Patents by Inventor Osamu Sakai
Osamu Sakai 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: 20180111793Abstract: An exemplary building traffic analyzer for an elevator includes: a video camera arranged in an elevator car; a traffic analyzer unit for collecting traffic data of passengers through the video camera; and a data storage unit for storing the traffic data of passengers collected by the traffic analyzer unit. The traffic analyzer unit is configured to identify and track each passenger for collecting the traffic data of each passenger including a boarding floor with boarding time and a destination floor with exiting time. The building traffic analyzer is configured to be temporarily attachable in the elevator car, such as on the ceiling or proximity to the elevator control panel.Type: ApplicationFiled: October 20, 2016Publication date: April 26, 2018Inventors: Hiromitsu Miyajima, Atsushi Yamada, Hideyuki Honma, Kenichi Ohmura, Osamu Sakai
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Publication number: 20170338505Abstract: A high-temperature fuel cell system includes a fuel cell that includes an anode and a cathode and that generates power by using a fuel gas and an oxidant gas, a fuel-gas path along which the fuel gas flows, an oxidant-gas path along which the oxidant gas flows, an anode-off-gas path along which an anode off-gas flows, a cathode-off-gas path along which a cathode off-gas flows, a combustion space in communication with the anode-off-gas path and the cathode-off-gas path and in which the anode off-gas and the cathode off-gas are burned, a flue-gas path along which a flue gas flows, a cathode-off-gas branch portion disposed on the cathode-off-gas path between the combustion space and the cathode and at which some of the cathode off-gas is branched from the cathode-off-gas path, and a first heat exchanger that enables heat exchange between the oxidant gas, the flue gas, and the cathode off-gas.Type: ApplicationFiled: May 9, 2017Publication date: November 23, 2017Inventors: OSAMU SAKAI, KUNIHIRO UKAI, YASUSHI KANEKO, SHIGENORI ONUMA, TAKASHI KAKUWA
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Publication number: 20170089997Abstract: In a first aspect this invention provides methods comprising administering an aqueous contrast agent to the vascular system of a subject, and performing a magnetic resonance scan to detect the MR signal enhancement effects of the aqueous contrast agent. In embodiments the magnetic resonance scan comprises applying at least one pulse sequence selected from a PD-weighted pulse sequence, a T1-weighted pulse sequence, a T2-weighted pulse sequence, and a D-weighted pulse sequence. In embodiments the magnetic resonance scan comprises applying a T1-weighted pulse sequence. A system for performing perfusion MRI comprising an aqueous contrast solution and an injection apparatus configured to provide a maximum injection rate of the aqueous contrast solution to a subject vascular system of at least about 5 ml/s. is also provided.Type: ApplicationFiled: May 14, 2015Publication date: March 30, 2017Applicant: BOSTON MEDICAL CENTER CORPORATIONInventors: Hernan JARA, Asim MIAN, Stephan ANDERSON, Osamu SAKAI, Alex NORBASH, Jorge SOTO
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Patent number: 9592993Abstract: An exemplary elevator passenger interface device includes a passenger communication component that facilitates communications between a passenger and an elevator system. Such communications include passenger input to request elevator service and information provided to the passenger. A controller controls the passenger communication component to control its functionality including providing selected information to the passenger. The controller includes a customization module configured to change the functionality of the passenger communication component responsive to authorized user input that is distinct from the passenger input. The authorized user input includes a selection of at least one of a feature used to present information to a passenger or a feature used to allow a passenger to request elevator service.Type: GrantFiled: July 15, 2011Date of Patent: March 14, 2017Assignee: Otis Elevator CompanyInventors: Matthew Joyce, Ashley Chapman, Osamu Sakai, Jannah A. Stanley, Vijay Jayachandran, Baudelaire St. Louis
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Publication number: 20170054170Abstract: A hydrogen purifier includes an electrolyte membrane including a proton conductive polymer, an anode having an anode catalyst layer disposed on one side of the electrolyte membrane, a cathode having a cathode catalyst layer disposed on the other side of the electrolyte membrane, a separator which has a fluid channel and through which carbon monoxide, hydrogen and oxygen are supplied to the anode, and a power supply that energizes the anode and the cathode, the anode catalyst layer including Pt, the cathode catalyst layer including Pt and Ru.Type: ApplicationFiled: August 2, 2016Publication date: February 23, 2017Inventors: HIDENOBU WAKITA, YASUHIKO ITOH, ATSUO OKAICHI, OSAMU SAKAI
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Patent number: 9522805Abstract: An exemplary system for communicating with an elevator passenger includes a plurality of elevator passenger interface devices configured to allow an elevator passenger to indicate at least an elevator service request. The interface devices are configured to communicate at least elevator service information to an elevator passenger. A server communicates with the plurality of interface devices. The server is configured to determine when there is input at any of the interface devices. The server is configured to determine a meaning of such input. The server is also configured to determine output to provide at the corresponding interface device and to communicate the determined output to the corresponding interface device. The determined output is responsive to the determined meaning of the input.Type: GrantFiled: July 15, 2011Date of Patent: December 20, 2016Assignee: Otis Elevator CompanyInventors: Matthew Joyce, Ashley Chapman, Osamu Sakai, Baudelaire St. Louis, Jannah A. Stanley
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Publication number: 20160329584Abstract: A fuel cell system includes: a reformer generating a reformed gas using a raw material; a fuel cell generating electric power; a raw material supply passage; a hydro-desulfurizer operative to remove sulfur component in the raw material; a recycle passage through which the reformed gas is supplied to the raw material supply passage provided upstream of the hydro-desulfurizer; a temperature detector detecting a temperature of the hydro-desulfurizer; and a controller, wherein: when the temperature of the hydro-desulfurizer reaches a predetermined temperature, the controller increases a flow rate of the raw material from a predetermined flow rate by a flow rate corresponding to a flow rate of the recycled gas, and then, the controller starts supplying the recycled gas to the recycle passage; and after the recycled gas reaches an upstream end of the recycle passage, the controller returns the flow rate of the raw material to the predetermined flow rate.Type: ApplicationFiled: February 13, 2015Publication date: November 10, 2016Inventors: Shigenori ONUMA, Noboru TANIGUCHI, Yasushi KANEKO, Toru SUKAWA, Osamu SAKAI, Yuichi MIKAMI, Hiroshi SHIRAHAMA, Toshiharu OTSUKA
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Publication number: 20160293981Abstract: A solid oxide fuel cell system includes: an igniting portion configured to ignite a raw material when starting up the solid oxide fuel cell system; a raw material supply portion configured to supply the raw material; a reforming air supply portion configured to supply reforming air; and an electric power generation air supply portion configured to supply electric power generation air. When starting up the solid oxide fuel cell system, the raw material supply portion supplies the raw material, and the electric power generation air supply portion supplies the electric power generation air. The igniting portion ignites the raw material. After the ignition, the reforming air supply portion supplies the reforming air. With this, the safety can be increased in consideration of characteristics in respective phases from the start-up of the solid oxide fuel cell system until the electric power generation.Type: ApplicationFiled: February 9, 2015Publication date: October 6, 2016Inventors: Osamu SAKAI, Tatsuo FUJITA, Kunihiro UKAI, Takashi KAKUWA, Taiichiro SAKAMOTO, Toshiharu OOE
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Publication number: 20150145173Abstract: A discharge plasma machining device that includes punches as a pressing unit for applying a pressure with respect to a machined item, a direct current pulse current generator as a pulse current applying unit for applying a pulse current with respect to the machined item, a spectroscope as a detection unit for detecting a spectrum of light of plasma generated by application of a pulse current, and a control unit for controlling a pulse current in accordance with a detection result of the detection unit.Type: ApplicationFiled: January 14, 2015Publication date: May 28, 2015Inventors: Satoru Hachinohe, Osamu Sakai
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Publication number: 20150045956Abstract: An exemplary elevator passenger interface device includes a passenger communication component that facilitates communications between a passenger and an elevator system. Such communications include passenger input to request elevator service and information provided to the passenger. A controller controls the passenger communication component to control its functionality including providing selected information to the passenger. The controller includes a customization module configured to change the functionality of the passenger communication component responsive to authorized user input that is distinct from the passenger input. The authorized user input includes a selection of at least one of a feature used to present information to a passenger or a feature used to allow a passenger to request elevator service.Type: ApplicationFiled: July 15, 2011Publication date: February 12, 2015Inventors: Matthew Joyce, Ashley Chapman, Osamu Sakai, Jannah A. Stanley, Vijay Jayachandran, Baudelaire St. Louis
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Patent number: 8940318Abstract: Disclosed is a sustainedly drug-releasing hydrogel contact lens which can sustainedly release an anionic medicament such as an allergy-treating agent in a mildly irritating and effective manner while achieving vision correction. Specifically disclosed is a hydrogel comprising ionic monomers composed of at least a cationic monomer and an anionic monomer, wherein the component ratio of the ionic monomers is 5 to 20 mol % inclusive relative to the total amount of monomers that constitute the gel, and the content of the anionic monomer is 15 to 25 mol % inclusive relative to the content of the cationic monomer.Type: GrantFiled: January 15, 2010Date of Patent: January 27, 2015Assignees: Seed Co., Ltd., Senju Pharmaceutical Co., Ltd.Inventors: Takao Sato, Toru Matsunaga, Aya Ichinokawa, Osamu Sakai
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Publication number: 20140151160Abstract: An exemplary system for communicating with an elevator passenger includes a plurality of elevator passenger interface devices configured to allow an elevator passenger to indicate at least an elevator service request. The interface devices are configured to communicate at least elevator service information to an elevator passenger. A server communicates with the plurality of interface devices. The server is configured to determine when there is input at any of the interface devices. The server is configured to determine a meaning of such input. The server is also configured to determine output to provide at the corresponding interface device and to communicate the determined output to the corresponding interface device. The determined output is responsive to the determined meaning of the input.Type: ApplicationFiled: July 15, 2011Publication date: June 5, 2014Applicant: Otis Elevator CompanyInventors: Matthew Joyce, Ashley Chapman, Osamu Sakai, Baudelaire St. Louis, Jannah A. Stanley
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Publication number: 20130017458Abstract: A controller (15) performs a stop operation of stopping electric power generation by a fuel cell (3); then performs an activity recovery operation of stopping the supply of a fuel gas by a fuel gas supply unit (10) to an anode (2a), causing an anode inert gas supply unit (13) to supply an inert gas to the anode (2a), and causing an oxidizing gas supply unit (11) to supply an oxidizing gas to a cathode (2b); and performs control such that the fuel gas supply unit (10) resumes supplying the fuel gas to the anode (2a) to resume the electric power generation by the fuel cell (3) after the cell voltage of the fuel cell (3) which is detected by a voltage detector (14) has decreased to a first voltage or lower.Type: ApplicationFiled: March 30, 2011Publication date: January 17, 2013Applicant: PANASONIC CORPORATIONInventors: Takahiro Umeda, Hiroki Kusakabe, Eiichi Yasumoto, Shigeyuki Unoki, Yasushi Sugawara, Soichi Shibata, Osamu Sakai
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Patent number: 8211539Abstract: A hydrogen separator comprising a porous substrate composed mainly of a ceramic having a large number of pores connecting from one surface of the substrate to other surface, and a hydrogen-separating layer made of a hydrogen permselective metal formed on the porous substrate via an intermediate layer made of an electron-conductive ceramic. The hydrogen separator hardly generates defects such as peeling, cracks or the like in the hydrogen-separating layer and is suitable for use even when the hydrogen separator is exposed to a heat cycle, used under high temperature conditions or/and used for long-term.Type: GrantFiled: February 18, 2011Date of Patent: July 3, 2012Assignee: NGK Insulators, Ltd.Inventors: Kenichi Noda, Osamu Sakai
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Patent number: 8128896Abstract: There is disclosed a permselective membrane reactor which efficiently forms hydrogen by use of a water-gas shift reaction and which is excellent in an aspect of manufacturing cost. In a permselective membrane reactor, a permselective membrane is a Pd membrane or a Pd alloy membrane, and a catalyst layer includes a first catalyst layer on the side of the permselective membrane and a second catalyst layer disposed apart from the permselective membrane. The first catalyst layer has a noble metal-based catalyst, and the second catalyst layer has an iron-based catalyst.Type: GrantFiled: March 24, 2008Date of Patent: March 6, 2012Assignee: NGK Insulators, Ltd.Inventors: Toshiyuki Nakamura, Nobuhiko Mori, Osamu Sakai, Koichi Katsurayama, Takashi Ina, Koki Hamada
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Publication number: 20110306661Abstract: Disclosed is a sustainedly drug-releasing hydrogel contact lens which can sustainedly release an anionic medicament such as an allergy-treating agent in a mildly irritating and effective manner while achieving vision correction. Specifically disclosed is a hydrogel comprising ionic monomers composed of at least a cationic monomer and an anionic monomer, wherein the component ratio of the ionic monomers is 5 to 20 mol % inclusive relative to the total amount of monomers that constitute the gel, and the content of the anionic monomer is 15 to 25 mol % inclusive relative to the content of the cationic monomer.Type: ApplicationFiled: January 15, 2010Publication date: December 15, 2011Applicants: SENJU PHARMACEUTICAL CO., LTD., SEED CO., LTD.Inventors: Takao Sato, Toru Matsunaga, Aya Ichinokawa, Osamu Sakai
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Publication number: 20110177414Abstract: There is provided a fuel cell power generation system that exhibits superior efficiency of power generation and durability. The fuel cell power generation system includes: a fuel cell 4 including a fuel electrode 2, an oxidant electrode 3, and an electrolyte 1 on which the fuel electrode 2 and the oxidant electrode 3 are formed; an output control unit 11 that controls an output of the fuel cell 4; and a determination unit 12 that determines, based on an integrated amount of impurities contained in an oxidant gas and supplied to the oxidant electrode 3, a time at which the fuel cell 4 is brought into an open circuit state. The output control unit 11 halts power generation of the fuel cell 4 for a predetermined period of time every time determined by the determination unit 12, thereby bringing the fuel cell 4 into the open circuit state.Type: ApplicationFiled: August 28, 2009Publication date: July 21, 2011Applicant: Panasonic CorporationInventors: Takahiro Umeda, Eiichi Yasumoto, Shigeyuki Unoki, Yasushi Sugawara, Soichi Shibata, Osamu Sakai
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Publication number: 20110139007Abstract: A hydrogen separator comprising a porous substrate composed mainly of a ceramic having a large number of pores connecting from one surface of the substrate to other surface, and a hydrogen-separating layer made of a hydrogen permselective metal formed on the porous substrate via an intermediate layer made of an electron-conductive ceramic. The hydrogen separator hardly generates defects such as peeling, cracks or the like in the hydrogen-separating layer and is suitable for use even when the hydrogen separator is exposed to a heat cycle, used under high temperature conditions or/and used for long-term.Type: ApplicationFiled: February 18, 2011Publication date: June 16, 2011Applicant: NGK Insulators, Ltd.Inventors: Ken-ichi NODA, Osamu Sakai
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Patent number: 7923105Abstract: A hydrogen separator comprising a porous substrate composed mainly of a ceramic having a large number of pores connecting from one surface of the substrate to other surface, and a hydrogen-separating layer made of a hydrogen permselective metal formed on the porous substrate via an intermediate layer made of an electron-conductive ceramic. The hydrogen separator hardly generates defects such as peeling, cracks or the like in the hydrogen-separating layer and is suitable for use even when the hydrogen separator is exposed to a heat cycle, used under high temperature conditions or/and used for long-term.Type: GrantFiled: November 21, 2005Date of Patent: April 12, 2011Assignee: NGK Insulators, Ltd.Inventors: Ken-ichi Noda, Osamu Sakai
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Publication number: 20100248045Abstract: A fuel cell system of the present invention includes: a fuel cell (10) having a fuel gas internal channel (11) and an oxidizing gas internal channel (12); oxidizing gas supplying passages (62) and (64); an oxidizing gas supplying device (31); oxidizing gas discharging passages (65) and (66) each having an upstream end communicated with the oxidizing gas internal channel (12) and a downstream end connected to the oxidizing gas supplying passage (64); a moisture exchanger (32) disposed on both the oxidizing gas supplying passage (62) and the oxidizing gas discharging passage (65); a gas circulating passage forming/canceling device (34) disposed on the oxidizing gas discharging passage (66); an air blower (35) configured to circulate a gas in a gas circulating passage; and an atmosphere communicating/closing device (33) disposed on the oxidizing gas supplying passage (62).Type: ApplicationFiled: November 17, 2008Publication date: September 30, 2010Inventors: Osamu Sakai, Eiichi Yasumoto, Yasushi Sugawara, Hideo Ohara, Takayuki Urata