Patents by Inventor Toshiharu Iwasaki
Toshiharu Iwasaki 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: 11973108Abstract: A semiconductor device includes: a drift region that is arranged on a main surface of a substrate, and has a higher impurity concentration than the substrate; a first well region that is connected to the drift region; and a second well region that is arranged adjacent to the first well region and faces the drift region. The second well region has a higher impurity concentration than the first well region. A distance between the source region that faces the drift region via the first well region and the drift region is greater than a distance between the second well region and the drift region, in a direction parallel to the main surface of the substrate. A depletion layer extending from the second well region reaches the drift region.Type: GrantFiled: December 1, 2020Date of Patent: April 30, 2024Assignees: NISSAN MOTOR CO., LTD., RENAULT S.A.S.Inventors: Wei Ni, Tetsuya Hayashi, Keiichiro Numakura, Toshiharu Marui, Ryouta Tanaka, Yuichi Iwasaki
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Patent number: 10633158Abstract: The invention provides a laminate for retort packaging that can be applied to a retort packaging container having excellent bag drop strength at low temperature, and a container that uses this laminate for retort packaging. A laminate for retort packaging (10), wherein a sealant layer (21) is formed of a resin that is composed mainly of a polyethylene resin composition composed of at least 30% by mass but not more than 50% by mass of a high-density polyethylene, at least 40% by mass but not more than 50% by mass of a linear low-density polyethylene, and at least 10% by mass but not more than 20% by mass of a high-pressure low-density polyethylene.Type: GrantFiled: May 29, 2015Date of Patent: April 28, 2020Assignee: HOSOKAWA YOKO CO., LTD.Inventors: Saburo Unai, Toshiharu Iwasaki
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Patent number: 10172764Abstract: Disclosed is an infusion bag film including: a surface layer which is formed of a polyamide resin composition; a heat sealing layer which is formed of a polyethylene resin composition containing a polyethylene as a main component; and an adhesive layer which is provided between the surface layer and the heat sealing layer, in which the polyamide resin composition is obtained by blending 0.05 parts by mass to 1 part by mass of hydrotalcite with respect to 100 parts by mass of a polyamide resin formed of one or more of Nylon 11 and Nylon 12. An object of the invention is to provide an infusion bag film which has reduced eluate in a pH test, that is, has high hot water resistance even when a polyamide resin, which can be heat-sealed in a short period of time at a high temperature, but has a problem in the hot water resistance in some cases, is used in a surface layer, and an infusion bag using the infusion bag film.Type: GrantFiled: June 5, 2014Date of Patent: January 8, 2019Assignee: HOSOKAWA YOKO CO., LTD.Inventors: Toshiharu Iwasaki, Saburou Unai
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Publication number: 20170197769Abstract: The invention provides a laminate for retort packaging that can be applied to a retort packaging container having excellent bag drop strength at low temperature, and a container that uses this laminate for retort packaging. A laminate for retort packaging (10), wherein a sealant layer (21) is formed of a resin that is composed mainly of a polyethylene resin composition composed of at least 30% by mass but not more than 50% by mass of a high-density polyethylene, at least 40% by mass but not more than 50% by mass of a linear low-density polyethylene, and at least 10% by mass but not more than 20% by mass of a high-pressure low-density polyethylene.Type: ApplicationFiled: May 29, 2015Publication date: July 13, 2017Applicant: HOSOKAWA YOKO CO., LTD.Inventors: Saburo UNAI, Toshiharu IWASAKI
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Publication number: 20160120750Abstract: Disclosed is an infusion bag film including: a surface layer which is formed of a polyamide resin composition; a heat sealing layer which is formed of a polyethylene resin composition containing a polyethylene as a main component; and an adhesive layer which is provided between the surface layer and the heat sealing layer, in which the polyamide resin composition is obtained by blending 0.05 parts by mass to 1 part by mass of hydrotalcite with respect to 100 parts by mass of a polyamide resin formed of one or more of Nylon 11 and Nylon 12. An object of the invention is to provide an infusion bag film which has reduced eluate in a pH test, that is, has high hot water resistance even when a polyamide resin, which can be heat-sealed in a short period of time at a high temperature, but has a problem in the hot water resistance in some cases, is used in a surface layer, and an infusion bag using the infusion bag film.Type: ApplicationFiled: June 5, 2014Publication date: May 5, 2016Inventors: Toshiharu IWASAKI, Saburou UNAI
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Publication number: 20150225554Abstract: A blow-molded container is provided obtained by blow-molding a resin composition containing the following components (A) to (C): (A) 78 parts by mass to 55 parts by mass of a linear low-density polyethylene having a density of 910 kg/m3 to 925 kg/m3 and a melt mass flow rate of 1.5 g/10 minutes or more and less than 3.0 g/10 minutes; (B) 15 parts by mass to 25 parts by mass of a high-density polyethylene having a density of 945 kg/m3 to 970 kg/m3 and a melt mass flow rate of 1.0 g/10 minutes to 3.0 g/10 minutes; and (C) 7 parts by mass to 20 parts by mass of a low-density polyethylene having a density of 910 kg/m3 to 930 kg/m3 and a melt mass flow rate of 0.5 g/10 minutes to 8.0 g/10 minutes.Type: ApplicationFiled: August 20, 2013Publication date: August 13, 2015Applicant: HOSOKAWA YOKO CO., LTD.Inventors: Toshiharu Iwasaki, Yohei Kageyama, Yukio Kobayashi, Masataka Kotani, Munenori Miyazaki
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Patent number: 9096040Abstract: The present invention relates to a plastic film (10) formed by a co-extrusion method, and an infusion bag formed thereof. The plastic film (10) includes at least three layers having: a first layer (1) constituted by a polyamide obtained by a ring-opening polymerization of a lactam having 11 or more carbon atoms or by polycondensing of an ?-amino acid having 11 or more carbon atoms, or a polyamide obtained by copolycondensing a dicarboxylic acid having 10 or more carbon atoms and a diamine having 6 or more carbon atoms; a second layer (2) containing a copolymer of an ?-olefin and an anhydride monomer of an unsaturated carboxylic acid or an unsaturated dicarboxylic acid as the major component; and a sealing layer (3) containing a polyethylene as the major component.Type: GrantFiled: October 18, 2010Date of Patent: August 4, 2015Assignee: HOSOKAWA YOKO CO., LTD.Inventors: Yukio Kobayashi, Yohei Kageyama, Manabu Nakamura, Masataka Kotani, Toshiharu Iwasaki
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Publication number: 20140120281Abstract: A plastic film according to the present invention includes a first outer layer made of a polyester elastomer; a second outer layer containing a high-density polyethylene; a first intermediate layer arranged between the first outer layer and the second outer layer and containing a linear low-density polyethylene as a main component; and a second intermediate layer arranged between the first outer layer and the first intermediate layer and containing a polymer of an ?-olefin and an unsaturated carboxylic acid or an anhydride monomer of an unsaturated carboxylic acid as a main component. The plastic film can be produced by a co-extrusion method.Type: ApplicationFiled: July 9, 2012Publication date: May 1, 2014Applicant: HOSOKAWA YOKO CO., LTD.Inventors: Toshiharu Iwasaki, Manabu Nakamura, Yohei Kageyama
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Patent number: 8708992Abstract: The present invention relates to a plastic film for medical containers having an oxygen absorbing function including at least 4 layers (4) and formed by a co-extrusion method, and an infusion bag formed thereof, in which the 4 layers include: a first layer (1) constituted by a polyamide obtained by a ring-opening polymerization of a lactam 11 or more carbon atoms or by polycondensing of an ?-amino acid having 11 or more carbon atoms, or a polyamide obtained by copolycondensing a dicarboxylic acid having 10 or more carbon atoms and a diamine having 6 or more carbon atoms; a second layer (2) of a mixed composition that is adjacent to the first layer and contains an ethylene vinyl alcohol copolymer of an ?-olefin and a monomer of an unsaturated carboxylic acid or an anhydride of an unsaturated dicarboxylic acid as the major component, and a transition metal salt and a polyene-based polymer having an unsaturated double bond as accessory components; a third layer (3) that is adjacent to the second layer and contaiType: GrantFiled: November 2, 2010Date of Patent: April 29, 2014Assignee: Hosokawa Yoko Co., Ltd.Inventors: Yukio Kobayashi, Yohei Kageyama, Manabu Nakamura, Masataka Kotani, Toshiharu Iwasaki
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Publication number: 20130129949Abstract: Provided is a coextruded film including an adhesive layer, which is formed from a blend of a maleic anhydride modified polyolefin resin and a polyolefin resin, between a barrier layer that is formed from an ethylene vinyl alcohol copolymer, and a sealant layer that is formed from a polyolefin resin. When this adhesive layer is applied, it is possible to provide a coextruded film which has a sufficient barrier property due to the barrier layer formed from the ethylene vinyl alcohol copolymer, and in which surface gloss is satisfactory, and irregularities are suppressed, and thus the exterior appearance thereof is excellent.Type: ApplicationFiled: July 26, 2011Publication date: May 23, 2013Applicant: Hosokawa Yoko Co., Ltd.Inventors: Toshiharu Iwasaki, Manabu Nakamura, Haruyuki Yoshida
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Publication number: 20120215196Abstract: The present invention relates to a plastic film for medical containers having an oxygen absorbing function including at least 4 layers (4) and formed by a co-extrusion method, and an infusion bag formed thereof, in which the 4 layers include: a first layer (1) constituted by a polyamide obtained by a ring-opening polymerization of a lactam 11 or more carbon atoms or by polycondensing of an ?-amino acid having 11 or more carbon atoms, or a polyamide obtained by copolycondensing a dicarboxylic acid having 10 or more carbon atoms and a diamine having 6 or more carbon atoms; a second layer (2) of a mixed composition that is adjacent to the first layer and contains an ethylene vinyl alcohol copolymer of an ?-olefin and a monomer of an unsaturated carboxylic acid or an anhydride of an unsaturated dicarboxylic acid as the major component, and a transition metal salt and a polyene-based polymer having an unsaturated double bond as accessory components; a third layer (3) that is adjacent to the second layer and contaiType: ApplicationFiled: November 2, 2010Publication date: August 23, 2012Applicant: HOSOKAWA YOKO CO., LTD.Inventors: Yukio Kobayashi, Yohei Kageyama, Manabu Nakamura, Masataka Kotani, Toshiharu Iwasaki
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Publication number: 20120201984Abstract: The present invention relates to a plastic film (10) formed by a co-extrusion method, and an infusion bag formed thereof. The plastic film (10) includes at least three layers having: a first layer (1) constituted by a polyamide obtained by a ring-opening polymerization of a lactam having 11 or more carbon atoms or by polycondensing of an ?-amino acid having 11 or more carbon atoms, or a polyamide obtained by copolycondensing a dicarboxylic acid having 10 or more carbon atoms and a diamine having 6 or more carbon atoms; a second layer (2) containing a copolymer of an ?-olefin and an anhydride monomer of an unsaturated carboxylic acid or an unsaturated dicarboxylic acid as the major component; and a sealing layer (3) containing a polyethylene as the major component.Type: ApplicationFiled: October 18, 2010Publication date: August 9, 2012Applicant: HOSOKAWA YOKO CO., LTD.Inventors: Yukio Kobayashi, Yohei Kageyama, Manabu Nakamura, Masataka Kotani, Toshiharu Iwasaki
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Publication number: 20100269972Abstract: The present invention has an object to provide an infusion container with multiple chambers, where the peel strength of the boundary portion between one and another of multiple medicament chambers is stabilized irrespective of the construction material and structure of the film. The present invention provides an infusion container 10 with multiple chambers, which is formed from a thermoplastic resin film and has a plurality of medicament chambers 11 and 12 for housing medicaments, wherein the medicaments chambers 11 and 12 are liquid-tightly sealed by a peelable weak seal part 15, the weak seal part 15 is formed to have a plurality of melt-bonding parts different in the melt-bonding strength, the strong melt-bonding part having a largest melt-bonding strength among these melt-bonding parts is dispersed and distributed in the weak seal part 15, and the total occupied area of the strong melt-bonding part is less than 25% of the area of the weak seal part 15.Type: ApplicationFiled: July 2, 2010Publication date: October 28, 2010Applicant: HOSOKAWA YOKO CO., LTD.Inventors: Toshiharu IWASAKI, Masataka KOTANI, Kiyokazu ISHIWATARI, Katsuyuki YOSHIKAWA
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Patent number: 7776414Abstract: The present invention has an object to provide an infusion container with multiple chambers, where the peel strength of the boundary portion between one and another of multiple medicament chambers is stabilized irrespective of the construction material and structure of the film. The present invention provides an infusion container 10 with multiple chambers, which is formed from a thermoplastic resin film and has a plurality of medicament chambers 11 and 12 for housing medicaments, wherein the medicaments chambers 11 and 12 are liquid-tightly sealed by a peelable weak seal part 15, the weak seal part 15 is formed to have a plurality of melt-bonding parts different in the melt-bonding strength, the strong melt-bonding part having a largest melt-bonding strength among these melt-bonding parts is dispersed and distributed in the weak seal part 15, and the total occupied area of the strong melt-bonding part is less than 25% of the area of the weak seal part 15.Type: GrantFiled: March 27, 2003Date of Patent: August 17, 2010Assignee: Hosokawa Yoko Co., Ltd.Inventors: Toshiharu Iwasaki, Masataka Kotani, Kiyokazu Ishiwatari, Katsuyuki Yoshikawa
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Patent number: 7566485Abstract: A medical container produced from a film or sheet having at least one resin layer comprising a polyolefin resin composition, wherein the polyolefin resin composition comprises includes (A) at least one propylene-base polymer which is (A) a specific propylene-base polymer composition, (A) a propylene-base block copolymer and (A) a specific propylene-base block copolymer composition, and (B) an ethylene-base copolymer including an ethylene and at least one ?-olefin having 4 or more carbon atoms, and the refractive index of the xylene-soluble portion of the mixture of polymers (A) and (B) is from 1.480 to 1.495.Type: GrantFiled: February 10, 2004Date of Patent: July 28, 2009Assignee: Hosokawa Yoko Co., Ltd.Inventors: Toshiharu Iwasaki, Masataka Kotani
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Publication number: 20070122577Abstract: One of the objects of the present invention is to provide a molded article excellent in all of transparency, impact resistance, flexibility and blocking resistance. The present invention provides the polypropylene-base molded article of the present invention is a single-layer or multilayer molded article having a layer comprising a thermoplastic resin composition containing a polypropylene resin composition (A) satisfying the following requirements and an ethylene-base copolymer (B) comprising an ethylene and at least one ?-olefin having 4 or more carbon atoms.Type: ApplicationFiled: September 21, 2004Publication date: May 31, 2007Applicant: Showa Denko Plastic Products Co., Ltd.Inventors: Toshiharu Iwasaki, Masataka Kotani, Katsuyuki Yoshikawa
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Publication number: 20060051534Abstract: A medical container produced from a film or sheet having at least one resin layer comprising a polyolefin resin composition, wherein the polyolefin resin composition comprises (A) at least one propylene-base polymer selected from the group consisting of (A1) a specific propylene-base polymer composition, (A2) a propylene-base block copolymer and (A3) a specific propylene-base block copolymer composition, and (B) an ethylene-base copolymer comprising an ethylene and at least one ?-olefin having 4 or more carbon atoms, and the refractive index of the xylene-soluble portion is from 1.480 to 1.495.Type: ApplicationFiled: February 10, 2004Publication date: March 9, 2006Applicant: SHOWA DENKO PLASTIC PRODUCTS CO., LTD.Inventors: Toshiharu Iwasaki, Masataka Kotani
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Publication number: 20050221034Abstract: The present invention has an object to provide an infusion container with multiple chambers, where the peel strength of the boundary portion between one and another of multiple medicament chambers is stabilized irrespective of the construction material and structure of the film. The present invention provides an infusion container 10 with multiple chambers, which is formed from a thermoplastic resin film and has a plurality of medicament chambers 11 and 12 for housing medicaments, wherein the medicaments chambers 11 and 12 are liquid-tightly sealed by a peelable weak seal part 15, the weak seal part 15 is formed to have a plurality of melt-bonding parts different in the melt-bonding strength, the strong melt-bonding part having a largest melt-bonding strength among these melt-bonding parts is dispersed and distributed in the weak seal part 15, and the total occupied area of the strong melt-bonding part is less than 25% of the area of the weak seal part 15.Type: ApplicationFiled: March 27, 2003Publication date: October 6, 2005Inventors: Toshiharu Iwasaki, Masataka Kotani, Kiyokazu Ishiwatari, Katsuyuki Yoshikawa
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Publication number: 20040043239Abstract: One object of the present invention is to provide a polyethylene-base resin laminate having excellent properties in the transparency, blocking resistance, flexibility and the like, exhibiting heat resistance high enough to withstand a sterilization at 121° C.Type: ApplicationFiled: June 26, 2003Publication date: March 4, 2004Inventors: Toshiharu Iwasaki, Tomohiko Ezaki, Akihiko Sakata, Isao Otake