Patents by Inventor Shigeru Morikawa
Shigeru Morikawa 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: 20190010596Abstract: A high-strength plated steel plate for a welded structural member having a steel composition containing from 0.050 to 0.150% of C, from 0.001 to 1.00% of Si, from 1.00 to 2.50% of Mn, from 0.005 to 0.050% of P, from 0.001 to 0.020% of S, and from 0.005 to 0.100% of Al, having a steel base material having a metal structure containing a ferrite phase and a second phase containing mainly martensite having an average crystal grain diameter of 8 mm or less, and having a chemical composition and a thickness t (mm) of the steel base material regulated to obtain a value, C/0.2+Si/5.0+Mn/1.3+Cr/1.0+Mo/1.2+0.4t?0.7(Cr+Mo)1/2, of 2.9 or less. The high-strength plated steel plate is excellent in corrosion resistance of the welded portion, resistance to liquid metal embrittlement cracking, and bending workability.Type: ApplicationFiled: September 17, 2018Publication date: January 10, 2019Inventors: Kentaro HIRATA, Yukio KATAGIRI, Shigeru MORIKAWA, Masaaki URANAKA
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Patent number: 10100395Abstract: A high-strength plated steel plate for a welded structural member having a steel composition containing from 0.050 to 0.150% of C, from 0.001 to 1.00% of Si, from 1.00 to 2.50% of Mn, from 0.005 to 0.050% of P, from 0.001 to 0.020% of S, and from 0.005 to 0.100% of Al, having a steel base material having a metal structure containing a ferrite phase and a second phase containing mainly martensite having an average crystal grain diameter of 8 mm or less, and having a chemical composition and a thickness t (mm) of the steel base material regulated to obtain a value, C/0.2+Si/5.0+Mn/1.3+Cr/1.0+Mo/1.2+0.4t?0.7(Cr+Mo)1/2, of 2.9 or less. The high-strength plated steel plate is excellent in corrosion resistance of the welded portion, resistance to liquid metal embrittlement cracking, and bending workability.Type: GrantFiled: March 13, 2014Date of Patent: October 16, 2018Assignee: NISSHIN STEEL CO., LTD.Inventors: Kentaro Hirata, Yukio Katagiri, Shigeru Morikawa, Masaaki Uranaka
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Patent number: 9508968Abstract: In a method for manufacturing a battery safety valve according to the present invention, a stainless steel metal sheet is used, and an thin annular portion constituting an edge portion of a safety valve is formed in a lid by simultaneously pressing annular projecting portions provided respectively on a punch and a die so as to oppose each other, against respective surfaces of the lid.Type: GrantFiled: March 13, 2012Date of Patent: November 29, 2016Assignee: NISSHIN STEEL CO., LTD.Inventors: Masato Ootsuka, Shigeru Morikawa
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Publication number: 20160032438Abstract: A high-strength plated steel plate for a welded structural member having a steel composition containing from 0.050 to 0.150% of C, from 0.001 to 1.00% of Si, from 1.00 to 2.50% of Mn, from 0.005 to 0.050% of P, from 0.001 to 0.020% of S, and from 0.005 to 0.100% of Al, having a steel base material having a metal structure containing a ferrite phase and a second phase containing mainly martensite having an average crystal grain diameter of 8 mm or less, and having a chemical composition and a thickness t (mm) of the steel base material regulated to obtain a value, C/0.2+Si/5.0+Mn/1.3+Cr/1.0+Mo/1.2+0.4t?0.7(Cr+Mo)1/2, of 2.9 or less. The high-strength plated steel plate is excellent in corrosion resistance of the welded portion, resistance to liquid metal embrittlement cracking, and bending workability.Type: ApplicationFiled: March 13, 2014Publication date: February 4, 2016Inventors: Kentaro HIRATA, Yukio KATAGIRI, Shigeru MORIKAWA, Masaaki URANAKA
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Publication number: 20150299829Abstract: A steel has improved sulfuric acid dew point corrosion resistance without relying upon the addition of Sb and can have improved hydrochloric acid dew point corrosion resistance. The acid dew point corrosion-resistant steel includes from 0.005 to 0.200% of C, from 0.20 to 0.80% of Si, from 0.05 to 1.50% of Mn, from 0.002 to 0.020% of P, from 0.005 to 0.015% of S, from 0.10 to 0.50% of Cu, from 0.05 to 0.30% of Ni, from 0.005 to 0.100% of Al, and 0 or more and less than 0.010% of Mo in terms of % by mass, with the balance being Fe and impurities. In the case of attaching great importance to hydrochloric acid dew point corrosion resistance, it is desirable to control the Mo content in the foregoing steel to from 0.005 to 0.030% by mass.Type: ApplicationFiled: March 19, 2012Publication date: October 22, 2015Applicant: NISSHIN STEEL CO., LTD.Inventors: Yukio KATAGIRI, Shigeru MORIKAWA, Susumu FUJIWARA
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Patent number: 8841810Abstract: A rotor iron core is used, which is formed by laminating a base steel sheets with a magnetic flux density (B8000) of 1.65 T or more as measured at a magnetic field strength of 8000 A/m and a coercivity of 100 A/m or more.Type: GrantFiled: March 27, 2012Date of Patent: September 23, 2014Assignee: Nisshin Steel Co., Ltd.Inventors: Tomonaga Iwatsu, Yukio Katagiri, Susumu Fujiwara, Shigeru Morikawa
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Publication number: 20140015364Abstract: A rotor iron core is used, which is formed by laminating a base steel sheets with a magnetic flux density (B8000) of 1.65 T or more as measured at a magnetic field strength of 8000 A/m and a coercivity of 100 A/m or more.Type: ApplicationFiled: March 27, 2012Publication date: January 16, 2014Inventors: Tomonaga Iwatsu, Yukio Katagiri, Susumu Fujiwara, Shigeru Morikawa
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Publication number: 20140017524Abstract: In a method for manufacturing a battery safety valve according to the present invention, a stainless steel metal sheet is used, and an thin annular portion constituting an edge portion of a safety valve is formed in a lid by simultaneously pressing annular projecting portions provided respectively on a punch and a die so as to oppose each other, against respective surfaces of the lid.Type: ApplicationFiled: March 13, 2012Publication date: January 16, 2014Inventors: Masato Ootsuka, Shigeru Morikawa
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Patent number: 8186656Abstract: To provide a sauna device having a small number of components without any special heat source, operable at a low running cost, and capable of turning a sauna room into a high humidity space with low noise. The sauna device has a heating/humidifying unit for heating/humidifying air, a ventilating unit for exhausting the air in the sauna room, and a control unit for controlling the heating/humidifying unit and the ventilating unit. The heating/humidifying unit has a heating section for heating the air through a circulation blowing section for circulating the air in the sauna room and a humidifying section for humidifying the heated air having passed through the heating section. The humidified air is blown out into the sauna room through the humidifying section. A bent portion where the air-blowing duct through which the humidified air having passed through the humidifying section passes is bent is provided.Type: GrantFiled: October 17, 2007Date of Patent: May 29, 2012Assignee: Panasonic CorporationInventors: Satoshi Fujii, Masayosi Toujyou, Shigeru Morikawa, Naoya Araki, Yasuaki Shima, Daisuke Ogawa, Masahiro Fujita, Seiji Mizuno, Daisuke Tsubosa, Yasuhiro Suzuki, Yoshio Ikari, Hideyuki Fujisawa
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Patent number: 8030020Abstract: A safer live smallpox vaccine, which contains a lowered content of revertants, is provided. A process for manufacturing a live smallpox vaccine which comprises steps of: inoculating a master seed solution of an attenuated vaccinia virus to an appropriate number of containers (1 to n wherein n is an integer) of rabbit kidney cells and incubating them; inoculating a portion of the cultured solution obtained from each container to RK-13 cells and to Vero E6 cells and incubating them to thereby select containers which contain a cultured solution that forms plaques in RK-13 cells but not in Vero E6 cells; and preparing a drug substance of vaccine using the aforementioned cultured solution (working seed solution), and a live smallpox vaccine prepared in the aforementioned process.Type: GrantFiled: August 6, 2007Date of Patent: October 4, 2011Assignees: Juridicial Foundation The Chemo-Sero-Therapeutic Research Institute, Japan as represented by Director General of National Institute of Infectious DiseasesInventors: Tomomi Kanehara, Hiroyuki Yokote, Kunio Ohkuma, Masahiko Kuranaga, Shigeru Morikawa
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Patent number: 8015851Abstract: When forming a dowel section by performing press working on each of portions constituting side walls of a buckle base member, a die having a negative clearance with a punch portion (2) is used whose length or diameter is larger than a length or diameter of a die portion (3). The dowel section is required as a guide for a tongue inserted into a buckle and as a load receiver when a latch member is elongated at a time of collision etc. When a ratio C/t of a clearance C between the punch portion and the die portion with respect to a plate thickness t of the buckle base member is set within a range of ?(30 to 5) %, no crack is generated in the root of the dowel section, and the dowel section of a shear cross-section length ?0.25×t, a shear cross-section starting height ?0.7×t, and a height of (0.70 to 0.95)×t is easily obtained, and the perpenducularity of the dowel section side surface is enhanced.Type: GrantFiled: December 25, 2006Date of Patent: September 13, 2011Assignees: Nisshin Steel Co., Ltd., Takata CorporationInventors: Hirokazu Sasaki, Naofumi Nakamura, Shigeru Morikawa, Hideto Hashimoto, Takaaki Kimura, Yoshihiko Kawai
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Publication number: 20100183672Abstract: A safer live smallpox vaccine, which contains a lowered content of revertants, is provided. A process for manufacturing a live smallpox vaccine which comprises steps of: inoculating a master seed solution of an attenuated vaccinia virus to an appropriate number of containers (1 to n wherein n is an integer) of rabbit kidney cells and incubating them; inoculating a portion of the cultured solution obtained from each container to RK-13 cells and to Vero E6 cells and incubating them to thereby select containers which contain a cultured solution that forms plaques in RK-13 cells but not in Vero E6 cells; and preparing a drug substance of vaccine using the aforementioned cultured solution (working seed solution), and a live smallpox vaccine prepared in the aforementioned process.Type: ApplicationFiled: August 6, 2007Publication date: July 22, 2010Applicants: Juridical Foundation the Chemosero-Therapeutic Research Institute, Japan as represented by Director General of National Institute of Infectious DiseasesInventors: Tomomi Kanehara, Hiroyuki Yokote, Kunio Ohkuma, Masahiko Kuranaga, Shigeru Morikawa
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Publication number: 20100024117Abstract: To provide a sauna device having a small number of components without any special heat source, operable at a low running cost, and capable of turning a sauna room into a high humidity space with low noise. The sauna device has a heating/humidifying unit for heating/humidifying air, a ventilating unit for exhausting the air in the sauna room, and a control unit for controlling the heating/humidifying unit and the ventilating unit. The heating/humidifying unit has a heating section for heating the air through a circulation blowing section for circulating the air in the sauna room and a humidifying section for humidifying the heated air having passed through the heating section. The humidified air is blown out into the sauna room through the humidifying section. A bent portion where the air-blowing duct through which the humidified air having passed through the humidifying section passes is bent is provided.Type: ApplicationFiled: October 17, 2007Publication date: February 4, 2010Applicant: PANASONIC CORPORATIONInventors: Satoshi Fujii, Masayosi Toujyou, Shigeru Morikawa, Naoya Araki, Yasuaki Shima, Daisuke Ogawa, Masahiro Fujita, Seiji Mizuno, Daisuke Tsubosa, Yasuhiro Suzuki, Yoshio Ikari, Hideyuki Fujisawa
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Patent number: 7583826Abstract: An image reading apparatus for reading an image pattern of a detecting object comprises a detecting surface on which a detecting object is placed, a sensor array having a plurality of sensors arranged to read an image pattern of the detecting object placed on the detecting surface, a first detection electrode, provided on at least an upper portion of the sensor array, having the detecting surface; a second detection electrode provided to be electrically insulated and spaced from the first detection electrode; a counter electrode provided to be opposite to the first detection electrode through an interlayer insulating film; signal voltage applying circuit which applies a signal voltage having a first signal waveform that varies periodically to the counter electrode to excite a second signal waveform to the first detection electrode through the interlayer insulating film, and contact detector which determines whether the detecting object brought into contact with the detecting surface is a specific detecting obType: GrantFiled: July 30, 2003Date of Patent: September 1, 2009Assignee: Casio Computer Co., Ltd.Inventors: Yoshiaki Nakamura, Tatsuya Miyakawa, Shigeru Morikawa, Tomomi Iihama
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Patent number: 7554618Abstract: In the present liquid crystal display device, a switching element, a data line connected to one end of the switching element, and an interconnecting wire insulated from the data line are formed on a substrate. The switching element, the data line, and the interconnecting wire are covered with an interlayer insulating film. An auxiliary capacitor electrode made of reflective metal and connected to the interconnecting wire is formed on the interlayer insulating film. An upper insulating film is formed on the interlayer insulating film to cover the auxiliary capacitor electrode, and a pixel electrode connected to the other end of the switching element is formed on the upper insulating film. The interconnecting wire is made of a material different from the auxiliary capacitor electrode, and the interlayer insulating film and upper insulating film have a contact hole which reaches the interconnecting wire.Type: GrantFiled: December 1, 2006Date of Patent: June 30, 2009Assignee: Casio Computer Co., Ltd.Inventors: Hiromitsu Ishii, Yayoi Nakamura, Shigeru Morikawa
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Patent number: 7545464Abstract: A liquid crystal display device has: a substrate; a switching element disposed at a side of the upper surface of the substrate and including a lower electrode and an upper electrode having a stacked structure of a plurality of metallic layers; a transparent pixel electrode disposed at the side of the upper surface of the substrate and connected to the upper electrode of the switching element; and a reflective plate formed on the upper surface of the pixel electrode so as to expose a part of the pixel electrode and having the same stacked structure as the upper electrode, including layers each made of the same material as the corresponding metallic layer in the upper electrode.Type: GrantFiled: November 29, 2006Date of Patent: June 9, 2009Assignee: Casio Computer Co., Ltd.Inventors: Hiromitsu Ishii, Shigeru Morikawa, Yayoi Nakamura
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Patent number: 7505098Abstract: This invention provides a display panel characterized by having a substrate; an organic film having an irregular surface formed on the substrate; a reflective film formed on the irregular surface of the organic film; and a pixel electrode having a portion, at least the portion of the pixel electrode being overlapped with the reflective film.Type: GrantFiled: September 21, 2005Date of Patent: March 17, 2009Assignee: Casio Computer Co., Ltd.Inventors: Yayoi Nakamura, Shigeru Morikawa, Hiromitsu Ishii
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Publication number: 20090019911Abstract: When forming a dowel section by performing press working on each of portions constituting side walls of a buckle base member, a die of a negative clearance with a punch portion (2) is used whose length or diameter is larger than a length or diameter of a die portion (3), the dowel section being required as a guide for a tongue inserted into a buckle and as a load receiver when a latch member is elongated at a time of collision etc. When a ratio C/t of a clearance C between the punch portion and the die portion with respect to a plate thickness t of the buckle base member is set within a range of ?(30 to 5)%, no crack is generated in the root of the dowel section, and the dowel section of a shear cross-section length ?0.25×t, a shear cross-section starting height ?0.7×t, and a height of (0.70 to 0.95)×t is easily obtained, and the perpenducularity of the dowel section side surface is enhanced.Type: ApplicationFiled: December 25, 2006Publication date: January 22, 2009Inventors: Hirokazu Sasaki, Naofumi Nakamura, Shigeru Morikawa, Hideto Hashimoto, Takaaki Kimura, Yoshihiko Kawai
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Publication number: 20080161348Abstract: A method for suppressing expression of PTX3 gene, which comprises administering an effective amount of a compound, which is represented by the following formula (1): wherein R1 represents an organic group, X represents —CH2CH2— or —CH?CH—, and R2 represents a hydrogen atom or an alkyl group, or a lactone derivative thereof, or a salt thereof. According to the present invention, a PTX3 gene expression suppressing method useful for the treatment of autoimmune diseases, especially rheumatoid arthritis can be provided.Type: ApplicationFiled: March 30, 2007Publication date: July 3, 2008Applicants: KOWA CO., LTD., Nissan Chemical Industries, Ltd.Inventors: Shigeru MORIKAWA, Akashi Izumi, Takao Hamakubo, Tatsuhiko Kodama
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Publication number: 20070126942Abstract: In the present liquid crystal display device, a switching element, a data line connected to one end of the switching element, and an interconnecting wire insulated from the data line are formed on a substrate. The switching element, the data line, and the interconnecting wire are covered with an interlayer insulating film. An auxiliary capacitor electrode made of reflective metal and connected to the interconnecting wire is formed on the interlayer insulating film. An upper insulating film is formed on the interlayer insulating film to cover the auxiliary capacitor electrode, and a pixel electrode connected to the other end of the switching element is formed on the upper insulating film. The interconnecting wire is made of a material different from the auxiliary capacitor electrode, and the interlayer insulating film and upper insulating film have a contact hole which reaches the interconnecting wire.Type: ApplicationFiled: December 1, 2006Publication date: June 7, 2007Applicant: CASIO COMPUTER CO., LTD.Inventors: Hiromitsu Ishii, Yayoi Nakamura, Shigeru Morikawa