Patents by Inventor Osamu Kawai
Osamu Kawai 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: 20240152073Abstract: An image forming apparatus includes a developing device including a developing roller and a storage frame including a storage portion configured to store toner, a body frame with an opening, a toner cartridge which is configured to store the toner, which is attachable to and detachable from the developing device through the opening, which is movable to an attached position and a retracted position, and which is configured to supply the toner to the storage portion in a state in which the toner cartridge is at the attached position, and a moving device configured to move the toner cartridge from the attached position to the retracted position. The toner cartridge is configured such that at least part of the toner cartridge projects outside the body frame in a state in which the toner cartridge is at the retracted position.Type: ApplicationFiled: November 6, 2023Publication date: May 9, 2024Inventors: Jumpei Nitta, Tomoya Tateishi, Osamu Sasaoka, Kohei Koguchi, Shuma Hiasa, Tachio Kawai
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Publication number: 20240152074Abstract: An image forming apparatus includes a rotary including a first developing roller, a second developing roller, a first storage frame, and a second storage frame, a body frame with an opening, a first toner cartridge, a second toner cartridge, a first support member which is configured to support the first toner cartridge, and a second support member which is configured to support the second toner cartridge. The first support member is movable with respect to the first storage frame such that the first toner cartridge moves from the first attached position to the first retracted position. The second support member is movable with respect to the second storage frame such that the second toner cartridge moves from the second attached position to the second retracted position.Type: ApplicationFiled: November 7, 2023Publication date: May 9, 2024Inventors: Jumpei Nitta, Tomoya Tateishi, Osamu Sasaoka, Kohei Koguchi, Shuma Hiasa, Tachio Kawai, Kenji Watanabe
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Publication number: 20240068380Abstract: There is provided a pit initiation evaluation system or the like capable of predicting pit initiation effectively and at low cost. In a pit initiation evaluation system of an embodiment, a pit initiation evaluation unit creates and retains, based on a dry-wet alternate time data, a deposit impurity concentration data, and a pit initiation data on pitting corrosion initiated in each of a plurality of turbine stages when an operation is actually performed in the steam turbine, a pit initiation evaluation table presenting a relationship between a dry-wet alternate time, a deposit impurity concentration, and pit initiation. Further, the pit initiation evaluation unit is configured to evaluate, by using the pit initiation evaluation table, pitting corrosion to be initiated in each of the plurality of turbine stages in an operation planned for the steam turbine.Type: ApplicationFiled: November 2, 2022Publication date: February 29, 2024Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yuka TSUKADA, Kazuhiro SAITO, Yusuke SUZUKI, Yoshikazu NINOMIYA, Osamu TANAKA, Yasuteru KAWAI, Shinichi TERADA, Makoto SASAKI
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Patent number: 10100171Abstract: A resin composition comprising 100 parts by mass of a polymer (A) and 0.5 parts to 60 parts by mass of a high dielectric material (B), the high dielectric material (B) having a relative dielectric constant at 20° C. of 10 or more, a melting point of 45° C. or lower, and a boiling point of 150° C. or higher.Type: GrantFiled: December 11, 2014Date of Patent: October 16, 2018Assignee: Mitsubishi Chemical CorporationInventors: Hiroshi Okafuji, Osamu Kawai, Hideto Yamazawa, Masahiko Ono
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Publication number: 20170190157Abstract: A resin product which has a surface water contact angle of at least 90 and a pencil hardness of at least 8H.Type: ApplicationFiled: May 29, 2015Publication date: July 6, 2017Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Hideto YAMAZAWA, Hiroshi OKAFUJI, Osamu KAWAI
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Patent number: 9624368Abstract: Provided are an acrylic resin composition, an acrylic resin sheet, and an acrylic resin laminate that exhibit superior transparency and impact resistance. The acrylic resin composition contains 100 parts by mass of an acrylic polymer (A) having 50 to 100% by mass of a methyl methacrylate unit and 0.002 to 0.7 parts by mass of an olefin-alkyl (meth)acrylate copolymer (B). The copolymer (B) is preferably an ethylene-alkyl acrylate copolymer (B-2). The acrylic resin sheet contains this acrylic resin composition. The acrylic resin sheet has a haze value of 0.5% or less based on JIS K 7136, a 50% impact-puncture height of at least 350 mm or more in a falling ball test based on JIS K 7211 under the described conditions, and a sheet thickness of 2 mm or less. The acrylic resin laminate has a cured layer laminated on at least one surface of the acrylic resin sheet.Type: GrantFiled: May 8, 2012Date of Patent: April 18, 2017Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Yukiko Tamura, Masahiko Ono, Osamu Kawai
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Publication number: 20160347930Abstract: A resin composition comprising 100 parts by mass of a polymer (A) and 0.5 parts to 60 parts by mass of a high dielectric material (B), the high dielectric material (B) having a relative dielectric constant at 20° C. of 10 or more, a melting point of 45° C. or lower, and a boiling point of 150° C. or higher.Type: ApplicationFiled: December 11, 2014Publication date: December 1, 2016Applicant: MITSUBISHI RAYON CO., LTDInventors: Hiroshi OKAFUJI, Osamu KAWAI, Hideto YAMAZAWA, Masahiko ONO
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Publication number: 20160137766Abstract: A (meth)acrylic polymer, a (meth)acrylic resin sheet containing same, a (meth)acrylic resin laminated article obtained by laminating a functional layer on one or both sides of a (meth)acrylic resin sheet, and a composite sheet containing said article. Said polymer contains 4.5-7.5% by mass of units of (a) an acrylate having a C1-11 hydrocarbon group and one ethylenically unsaturated bond in the molecule, 0.3-3.2% by mass of units of (b) a monomer having two or more ethylenically unsaturated bonds in the molecule, and 89.3-95.2% by mass of units of (c) a (meth)acrylate other than the monomer units.Type: ApplicationFiled: June 23, 2014Publication date: May 19, 2016Applicant: Mitsubishi Rayon Co. Ltd.Inventors: Hiroshi Okafuji, Masahiko Ono, Osamu Kawai, Shogo Okazaki
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Publication number: 20160075057Abstract: A resin laminate including a cured film layer; and a resin substrate, wherein the cured film layer is obtained by curing a curable composition that contains (A) at least one of multifunctional monomer selected from dipentaerythritol penta(meth)acrylate and dipentaerythritol hexa(meth)acrylate, (B) a multifunctional monomer that has at least 3 (meth)acryloyl groups and is not component (A), (C) a multifunctional monomer having two (meth)acryloyl groups, and (D) a polymerization initiator; the total amount of components (A), (B) and (C) is 100 parts by mass; based on the total 100 parts by mass of components (A), (B) and (C), the content of component (A) is 20-50 parts by mass, the content of component (B) is 20-60 parts by mass, and the content of component (C) is 15-35 parts by mass; and the cured film layer is laminated on a surface of the resin substrate.Type: ApplicationFiled: December 19, 2013Publication date: March 17, 2016Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Hideto YAMAZAWA, Shogo OKAZAKI, Osamu KAWAI
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Publication number: 20140141270Abstract: Provided are an acrylic resin composition, an acrylic resin sheet, and an acrylic resin laminate that exhibit superior transparency and impact resistance. The acrylic resin composition contains 100 parts by mass of an acrylic polymer (A) having 50 to 100% by mass of a methyl methacrylate unit and 0.002 to 0.7 parts by mass of an olefin-alkyl (meth)acrylate copolymer (B). The copolymer (B) is preferably an ethylene-alkyl acrylate copolymer (B-2). The acrylic resin sheet contains this acrylic resin composition. The acrylic resin sheet has a haze value of 0.5% or less based on JIS K 7136, a 50% impact-puncture height of at least 350 mm or more in a falling ball test based on JIS K 7211 under the described conditions, and a sheet thickness of 2 mm or less. The acrylic resin laminate has a cured layer laminated on at least one surface of the acrylic resin sheet.Type: ApplicationFiled: May 8, 2012Publication date: May 22, 2014Applicant: MITSUBISHI RAYON CO., LTD.Inventors: Yukiko Tamura, Masahiko Ono, Osamu Kawai
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Publication number: 20130295331Abstract: Provided is a transfer film that includes, as a medium-refractive-index film, a film containing metal oxide particles that has a central region in which there are no metal oxide particles, a surface-layer region (a1) formed on one side of the central region and including metal oxide particles, and a surface-layer region (a2) formed on the opposite side of the central region and including metal oxide particles, the transfer film being capable of providing a laminate that has excellent stain resistance, anti-reflection characteristics, transparency, sweat resistance, and scratch resistance, and in which interference patterns are reduced. By using said transfer film, it is possible to obtain a laminate that has excellent stain resistance, anti-reflection characteristics, transparency, sweat resistance, and scratch resistance, and in which interference patterns are reduced.Type: ApplicationFiled: December 22, 2011Publication date: November 7, 2013Applicant: MITSUBISHI RAYON CO., LTD.Inventors: Hiroshi Okafuji, Osamu Kawai, Tetsuya Sawano, Hideto Yamazawa
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Publication number: 20130258479Abstract: Provided is a transfer film wherein: a low-refractive-index film having a refractive index (Nx) and a high-refractive-index film having a refractive index (Ny) are laminated in this order on one surface of a peeling film; the refractive indices satisfy Nx<Ny; and the high-refractive-index film contains an aminosilane. Also provided is a laminate wherein: a high-refractive-index film and a low-refractive-index film are laminated in this order on the surface of a substrate; and the high-refractive-index film contains an aminosilane. The transfer film is obtained by successively laminating and curing a composition for the low-refractive-index film and a composition for the high-refractive-index film on the peeling film. The laminate is produced by bonding the surface of the high-refractive-index film of the transfer film to the substrate, and then peeling away the peeling film.Type: ApplicationFiled: December 22, 2011Publication date: October 3, 2013Applicant: MITSUBISHI RAYON CO., LTD.Inventors: Hiroshi Okafuji, Osamu Kawai, Tetsuya Sawano, Hideto Yamazawa
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Patent number: 8527424Abstract: An encrypted content and its encryption key under a copy right use condition of prohibiting a copy by the device having received a content are stored, and the encrypted content is copy-transferred with another device through the network, and at the same time, the encryption key is transferred through the network, so that it is stored in either one of the devices. Even when a high definition television broadcast signal received with a copy-once taken as a copy right use condition is recorded, an access flag that controls the presence or absence of the reproduction of the broadcast content for each broadcast content is provided. When an original broadcast content is transcoded into a low resolution, and is transfer to another device, its access flag is turned on, thereby making the reproduction possible.Type: GrantFiled: December 1, 2011Date of Patent: September 3, 2013Assignee: Fujitsu LimitedInventors: Masaki Yamashima, Osamu Kawai
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Patent number: 8470445Abstract: Disclosed is a resin laminate having a surface layer excellent in antistatic properties, scratch resistance, and transparency. Also disclosed is a method for producing the resin laminate with a high productivity. Further disclosed is a transfer film for use in the production of the resin laminate. The resin laminate comprises a resin shaped article, an antistatic layer containing a ?-electron conjugated conductive polymer and at least one resin selected from a polyester resin, a polyurethane resin, a polyesterurethane resin, an acrylic resin, and a melamine resin on at least one surface of the shaped article, and a cured coating film layer obtained by curing a curable resin on the antistatic layer.Type: GrantFiled: September 18, 2007Date of Patent: June 25, 2013Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Hiroshi Okafuji, Yukiko Tamura, Osamu Kawai, Kenichi Mori, Masayoshi Sato, Koji Itoh
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Publication number: 20120267042Abstract: An object of the present invention is to provide a transfer film in which the function layer such as an anti-reflective layer can be laminated using a film having high surface tension, and a laminate including a soil resistant layer formed by a wet method and having high water repellency and oil repellency and high transparency, scratch resistance, and sweat resistance can be provided, and a method for producing the transfer film. A transfer film according to the present invention is a transfer film including a transparent base material film and a soil resistant cured film laminated on the surface of the transparent base material film, wherein a water contact angle (1) of a surface of the soil resistant cured film not contacting the transparent base material film is not more than 100°, a water contact angle (2) of a surface of the soil resistant cured film contacting the transparent base material film is not less than 90°, and a contact angle (?) of triolein is not less than 55°.Type: ApplicationFiled: October 6, 2010Publication date: October 25, 2012Applicant: MITSUBISHI RAYON CO., LTD.Inventors: Hiroshi Okafuji, Hideto Yamazawa, Masahiko Morooka, Tetsuya Sawano, Osamu Kawai
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Patent number: 8231981Abstract: A method of producing an acrylic resin plate, comprising a step of adding 0.001 to 1 part by weight of a polymerization initiator having 10 hours half life temperature of 80° C. or more and 0.015 to 0.2 parts by weight of cyclohexadiene or terpenoid-based compound into 100 parts by weight of a mixture composed of an alkyl methacrylate having a C1-4 alkyl group and a poly-functional (meth)acrylate to give a polymerizable mixture, and a step of polymerizing said polymerizable mixture; an acrylic resin comprising 3 to 30 wt % of an alkyl methacrylate unit having a C8-20 alkyl group, 2 to 35 wt % of a mono-ethylenically unsaturated monomer unit containing an alkyl methacrylate unit having a C1-4 alkyl group and 35 to 95 wt % of a poly-functional (meth)acrylate unit; an acrylic resin plate made of the resin and production process the same, and a transparent electrode plate for touch panel and a touch panel having them.Type: GrantFiled: July 10, 2008Date of Patent: July 31, 2012Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Hideyuki Sugamoto, Osamu Kawai, Hiroki Hatakeyama
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Publication number: 20120079610Abstract: An encrypted content and its encryption key under a copy right use condition of prohibiting a copy by the device having received a content are stored, and the encrypted content is copy-transferred with another device through the network, and at the same time, the encryption key is transferred through the network, so that it is stored in either one of the devices. Even when a high definition television broadcast signal received with a copy-once taken as a copy right use condition is recorded, an access flag that controls the presence or absence of the reproduction of the broadcast content for each broadcast content is provided. When an original broadcast content is transcoded into a low resolution, and is transfer to another device, its access flag is turned on, thereby making the reproduction possible.Type: ApplicationFiled: December 1, 2011Publication date: March 29, 2012Applicant: FUJITSU LIMITEDInventors: Masaki Yamashima, Osamu Kawai
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Patent number: 8095469Abstract: An encrypted content and its encryption key under a copy right use condition of prohibiting a copy by the device having received a content are stored, and the encrypted content is copy-transferred with another device through the network, and at the same time, the encryption key is transferred through the network, so that it is stored in either one of the devices. Even when a high definition television broadcast signal received with a copy-once taken as a copy right use condition is recorded, an access flag that controls the presence or absence of the reproduction of the broadcast content for each broadcast content is provided. When an original broadcast content is transcoded into a low resolution, and is transfer to another device, its access flag is turned on, thereby making the reproduction possible.Type: GrantFiled: January 24, 2007Date of Patent: January 10, 2012Assignee: Fujitsu LimitedInventors: Masaki Yamashima, Osamu Kawai
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Publication number: 20100028693Abstract: Disclosed is a resin laminate having a surface layer excellent in antistatic properties, scratch resistance, and transparency. Also disclosed is a method for producing the resin laminate with a high productivity. Further disclosed is a transfer film for use in the production of the resin laminate. The resin laminate comprises a resin shaped article, an antistatic layer containing a ?-electron conjugated conductive polymer and at least one resin selected from a polyester resin, a polyurethane resin, a polyesterurethane resin, an acrylic resin, and a melamine resin on at least one surface of the shaped article, and a cured coating film layer obtained by curing a curable resin on the antistatic layer.Type: ApplicationFiled: September 18, 2007Publication date: February 4, 2010Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Hiroshi Okafuji, Yukiko Tamura, Osamu Kawai, Kenichi Mori, Masayoshi Sato, Koji Itoh
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Publication number: 20080278457Abstract: A method of producing an acrylic resin plate, comprising a step of adding 0.001 to 1 part by weight of a polymerization initiator having 10 hours half life temperature of 80° C. or more and 0.015 to 0.2 parts by weight of cyclohexadiene or terpenoid-based compound into 100 parts by weight of a mixture composed of an alkyl methacrylate having a C1-4 alkyl group and a poly-functional (meth)acrylate to give a polymerizable mixture, and a step of polymerizing said polymerizable mixture; an acrylic resin comprising 3 to 30 wt % of an alkyl methacrylate unit having a C8-20 alkyl group, 2 to 35 wt % of a mono-ethylenically unsaturated monomer unit containing an alkyl methacrylate unit having a C1-4 alkyl group and 35 to 95 wt % of a poly-functional (meth)acrylate unit; an acrylic resin plate made of the resin and production process the same, and a transparent electrode plate for touch panel and a touch panel having them.Type: ApplicationFiled: July 10, 2008Publication date: November 13, 2008Applicant: Mitsubishi Rayon co., Ltd.Inventors: Hideyuki Sugamoto, Osamu Kawai, Hiroki Hatakeyama