Patents by Inventor Koji Saiki
Koji Saiki 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: 20240173936Abstract: Provided is a multilayer tube with excellent strength, heat resistance, and the like, further exhibiting excellent interlayer adhesion without an adhesive, as well as good interlayer adhesion after annealing. The multilayer tube has a tubular inner layer and an outer layer formed on an outer peripheral surface thereof. The inner layer is a maleic anhydride-modified polypropylene resin layer which contains organic particles having an average particle size of 0.1-10 ?m. The outer layer is a polyamide resin layer with an amine value of 15-100 mmol/kg. The multilayer tube includes numerous convex protrusions caused by the organic particles on a side of the inner layer at an interface between the inner layer and the outer layer.Type: ApplicationFiled: February 6, 2024Publication date: May 30, 2024Applicant: Sumitomo Riko Company LimitedInventors: Masashi OKAHISA, Koji MIZUTANI, Yorihiro TAKIMOTO, Kazuhiro SAIKI
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Patent number: 11958128Abstract: A laser apparatus includes a laser oscillator; an acousto-optic modulation unit including a first acousto-optic modulator that diffracts a laser beam from the laser oscillator when a first ultrasonic wave is applied and a second acousto-optic modulator that diffracts a higher order beam output from the first acousto-optic modulator when a second ultrasonic wave is applied; and an amplifier that amplifies the laser beam from the acousto-optic modulation unit, a propagation direction of the first ultrasonic wave relative to a diffracted direction of the higher order beam emitted from the first acousto-optic modulator and a propagation direction of the second ultrasonic wave relative to a diffracted direction of a higher order beam emitted from the second acousto-optic modulator being different.Type: GrantFiled: June 30, 2021Date of Patent: April 16, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Koji Funaoka, Tatsuya Yamamoto, Yuzuru Tadokoro, Masayuki Saiki, Hiromasa Mihara, Yoshiharu Kurosaki
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Publication number: 20200068970Abstract: A wig including a wig base having a wearing portion to be worn on a head; and a hair portion having hairs affixed to the wig base; the hair portion being cut such that at least one part of a first hair portion that is located on the head when the wig is worn on the head is configured to project toward the head.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Applicant: Nittchoyamato Co., Ltd.Inventors: Koji SAIKI, Tamae YOSHIKAWA
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Patent number: 9315908Abstract: There is provided a method of production of chlorine.sodium hydroxide capable of being operated stably and economically by preventing calcium from being deposited in an ion exchange membrane. The liquid retention layer 3 having a liquid retention amount per unit volume of the liquid retention layer of 0.10 g-H2O/cm3 or more and 0.80 g-H2O/cm3 or less is put between the ion exchange membrane 12 and the gas diffusion electrode 16. Calcium ions transferred through the ion exchange membrane 12 easily diffuse, thereby making it possible to suppress increase in an electrolytic voltage and drop in current efficiency generated by deposition of the calcium ions inside the ion exchange membrane 12.Type: GrantFiled: October 1, 2010Date of Patent: April 19, 2016Assignees: CHLORINE ENGINEERS CORP., KANEKA CORPORATION, TOAGOSEI CO., LTD.Inventors: Tomonori Idutsu, Koji Saiki, Yukinori Iguchi, Kiyohito Asaumi
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Patent number: 9016207Abstract: A small, lightweight, and inexpensive gas generator for an airbag device. The gas generator for an airbag device according to the present invention includes: a deployment activating initiator that accommodates a predetermined amount of ignition powder and is activated by an impact on a vehicle; a main gas generating agent that generates a main gas for inflating an airbag when burned; a main gas generation chamber that accommodates the main gas generating agent; a secondary gas generation chamber that is provided in an interior of the main gas generation chamber and accommodates the initiator; and a secondary gas generating agent accommodated in the secondary gas generation chamber.Type: GrantFiled: January 21, 2010Date of Patent: April 28, 2015Assignee: Autoliv ASP, Inc.Inventors: Yoji Tasaki, Mitsuharu Nakamura, Ryutaro Shiraishi, Koji Saiki, Jianlin Chen
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Publication number: 20130153433Abstract: There is provided a method of production of chlorine.sodium hydroxide capable of being operated stably and economically by preventing calcium from being deposited in an ion exchange membrane. The liquid retention layer 3 having a liquid retention amount per unit volume of the liquid retention layer of 0.10 g-H2O/cm3 or more and 0.80 g-H2O/cm3 or less is put between the ion exchange membrane 12 and the gas diffusion electrode 16. Calcium ions transferred through the ion exchange membrane 12 easily diffuse, thereby making it possible to suppress increase in an electrolytic voltage and drop in current efficiency generated by deposition of the calcium ions inside the ion exchange membrane 12.Type: ApplicationFiled: October 1, 2010Publication date: June 20, 2013Inventors: Tomonori Idutsu, Koji Saiki, Yukinori Iguchi, Kiyohito Asaumi
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Patent number: 8197649Abstract: [Problems] The liquid pressure of an anode chamber in a two-chamber ion exchange membrane electrolytic cell using a gas diffusion electrode are different among one another depending on depths so that the liquid pressures are applied on an anode or an ion exchange membrane, thereby introducing damage or deformation of the elements. [Means for Solving] A cushion material 10 is accommodated between a cathode gas chamber back plate 9 and a gas diffusion electrode 7 of an ion exchange membrane electrolytic cell 1 such that a repulsive force of the cushion material at the bottom part of the cathode gas chamber is larger than that at the top part. The excessive pressure applied to an ion exchange membrane is suppressed to prevent the generation of scratches or the like by decreasing the repulsive force of the cushion material toward the top in accordance with a differential pressure between an anode chamber pressure and a cathode gas chamber pressure.Type: GrantFiled: May 17, 2006Date of Patent: June 12, 2012Assignees: Chlorine Engineers Corp., Ltd., Kaneka Corporation, Toagosei Co., Ltd.Inventors: Koji Saiki, Kiyohito Asaumi, Mitsuharu Hamamori, Tsugiyoshi Osakabe
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Patent number: 8191557Abstract: A universal hair tapering razor for tapering hair includes a cutting blade portion, a shank portion and a handle portion, the cutting blade portion including blade means having a cutting blade with a cutting edge for tapering hair, tapering regulating means, and blade holding means having a flat portion which comes into close contact with the panel of hair to be tapered, with the cutting edge and the outer surface of the flat portion both being on an identical reference plane, and the cutting blade is disposed at an angle ?1 in the range of 0°<?1?40° with respect to the reference plane, and the handle portion is disposed at an angle ?2 in the range of 10°??2?40° with respect to the cutting blade portion. There is also provided a universal hair tapering method of tapering hair that can create two or more different types of hairstyles as desired from one type of hair tapering, which method can be performed with this hair tapering razor.Type: GrantFiled: October 13, 2009Date of Patent: June 5, 2012Assignee: Nittchoyamato Co., Ltd.Inventor: Koji Saiki
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Publication number: 20120037030Abstract: A small, lightweight, and inexpensive gas generator for an airbag device. The gas generator for an airbag device according to the present invention includes: a deployment activating initiator that accommodates a predetermined amount of ignition powder and is activated by an impact on a vehicle; a main gas generating agent that generates a main gas for inflating an airbag when burned; a main gas generation chamber that accommodates the main gas generating agent; a secondary gas generation chamber that is provided in an interior of the main gas generation chamber and accommodates the initiator; and a secondary gas generating agent accommodated in the secondary gas generation chamber.Type: ApplicationFiled: January 21, 2010Publication date: February 16, 2012Inventors: Yoji Tasaki, Mitsuharu Nakamura, Ryutaro Shiraishi, Koji Saiki, Jianlin Chen
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Publication number: 20100294295Abstract: A universal hair tapering razor for tapering hair includes a cutting blade portion, a shank portion and a handle portion, the cutting blade portion including blade means having a cutting blade with a cutting edge for tapering hair, tapering regulating means, and blade holding means having a flat portion which comes into close contact with the panel of hair to be tapered, with the cutting edge and the outer surface of the flat portion both being on an identical reference plane, and the cutting blade is disposed at an angle ?1 in the range of 0°<?1 ?40° with respect to the reference plane, and the handle portion is disposed at an angle ?2 in the range of 10°??2?40° with respect to the cutting blade portion. There is also provided a universal hair tapering method of tapering hair that can create two or more different types of hairstyles as desired from one type of hair tapering, which method can be performed with this hair tapering razor.Type: ApplicationFiled: October 13, 2009Publication date: November 25, 2010Applicant: Nittchoyamato Co., Ltd.Inventor: Koji SAIKI
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Patent number: 7569083Abstract: In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alkyl ester of perfluorocarboxylic acid layer is positioned at its perfluoro compound layer surface with respect to the gas diffusion electrode assembly. Adjacent gas diffusion electrodes are heat fusion bonded together, or heat fusion bonding is carried out using the bonding piece in a frame form. Adjacent gas diffusion electrodes are sealed up by heat fusion bonding, using a material that is similar to the material that forms the gas diffusion electrodes.Type: GrantFiled: July 1, 2008Date of Patent: August 4, 2009Assignees: Chlorine Engineers Corp. Ltd., Tosoh Corporation, Mitsui Chemicals, Inc., Toagosei Co., Ltd., Kaneka Corporation, Asahi Glass Company, Limited, Asahi Kasei Chemicals Corporation, Daiso Co., Ltd., Tokuyama CorporationInventors: Shinji Katayama, Kiyohito Asaumi, Hiroaki Aikawa, Tsugiyoshi Osakabe, Mitsuharu Hamamori, Tatsuhito Kimura, Koji Saiki, Kenji Nonomura, Naoya Okada, Osamu Ichinose
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Publication number: 20090071820Abstract: [Problems] The liquid pressure of an anode chamber in a two-chamber ion exchange membrane electrolytic cell using a gas diffusion electrode are different among one another depending on depths so that the liquid pressures are applied on an anode or an ion exchange membrane, thereby introducing damage or deformation of the elements. [Means for Solving] A cushion material 10 is accommodated between a cathode gas chamber back plate 9 and a gas diffusion electrode 7 of an ion exchange membrane electrolytic cell 1 such that a repulsive force of the cushion material at the bottom part of the cathode gas chamber is larger than that at the top part. The excessive pressure applied to an ion exchange membrane is suppressed to prevent the generation of scratches or the like by decreasing the repulsive force of the cushion material toward the top in accordance with a differential pressure between an anode chamber pressure and a cathode gas chamber pressure.Type: ApplicationFiled: May 17, 2006Publication date: March 19, 2009Inventors: Koji Saiki, Kiyohito Asaumi, Mitsuharu Hamamori, Tsugiyoshi Osakabe
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Publication number: 20090016520Abstract: A receiving unit receives from a second terminal, a switching request message requesting switching of a counterpart of a communication that a third terminal is establishing with a first terminal, from the first terminal to the second terminal. When receiving the switching request message, a selecting unit selects one of the second and third terminals based on a predetermined rule, as a transmission source terminal that transmits an establishment request message requesting establishment of a communication between the second terminal and the third terminal. A transmitting unit transmits to the transmission source terminal, a transmission request message requesting transmission of the establishment request message.Type: ApplicationFiled: July 7, 2008Publication date: January 15, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koji Saiki, Mitsuru Kanda, Yasuyuki Kozakai
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Publication number: 20080271847Abstract: In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alkyl ester of perfluorocarboxylic acid layer is positioned at its perfluoro compound layer surface with respect to the gas diffusion electrode assembly. Adjacent gas diffusion electrodes are heat fusion bonded together, or heat fusion bonding is carried out using the bonding piece in a frame form. Adjacent gas diffusion electrodes are sealed up by heat fusion bonding, using a material that is similar to the material that forms the gas diffusion electrodes.Type: ApplicationFiled: July 1, 2008Publication date: November 6, 2008Applicants: CHLORINE ENGINEERS CORP., LTD., TOSOH CORPORATION, MITSUI CHEMICALS, INC., TOAGOSEI CO., LTD., KANEKA CORPORATION, ASAHI GLASS COMPANY, LIMITED, ASAHI KASEI CHEMICALS CORPORATION, DAISO CO., LTD., TOKUYAMA CORPORATIONInventors: Shinji Katayama, Kiyohito Asaumi, Hiroaki Aikawa, Tsugiyoshi Osakabe, Mitsuharu Hamamori, Tatsuhito Kimura, Koji Saiki, Kenji Nonomura, Naoya Okada, Osamu Ichinose
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Patent number: 7404878Abstract: In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alkyl ester of perfluorocarboxylic acid layer is positioned at its perfluoro compound layer surface with respect to the gas diffusion electrode assembly. Adjacent gas diffusion electrodes are heat fusion bonded together, or heat fusion bonding is carried out using the bonding piece in a frame form. Adjacent gas diffusion electrodes are sealed up by heat fusion bonding, using a material that is similar to the material that forms the gas diffusion electrodes.Type: GrantFiled: March 30, 2004Date of Patent: July 29, 2008Assignees: Chlorine Engineers Corp., Ltd., Tosoh Corporation, Mitsui Chemicals, Inc., Toagosei Co., Ltd., Kaneka Corporation, Asahi Glass Company, Limited, Asahi Kasei Chemicals Corporation, Daiso Co., Ltd., Tokuyama CorporationInventors: Shinji Katayama, Kiyohito Asaumi, Hiroaki Aikawa, Tsugiyoshi Osakabe, Mitsuharu Hamamori, Tatsuhito Kimura, Koji Saiki, Kenji Nonomura, Naoya Okada, Osamu Ichinose
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Publication number: 20040256223Abstract: In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an alky ester of perfluorocarboxylic acid layer is positioned at its perfluoro compound layer surface with respect to the gas diffusion electrode assembly. Adjacent gas diffusion electrodes are heat fusion bonded together, or heat fusion bonding is carried out using the bonding piece in a frame form. Adjacent gas diffusion electrodes are sealed up by heat fusion bonding, using a material that is similar to the material that forms the gas diffusion electrodes.Type: ApplicationFiled: March 30, 2004Publication date: December 23, 2004Inventors: Shinji Katayama, Kiyohito Asaumi, Hiroaki Aikawa, Tsugiyoshi Osakabe, Mitsuharu Hamamori, Tatsuhito Kimura, Koji Saiki, Kenji Nonomura, Naoya Okada, Osamu Ichinose
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Patent number: 6488833Abstract: Provided is a process which permits, upon preparation of chlorine and a caustic alkali by electrolyzing an aqueous alkali chloride solution in an ion-exchange-membrane-method alkali chloride electrolytic cell equipped with a gas diffusion cathode, decrease of an excess ratio of an oxygen containing gas to be fed newly to the gas diffusion cathode and facilitates temperature control of the electrolytic cell. A process for electrolyzing an alkali chloride comprising: introducing saline water into an anode chamber of an ion-exchange-membrane-method alkali chloride electrolytic cell equipped with a gas diffusion cathode; and introducing an oxygen-containing gas into a gas chamber of a gas diffusion cathode, to thereby obtain chlorine in the anode chamber and an aqueous caustic alkali solution in the cathode chamber.Type: GrantFiled: March 8, 2001Date of Patent: December 3, 2002Assignees: Toagosei Co., Ltd., Kaneka Corporation, Mitsui Chemicals, Inc.Inventors: Akihiro Sakata, Koji Saiki, Takeshi Watanabe
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Patent number: 6402929Abstract: A method of operating an alkali chloride electrolytic cell, comprising: providing an alkali chloride electrolytic cell comprising a gas diffusion cathode and a cation-exchange membrane, the gas diffusion cathode and cation-exchange membrane defining a caustic chamber; allowing a caustic alkali aqueous solution to flow in the caustic chamber at a linear velocity of at least 1 cm/sec.Type: GrantFiled: July 7, 2000Date of Patent: June 11, 2002Assignees: Toagosei Co., Ltd., Kaneka Corporation, Mitsui Chemicals, Inc.Inventors: Akihiro Sakata, Koji Saiki, Takeshi Watanabe
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Patent number: D890572Type: GrantFiled: December 7, 2018Date of Patent: July 21, 2020Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Koji Saiki, Makoto Tsuri
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Patent number: D924823Type: GrantFiled: December 4, 2018Date of Patent: July 13, 2021Assignee: KOKUSAI ELECTRIC CORPORATIONInventors: Koji Saiki, Makoto Tsuri