Patents by Inventor Fumiya Hirano
Fumiya Hirano 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).
-
Publication number: 20230140237Abstract: Provided is a heat-curable maleimide resin composition capable of yielding a cured product having excellent dielectric properties even in the high-frequency region, a low water absorption rate, and a high glass-transition temperature. The heat-curable maleimide resin composition contains: (A) two or more kinds of maleimide compound having at least one dimer acid frame-derived hydrocarbon group per molecule; and (B) a reaction initiator, wherein a cured product of the heat-curable maleimide resin composition has a dielectric tangent of not larger than 0.003 both at 10 GHz and 40 GHz.Type: ApplicationFiled: October 21, 2022Publication date: May 4, 2023Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Yoshihiro TSUTSUMI, Shinsuke YAMAGUCHI, Yuki KUDO, Hiroyuki IGUCHI, Fumiya HIRANO, Atsushi TSUURA, Tadaharu IKEDA
-
Patent number: 11235513Abstract: Provided is a method for manufacturing a three-dimensional structure, capable of yielding a three dimensional structure that excels in buildability. The method for manufacturing a three-dimensional structure, comprises melting a filament that contains a thermoplastic resin by using a 3D printer, and depositing it onto a base, and comprising bonding the filament at one end of the filament to a surface of the base so as to achieve a bond strength to the base of 15 N or larger, and discharging the filament through a nozzle of the 3D printer onto a surface of the base so as to deposit thereon, while moving at least one of the base or the nozzle.Type: GrantFiled: January 16, 2017Date of Patent: February 1, 2022Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Asami Nakai, Akio Ohtani, Hiroto Ito, Fumiya Hirano, Nobuki Hirooka, Nobuhiko Matsumoto
-
Publication number: 20210347111Abstract: Provided is the method for manufacturing a three-dimensional structure with a less amount of internal voids or bubbles, and also to provide a 3D printer filament used for manufacturing such three-dimensional structure. The method for manufacturing a three-dimensional structure, the method comprises melting and depositing a filament using a 3D printer, the filament comprising a commingled yarn that contains a continuous reinforcing fiber (A) and a continuous thermoplastic resin fiber (B), with a dispersity of the continuous reinforcing fiber (A) in the commingled yarn of 60 to 100%.Type: ApplicationFiled: July 20, 2021Publication date: November 11, 2021Inventors: Asami NAKAI, Akio OHTANI, Hiroto ITO, Fumiya HIRANO, Nobuki HIROOKA, Nobuhiko MATSUMOTO
-
Patent number: 11117312Abstract: Provided is the method for manufacturing a three-dimensional structure with a less amount of internal voids or bubbles, and also to provide a 3D printer filament used for manufacturing such three-dimensional structure. The method for manufacturing a three-dimensional structure, the method comprises melting and depositing a filament using a 3D printer, the filament comprising a commingled yarn that contains a continuous reinforcing fiber (A) and a continuous thermoplastic resin fiber (B), with a dispersity of the continuous reinforcing fiber (A) in the commingled yarn of 60 to 100%.Type: GrantFiled: January 16, 2017Date of Patent: September 14, 2021Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Asami Nakai, Akio Ohtani, Hiroto Ito, Fumiya Hirano, Nobuki Hirooka, Nobuhiko Matsumoto
-
Publication number: 20210060851Abstract: Provided is the method for manufacturing a three-dimensional structure with a less amount of internal voids or bubbles, and also to provide a 3D printer filament used for manufacturing such three-dimensional structure. The method for manufacturing a three-dimensional structure, the method comprises melting and depositing a filament using a 3D printer, the filament comprising a commingled yarn that contains a continuous reinforcing fiber (A) and a continuous thermoplastic resin fiber (B), with a dispersity of the continuous reinforcing fiber (A) in the commingled yarn of 60 to 100%.Type: ApplicationFiled: January 16, 2017Publication date: March 4, 2021Inventors: Asami NAKAI, Akio OHTANI, Hiroto ITO, Fumiya HIRANO, Nobuki HIROOKA, Nobuhiko MATSUMOTO
-
Publication number: 20200061906Abstract: Provided is a method for manufacturing a three-dimensional structure, capable of yielding a three dimensional structure that excels in buildability. The method for manufacturing a three-dimensional structure, comprises melting a filament that contains a thermoplastic resin by using a 3D printer, and depositing it onto a base, and comprising bonding the filament at one end of the filament to a surface of the base so as to achieve a bond strength to the base of 15 N or larger, and discharging the filament through a nozzle of the 3D printer onto a surface of the base so as to deposit thereon, while moving at least one of the base or the nozzle.Type: ApplicationFiled: January 16, 2017Publication date: February 27, 2020Inventors: Asami NAKAI, Akio OHTANI, Hiroto ITO, Fumiya HIRANO, Nobuki HIROOKA, Nobuhiko MATSUMOTO
-
Patent number: 5294629Abstract: A novel benzothiazole or benzimidazole derivative represented by formula (I) ##STR1## wherein X represents a sulfur atom or a NH group; R.sup.1 represents a hydrogen atom, a lower alkoxy group, a chlorine atom, a bromine atom or an iodine atom; R.sup.2 represents a hydrogen atom a substituted or unsubstituted lower alkyl group, a vinyl group, an aryl group or an acyl group; m is an integer of 1, 2 or 3; and n is an integer of 0, 1 or 2, which shows an excellent acid secretion suppressing effect and gastric mucosa protecting effect, and an antiulcer agent containing the same as an active ingredient.Type: GrantFiled: March 25, 1993Date of Patent: March 15, 1994Assignee: Meiji Seika Kaisha, Ltd.Inventors: Tomoya Machinami, Kazue Yasufuku, Seiji Shibahara, Fumiya Hirano, Yasukatsu Yuda, Motohiro Nishio, Yuji Matsuhashi, Takashi Tsuruoka, Kiyoaki Katano, Shigeharu Inoye
-
Patent number: 5200407Abstract: Compounds of the general formula (I): ##STR1## and pharmaceutically acceptable salts thereof, in which A, B, C and D each represent --CH.dbd. or --N.dbd., with the proviso that at least one of them is --N.dbd.;X represents --NH--, --O-- or --S--;Y represents --(CH.sub.2).sub.p -- wherein p is an integer from 0 to 4, --C(CH.sub.3).sub.2 --, --CH.sub.2 CH.dbd.CH--, --CH.sub.2 CO--, --CF.sub.2 -- or --CH.sub.2 COCH.sub.2 --;R.sup.1 represents a hydrogen atom, a C.sub.1-4 alkyl group, a halogen atom or a C.sub.1-4 alkoxy group;R.sup.2 represents a hydrogen atom, a hydroxyl group, a saturated or unsaturated C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy group, a carboxyl group, a saturated or unsaturated C.sub.Type: GrantFiled: June 14, 1991Date of Patent: April 6, 1993Assignee: Meiji Seika Kaburhiki KaishaInventors: Kiyoaki Katano, Tamako Tomomoto, Hiroko Ogino, Naoki Yamazaki, Fumiya Hirano, Yasukatsu Yuda, Fukio Konno, Motohiro Nishio, Tomoya Machinami, Seiji Shibahara, Takashi Tsuruoka, Shigeharu Inouye
-
Patent number: 5185347Abstract: A piperidine compound represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group having from 1 to 4 carbon atoms, a lower alkoxy group having from 1 to 4 carbon atoms, a hydroxymethyl group, --CO.sub.2 R.sup.3, or ##STR2## wherein R.sup.3 represents a hydrogen atom or a lower alkyl group having from 1 to 4 carbon atoms; R.sup.4 represents a hydroxyl group, a lower alkoxy group having from 1 to 4 carbon atoms or --NR.sup.6 R.sup.7 (wherein R.sup.6 and R.sup.7, which may be the same or different, each represent a hydrogen atom or a lower alkyl group having from 1 to 4 carbon atoms); and R.sup.5 represents a hydrogen atom, a lower alkanoyl group having from 1 to 4 carbon atoms, or a chlorobenzoyl group; R.sup.Type: GrantFiled: May 16, 1991Date of Patent: February 9, 1993Assignee: Meiji Seika Kaisha Ltd.Inventors: Kiyoaki Katano, Tamako Tomomoto, Hiroko Ogino, Fumiya Hirano, Yasukatsu Yuda, Fukio Konno, Tomoya Machinami, Takashi Tsuruoka, Shigeharu Inoye
-
Patent number: 5171746Abstract: A thiazole or imidazole derivative having the general formula (I): ##STR1## wherein: R.sup.1 and R.sup.2, which may be the same or different, each independently represent a hydrogen atom, or a phenyl or heteroaryl group, or R.sup.1 and R.sup.2 may together form a benzene ring which may be optionally substituted by a halogen atom or a lower alkyl optionally substituted by a halogen atom, lower alkoxy or nitro group;A represents a sulfur atom or --NH--;B represents a lower alkoxy group optionally substituted by a halogen atom; a five- or six-membered saturated heterocyclic ring containing one nitrogen or oxygen atom which ring may be optionally substituted; a six-membered saturated heterocyclic ring containing one oxygen atom plus one nitrogen atom; a group --XR.sup.3 where X represents a group --NR.sup.4 wherein R.sup.3 and R.sup.4, which may be the same or different, each independently represent a lower alkyl group; or a group --NHC(.dbd.Y)R.sup.5 where Y represents an oxygen or sulfur atom or a group .dbd.Type: GrantFiled: April 9, 1991Date of Patent: December 15, 1992Assignee: Meiji Seika Kabushiki KaishaInventors: Tomoya Machinami, Kazue Yasufuku, Seiji Shibahara, Yasukatsu Yuda, Fumiya Hirano
-
Patent number: 5141946Abstract: Compounds of the general formula (I): ##STR1## and pharmaceutically acceptable salts thereof, in whichA, B, C and D each represent --CH.dbd. or --N.dbd., with the proviso that at least one of them is --N.dbd.;X represents --NH--, --O-- or --S--;Y represents --(CH.sub.2).sub.p -- wherein p is an integer from 0 to 4, --C(CH.sub.3).sub.2 --, --CH.sub.2 CH.dbd.CH--, --CH.sub.2 CO--, --CF.sub.2 -- or --CH.sub.2 COCH.sub.2 --;R.sup.1 represents a hydrogen atom, a C.sub.1-4 alkyl group, a halogen atom or a C.sub.1-4 alkoxy group;R.sup.2 represnts a hydrogen atom, a hydroxyl group, a saturated or unsaturated C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy group, a carboxyl group, a saturated or unsaturated C.sub.Type: GrantFiled: June 14, 1991Date of Patent: August 25, 1992Assignee: Meiji Seika Kabushiki KaishaInventors: Kiyoaki Katano, Tamako Tomomoto, Hiroko Ogino, Naoki Yamazaki, Fumiya Hirano, Yasukatsu Yuda, Fukio Konno, Motohiro Nishio, Tomoya Machinami, Seiji Shibahara, Takashi Tsuruoka, Shigeharu Inouye
-
Patent number: 5079255Abstract: Compounds of the general formula (I): ##STR1## and pharmaceutically acceptable salts thereof, in which A, B, C and D each represent --CH.dbd. or --N.dbd., with the proviso that at least one of them is --N.dbd.;X represents --NH--, --O-- or --S--;Y represents --(CH.sub.2).sub.p -- wherein p is an integer from 0 to 4, --C(CH.sub.3).sub.2 --, --CH.sub.2 CH.dbd.CH--, --CH.sub.2 CO--, --CF.sub.2 -- or --CH.sub.2 COCH.sub.2 --;R.sup.1 represents a hydrogen atom, a C.sub.1-4 alkyl group, a halogen atom or a C.sub.1-4 alkoxy group;R.sup.2 represents a hydrogen atom, a hydroxyl group, a saturated or unsaturated C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy group, a carboxyl group, a saturated or unsaturated C.sub.Type: GrantFiled: June 27, 1990Date of Patent: January 7, 1992Assignee: Meiji Seika Kabushiki KaishaInventors: Kiyoaki Katano, Tamako Tomomoto, Hiroko Ogino, Yamazaki Naoki, Fumiya Hirano, Yasukatsu Yuda, Fukio Konno, Motohiro Nishio, Tomoya Machinami, Seiji Shibahara, Takashi Tsuruoka, Shigeharu Inouye
-
Patent number: 4555404Abstract: Sodium 7.beta.-(2D-2-amino-2-carboxyethylthioacetamido)-7.alpha.-methoxy-3-(1-met hyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylate heptahydrate and a method of obtaining it from the corresponding carboxylate.Type: GrantFiled: May 16, 1983Date of Patent: November 26, 1985Assignee: Meiji Seika Kaisha, Ltd.Inventors: Ken Nishihata, Katsuharu Iinuma, Hitoshi Yamada, Fumiya Hirano, Takashi Tsuruoka