiro FUKUDA, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160083541Abstract: A production method for a fiber-reinforced composite material comprises: a first step of stacking a prepreg including: a reinforcing fiber layer including reinforcing fibers and a resin composition with which the space between fibers of the reinforcing fibers is impregnated and a surface layer provided on at least one surface of the reinforcing fiber layer and containing polyamide resin particles having an average particle size of 5 to 50 ?m and a melting point of 175 to 210° C. plurally and performing heating at a temperature of 120° C. or more and less than M1° C. when the melting point of the polyamide resin particles measured in the composition forming the surface layer is denoted by M1° C.; and a second step of performing heating at a temperature of M1° C. or more after the first step to cure the resin.Type: ApplicationFiled: March 24, 2014Publication date: March 24, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Yoshihiro FUKUDA, Takayuki MATSUMOTO, Masaki MINAMI, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160083582Abstract: A prepreg 10 comprises: a reinforcing fiber layer 3 including reinforcing fibers 1 and a resin composition 2 with which the space between fibers of the reinforcing fibers 1 is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer 6a or 6b provided on at least one surface of the reinforcing fiber layer 3 and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule, and (D) polyamide resin particles 4 having an average particle size of 5 to 50 ?m, wherein the polyamide resin particles 4 include a particle made of a polyamide 11.Type: ApplicationFiled: March 24, 2014Publication date: March 24, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Yoshihiro FUKUDA, Takayuki MATSUMOTO, Masaki MINAMI, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160046776Abstract: A prepreg 10 comprises: a reinforcing fiber layer 3 including reinforcing fibers 1 and a resin composition 2 with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent represented by the following formula (C-1); and surface layers 6a and 6b provided on the surfaces of the reinforcing fiber layer 3 and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent represented by the following formula (C-1), and (D) polyamide resin particles 4 having an average particle size of 5 to 50 wherein the polyamide resin particles 4 include a polyamide 12 resin particle or a polyamide 1010 resin particle.Type: ApplicationFiled: March 24, 2014Publication date: February 18, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Yoshihiro FUKUDA, Takayuki MATSUMOTO, Masaki MINAMI, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160039984Abstract: A prepreg 10 comprises: a reinforcing fiber layer 3 including reinforcing fibers 1 and a resin composition 2 with which the space between fibers of the reinforcing fibers is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and surface layers 6a and 6b provided on the surfaces of the reinforcing fiber layer 3 and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule, and (D) polyamide resin particles 4 having an average particle size of 5 to 50 ?m, wherein the polyamide resin particles 4 include the polyamide 1010 resin particle.Type: ApplicationFiled: March 24, 2014Publication date: February 11, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHA, JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Yoshihiro FUKUDA, Takayuki MATSUMOTO, Masaki MINAMI, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20160032065Abstract: A prepreg 10 comprises: a reinforcing fiber layer 3 including reinforcing fibers 1 and a resin composition 2 with which the space between fibers thereof is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups; and surface layers 6a and 6b provided on the surfaces of the reinforcing fiber layer 3 and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups, and (D) polyamide resin particles 4 having an average particle size of 5 to 50 wherein the polyamide resin particles 4 include a particle made of a copolymer in which caprolactam and laurolactam are copolymerized at a molar ratio of 9:1 to 7:3 and having a melting point of 180° C. or more.Type: ApplicationFiled: March 24, 2014Publication date: February 4, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, FUJI JUKOGYO KABUSHIKI KAISHAInventors: Yoshihiro FUKUDA, Takayuki MATSUMOTO, Masaki MINAMI, Naoyuki SEKINE, Masanori NAKAJIMA
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Publication number: 20150274913Abstract: Provided are a carbon-fiber-reinforced composite material having a low saturated water absorption and excellent TML, CVCM, and heat resistance, a robot hand, and a prepreg suitable therefor. The prepreg includes a CFRP sheet composed of resin composition (a) containing 100 parts by mass of cyanate ester resin (a1) having in its molecule not less than 2 cyanate groups, 0.01 to 0.5 parts by mass of metal coordination catalyst (a2), and 1 to 20 parts by mass of thermoplastic, toughness enhancer (a3), and carbon fibers (b) containing carbon fibers (b1) having a tensile elastic modulus of not lower than 450 GPa. The prepreg is useful for a supporting section of a robot hand.Type: ApplicationFiled: March 30, 2015Publication date: October 1, 2015Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Shinichi TAKEMURA, Daisuke UCHIDA, Masaki MINAMI
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Publication number: 20150251394Abstract: A fiber-reinforced composite material is provided which is capable of achieving CAI, ILSS, and interlaminar fracture toughness concurrently at high levels, in particular, capable of achieving high CAI. The composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein a cured product of a compound having in its molecule a benzoxazine ring of formula (1) and epoxy resin is impregnated with at least polyamide 12 powder: (R1: C1-C12 chain alkyl group or the like; H is bonded to at least one of the carbon atoms of the aromatic ring at ortho- or para-position with respect to C to which the oxygen atom is bonded).Type: ApplicationFiled: February 12, 2013Publication date: September 10, 2015Applicants: FUJI JUKOGYO KABUSHIKI KAISHA, JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshihiro Fukuda, Takayuki Matsumoto, Masaki Minami, Naoyuki Sekine, Masanori Nakajima
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Publication number: 20150132553Abstract: Fiber-reinforced composite material is provided which is capable of achieving high levels of CAI, ILSS, and interlaminar fracture toughness concurrently, in particular, capable of achieving high ILSS at high CAI, temperature, and humidity. The fiber-reinforced composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein at least polyethersulphone particles are impregnated with a cured product of epoxy resin and a compound having in its molecule a benzoxazine ring represented by formula (1): wherein R1 has the same meaning as defined in the specification. The composite material is useful in automobile-, railroad-vehicle-, aircraft-, and ship-related applications, building components, such as windmills, and other general industry-related applications.Type: ApplicationFiled: June 25, 2013Publication date: May 14, 2015Applicants: FUJI JUKOGYO KABUSHIKI KAISHA, JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshihiro Fukuda, Takayuki Matsumoto, Masaki Minami, Naoyuki Sekine, Masanori Nakajima
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Publication number: 20150056882Abstract: A fiber-reinforced composite material is provided which is capable of achieving CAI, ILSS, and interlaminar fracture toughness concurrently at high levels, in particular, capable of achieving high CAI. The composite material is composed of a laminated body including a plurality of reinforcing-fiber-containing layers and a resin layer in each interlaminar region between adjacent reinforcing-fiber-containing layers, wherein the resin layer is a layer wherein a cured product of a compound having in its molecule a benzoxazine ring of formula (1) and epoxy resin is impregnated with at least polyamide 12 powder: (R1: C1-C12 chain alkyl group or the like; H is bonded to at least one of the carbon atoms of the aromatic ring at ortho- or para-position with respect to C to which the oxygen atom is bonded).Type: ApplicationFiled: February 12, 2013Publication date: February 26, 2015Applicants: FUJI JUKOGYO KABUSHIKI KAISHA, JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshihiro Fukuda, Takayuki Matsumoto, Masaki Minami, Naoyuki Sekine, Masanori Nakajima
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Publication number: 20150010760Abstract: A fiber-reinforced composite material can achieve dynamical properties at high levels, and can simultaneously improve Mode I interlaminar fracture toughness GIC and Mode II interlaminar fracture toughness GIIC. The fiber-reinforced composite material has a plurality of reinforcing-fiber-containing layers and an interposing resin layer between adjacent reinforcing-fiber-containing layers. The resin layer is composed of a cured product of a resin composition containing a compound having a benzoxazine ring of formula (1), epoxy resin, a curing agent, a toughness improver, and polyamide 12 powder. The composite material has a GIC of not lower than 300 J/m2, and a GIIC of not lower than 1000 J/m2: (R1: C1-C12 chain alkyl group; H is bonded to at least one of the carbon atoms of the aromatic ring at ortho- or para-position with respect to C to which the oxygen atom is bonded).Type: ApplicationFiled: February 12, 2013Publication date: January 8, 2015Applicants: FUJI JUKOGYO KABUSHIKI KAISHA, JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshihiro Fukuda, Takayuki Matsumoto, Masaki Minami, Naoyuki Sekine, Masanori Nakajima
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Patent number: 8471018Abstract: Disclosed is a novel photosensitizer that can absorb light in a wide visible light region and in the case of a very thin film form, can enhance a light absorption efficiency by virtue of a large light absorption coefficient.Type: GrantFiled: March 25, 2009Date of Patent: June 25, 2013Assignees: JX Nippon Oil & Energy Corporation, Nagoya Institute of TechnologyInventors: Noriyo Yamanaka, Masaki Minami, Tsutomu Nakamura, Hideki Masuda, Zhengzhe Jin