Patents by Inventor Masaki Okamoto
Masaki Okamoto 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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Patent number: 7989627Abstract: The present invention relates to a method for preparing an optically active cyclic alcohol compound represented by general formula [I]: [wherein R represents a hydrogen atom or a protecting group for amino group, and * represents an astymmetric carbon atom.] which comprises a step of subjecting a cyclic ketone compound represented by general formula [II]: [wherein R has the same meaning as defined above.]to asymmetric reduction (A) in the presence of an optically active oxazaborolidine compound and a boron hydride compound, or (B) in the presence of an asymmetric transition metal complex obtained from a transition metal compound and an asymmetric ligand and a hydrogen donor, and relates to said compound.Type: GrantFiled: October 4, 2006Date of Patent: August 2, 2011Assignee: Mitsubishi Tanabe Pharma CorporationInventors: Masaki Okamoto, Akira Sakuragi, Yoshikazu Mori, Muneki Kishida
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Publication number: 20110171855Abstract: A shield connector is provided with terminal fittings (10) having shield cables (11) connected thereto, a connector housing (20), into which the terminal fittings (10) are to be mounted, a shield shell (40) to be accommodated into the connector housing (20), and resilient pieces (45) each including a contact portion (47) which is provided on the shield shell (40) and comes into contact with a connection portion (19B) of the shield cable (11). Each resilient piece (45) includes projecting pieces (49) for preventing the resilient piece (45) from being excessively deformed by coming into contact with restricting portions (38) provided in the connector housing (20).Type: ApplicationFiled: January 11, 2011Publication date: July 14, 2011Applicant: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Michiyo Fujiwara, Masaki Okamoto
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Patent number: 7977140Abstract: A method for producing a solid-state imaging device includes steps of: forming transfer electrodes on a substrate having a plurality of light-sensing portions through a gate insulating layer so that the light-sensing portions are exposed; forming a planarized insulating layer on the substrate to cover the transfer electrodes formed on the substrate; forming openings in the planarized insulating layer so that each of the transfer electrodes is partly exposed out of the planarized insulating layer at a predetermined position; forming a wiring material layer so that the openings are filled with the wiring material layer; forming a resist layer on the wiring material layer; exposing and developing the resist layer so that only the resist layer in a predetermined area covering the openings is left; and patterning the wiring material layer using the exposed and developed resist layer to form connection wirings connected to the transfer electrodes by the openings.Type: GrantFiled: March 23, 2009Date of Patent: July 12, 2011Assignee: Sony CorporationInventors: Takeshi Takeda, Yukihiro Ando, Masaki Okamoto, Masayuki Okada, Kaori Takimoto, Katsuhisa Kugimiya, Tadayuki Kimura
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Patent number: 7972836Abstract: The present invention relates to a method for preparing an optically active 4-hydroxy-1,2,3,4-tetrahydroquinoline compound [I], which comprises the steps of: treating a racemic 4-hydroxy-1,2,3,4-tetrahydroquinoline compound represented by general formula [I]: [wherein R1 represents a hydrogen atom or a protecting group for amino group.] with an enzyme having an ability of selectively or preferentially acylating one enantiomer of the racemic compound [I] in the presence of an acyl donor; and if necessary, subjecting the reaction product to solvolysis.Type: GrantFiled: October 4, 2006Date of Patent: July 5, 2011Assignee: Mitsubishi Tanabe Pharma CorporationInventors: Masaki Okamoto, Akira Sakuragi, Muneki Kishida, Yoshikazu Mori
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Patent number: 7947697Abstract: 8-(3-pentylamino)-2-methyl-3-(2-chloro-4-methoxyphenyl)-6,7-dihydro-5H-cyclopenta[d]pyrazolo[1,5-a]pyrimidine methanesulfonate of the structural formula (I) has Corticotropin Releasing Factor (CRF) antagonist activity and is useful in treating neuropsychiatric and digestive system diseases.Type: GrantFiled: June 24, 2004Date of Patent: May 24, 2011Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Tomoyuki Hasegawa, Toshiaki Matsui, Hiroshi Araki, Tetsuji Saito, Tetsuo Obitsu, Masaki Okamoto, Yuichi Gemba, Yutaka Mikami
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Publication number: 20110086360Abstract: The present invention provides a method for detecting idiopathic interstitial pneumonia, which comprises measuring the expression level of a periostin gene or the amount of a periostin protein in a biological sample. Thereby, a method for detecting idiopathic interstitial pneumonia using a marker is provided.Type: ApplicationFiled: June 3, 2009Publication date: April 14, 2011Inventors: Kenji Izuhara, Shoichiro Ohta, Hiroshi Shiraishi, Hisamichi Aizawa, Tomoaki Hoshino, Masaki Okamoto
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Patent number: 7925843Abstract: A memory controller (1) writes data continuously to a first and a second blocks (20A), (20B) which are provided by dividing a memory region of a nonvolatile memory (2), and reads the data therefrom. The controller includes: a first writer (12A) which writes data to the first block (20A); and a second writer (12B) which writes data to the second block (20B) after completion of the writing by the first writer (12A) and a lapse of a waiting time generally equal to a length of time necessary for a power breakdown to drop a power source voltage down to a voltage value to at least disable the writing of data to the memory region.Type: GrantFiled: January 11, 2005Date of Patent: April 12, 2011Assignee: Fujitsu LimitedInventors: Keizo Ueno, Masaki Okamoto
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Patent number: 7904281Abstract: In a mounting process simulation system and a method thereof in accordance with the present invention, the respective simulations of a mounting process having a plurality of sequential steps are analyzed on the basis of condition parameters, a single evaluation value is created on the basis of the analysis results, and when the evaluation value does not reach a target value, an approximate function is created on the basis of the analysis results, a tentative parameter is created, and optimization is carried out again.Type: GrantFiled: July 23, 2004Date of Patent: March 8, 2011Assignee: Panasonic CorporationInventors: Masaki Okamoto, Hiroaki Fujiwara, Teppei Iwase
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Publication number: 20110048645Abstract: A high frequency sewing machine for intermittently transferring a work material mounted on a work material mounting plate by means of feed dogs which perform synthetic circular movement in horizontal and vertical directions and which cooperate with a presser foot to effect the continuous bonding of the overlapped portions of a fiber cloth which are continuously bonded together by means of a thermoplastic resin tape held between the overlapped portions of the fiber cloth in the work material to melt under high frequency dielectric heating. High frequency power is applied between a pair of planar electrodes respectively disposed above and below the work material during the time when the transfer by these feed dogs is stopped to effect the melting process. The occurrence of defective products having burn or the like due to heat concentration can be prevented while obtaining assured uniform bonding strength by using the high frequency power.Type: ApplicationFiled: August 2, 2010Publication date: March 3, 2011Applicant: Yamato Sewing Machine Seizo Co., Ltd.Inventors: Norio Nakata, Masaki Okamoto, Itsuo Sakai
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Publication number: 20100248541Abstract: A shield connector (C) includes a tubular metallic shield shell (30) integrally attached to the outer circumferential surface of a housing (10) made of resin by insert molding. The shield shell (30) is formed with a cut (32) extending between opposite ends in a longitudinal direction, and a pair of opening preventing pieces (34A, 34B) which extend radially inward or outward, circumferentially face each other and can come into contact with each other when edges (33A, 33B) at the opposite sides of the cut (32) are displaced in directions away from each other are provided on the opposite edges (33A, 33B) of the shield shell 30 facing each other with the cut (32) therebetween.Type: ApplicationFiled: March 17, 2010Publication date: September 30, 2010Applicant: SUMITOMO WIRING SYSTEMS, LTD.Inventor: Masaki Okamoto
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Publication number: 20100152451Abstract: The present invention relates to a method for preparing an optically active cyclic alcohol compound represented by general formula [I]: [wherein R represents a hydrogen atom or a protecting group for amino group, and * represents an asymmetric carbon atom.] which comprises a step of subjecting a cyclic ketone compound represented by general formula [II]: [wherein R has the same meaning as defined above.] to asymmetric reduction (A) in the presence of an optically active oxazaborolidine compound and a boron hydride compound, or (B) in the presence of an asymmetric transition metal complex obtained from a transition metal compound and an asymmetric ligand and a hydrogen donor, and relates to said compound.Type: ApplicationFiled: October 4, 2006Publication date: June 17, 2010Inventors: Masaki Okamoto, Akira Sakuragi, Yoshikazu Mori, Muneki Kishida
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Publication number: 20090292125Abstract: The present invention is to provide a process for preparing optically active tetrahydroquinoline derivatives which can be used for the treatment and/or prevention of diseases such as arteriosclerotic diseases, dyslipidemia and the like, and a process for preparing synthetic intermediates thereof. Specifically, (2R,4S)-2-ethyl-6-trifluoromethyl-1,2,3,4-tetrahydroquinolin-4-ylamine or a salt thereof is prepared with fewer steps without using an optical resolution, and the optically active tetrahydroquinoline derivatives are obtained from the amine compound.Type: ApplicationFiled: March 29, 2007Publication date: November 26, 2009Applicant: MITSUBISHI TANABE PHARMA CORPORATIONInventors: Masaki Okamoto, Akira Sakuragi, Yoshikazu Mori, Takeshi Hamada, Hitoshi Kubota, Yoshinori Nakamura, Takanori Higashijima, Norimitsu Hayashi
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Publication number: 20090269821Abstract: The present invention relates to a method for preparing an optically active 4-hydroxy-1,2,3,4-tetrahydroquinoline compound [I], which comprises the steps of: treating a racemic 4-hydroxy-1,2,3,4-tetrahydroquinoline compound represented by general formula [I]: [wherein R1 represents a hydrogen atom or a protecting group for amino group.] with an enzyme having an ability of selectively or preferentially acylating one enantiomer of the racemic compound [I] in the presence of an acyl donor; and if necessary, subjecting the reaction product to solvolysis.Type: ApplicationFiled: October 4, 2006Publication date: October 29, 2009Inventors: Masaki Okamoto, Akira Sakuragi, Muneki Kishida, Yoshikazu Mori
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Publication number: 20090263929Abstract: A method for producing a solid-state imaging device includes steps of: forming transfer electrodes on a substrate having a plurality of light-sensing portions through a gate insulating layer so that the light-sensing portions are exposed; forming a planarized insulating layer on the substrate to cover the transfer electrodes formed on the substrate; forming openings in the planarized insulating layer so that each of the transfer electrodes is partly exposed out of the planarized insulating layer at a predetermined position; forming a wiring material layer so that the openings are filled with the wiring material layer; forming a resist layer on the wiring material layer; exposing and developing the resist layer so that only the resist layer in a predetermined area covering the openings is left; and patterning the wiring material layer using the exposed and developed resist layer to form connection wirings connected to the transfer electrodes by the openings.Type: ApplicationFiled: March 23, 2009Publication date: October 22, 2009Applicant: Sony CorporationInventors: Takeshi Takeda, Yukihiro Ando, Masaki Okamoto, Masayuki Okada, Kaori Takimoto, Katsuhisa Kugimiya, Tadayuki Kimura
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Publication number: 20090152975Abstract: A central electricity distribution member for a rotary electric machine, comprising connecting bus bars of respective phases for connecting, among coils of respective phases wound around a stator of the rotary electric machine, the coils of the same phases; a connecting bus bar for a neutral point for connecting the coils of the same phases wound around the stator of the rotary electric machine; a circular holding groove capable of receiving the respective connecting bus bars as the respective connection bus bars are insulated from one another; a bus bar insulating portion formed using insulating material; a bus bar-side positioning portion provided on each of the connecting bus bars; and an insulation-side positioning portion provided on the bus bar insulating portion, for performing positioning between the respective connecting bus bars and the bus bar insulating portion in cooperation with the bus bar-side positioning portion.Type: ApplicationFiled: December 9, 2008Publication date: June 18, 2009Inventors: Kei Sasaki, Masaki Okamoto
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Publication number: 20080254631Abstract: Disclosed herein is a method for fabrication of semiconductor device involving a first step of coating the substrate with a double-layered insulating film in laminate structure having the skeletal structure of inorganic material and a second step of etching the upper layer of the insulating film as far as the lower layer of the insulating film. In the method for fabrication of semiconductor device, the first step is carried out in such a way that the skeletal structure is incorporated with a pore-forming material of hydrocarbon compound so that one layer of the insulating film contains more carbon than the other layer of the insulating film.Type: ApplicationFiled: March 1, 2007Publication date: October 16, 2008Inventors: Tsutomu Shimayama, Takatoshi Kameshima, Masaki Okamoto
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Patent number: 7378340Abstract: The present invention provides a method of manufacturing a semiconductor device and a semiconductor device that allow use of interlayer and interconnect insulating films having a low dielectric constant in forming a dual damascene structure. A first insulating film, a second insulating film, a first-mask forming layer, a second-mask forming layer, a third-mask forming layer, and a fourth-mask forming layer are sequentially deposited over a substrate. The fourth-mask forming layer is patterned to form a fourth mask having an interconnect trench pattern. After a resist mask is formed on the fourth mask, the layers to the second insulating film are etched to open via holes. The third-mask forming layer is etched through the fourth mask to thereby form a third mask having the interconnect trench pattern and to extend the via holes downward partway across the first insulating film.Type: GrantFiled: February 3, 2006Date of Patent: May 27, 2008Assignee: Sony CorporationInventors: Yoshiyuki Enomoto, Hiroyuki Kawashima, Masaki Okamoto
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Patent number: 7361758Abstract: The present invention relates to a new crystal of triazaspiro[5.5]undecane derivatives. The crystal of a non-solvate of (3R)-1-butyl-2,5-dioxo-3-[(1R)-1-hydroxy-1-cyclohexylmethyl]-9-[4-(4-carboxyphenyloxy)phenylmethyl]-1,4,9-triazaspiro[5.5]undecane hydrochloride have safety as drug substance, and have possibility to supply at large scale. And the crystal have an antagonistic activity against the interaction between chemokine and chemokine receptor, therefore, it is useful for manufacture of an agent for treating and/or preventing diseases such as various inflammatory diseases, asthma, atopic dermatitis, nettle rash, allergy disease, nephritis, nephropathy, hepatitis, arthritis, chronic rheumatoid arthritis, autoimmune disease, transplanted organ rejection reactions, acquired immunodeficiency syndrome and the like.Type: GrantFiled: September 17, 2003Date of Patent: April 22, 2008Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Yoshikazu Takaoka, Masaki Okamoto, Yuuichi Genba
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Patent number: 7310871Abstract: A surface-mounting choke coil has a resin coating material with magnetic powder which is filled a space between the upper flange and the lower flange of a drum-type ferrite core, while covering the circumferential of the winding. The resin coating material with magnetic powder has a glass transition temperature Tg of about ?20° C. or lower, more preferably about ?50° C. or lower in a course of transferring from a glass state to a rubber state during changing of shear modulus with respect to temperature as a physical property when hardening, and the thickness of the upper flange of the drum-type ferrite core is about 0.35 mm or less, and a value of a ratio L2/L1 of an outer diameter L2 of the upper flange to a diameter L1 of the winding core of the drum-type ferrite core is about 1.9 or more.Type: GrantFiled: April 19, 2007Date of Patent: December 25, 2007Assignee: Taiyo Yuden Co., Ltd.Inventors: Katsutoshi Kuroiwa, Koichi Iguchi, Tomoo Kashiwa, Masaki Okamoto, Takahiro Samata
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Publication number: 20070193022Abstract: A surface-mounting choke coil has a resin coating material with magnetic powder which is filled a space between the upper flange and the lower flange of a drum-type ferrite core, while covering the circumferential of the winding. The resin coating material with magnetic powder has a glass transition temperature Tg of about ?20° C. or lower, more preferably about ?50° C. or lower in a course of transferring from a glass state to a rubber state during changing of shear modulus with respect to temperature as a physical property when hardening, and the thickness of the upper flange of the drum-type ferrite core is about 0.35 mm or less, and a value of a ratio L2/L1 of an outer diameter L2 of the upper flange to a diameter L1 of the winding core of the drum-type ferrite core is about 1.9 or more.Type: ApplicationFiled: April 19, 2007Publication date: August 23, 2007Inventors: Katsutoshi Kuroiwa, Koichi Iguchi, Tomoo Kashiwa, Masaki Okamoto, Takahiro Samata