Patents by Inventor Kazuaki Maeda
Kazuaki Maeda 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).
-
Publication number: 20240143958Abstract: The present invention includes: an identification code generation unit that generates, from information of a company code including a first code that uniquely identifies a management target in a part of a company in the part of the company and a second code that identifies the part of the company, an identification code including a history of the management target; a hash processing unit that hashes the identification code generated by the identification code generation unit according to a hash function and converts the hashed identification code into a meaningless code; and a reference code generation unit that generates a reference code unified for the entire company based on the meaningless code converted by the hash processing unit.Type: ApplicationFiled: February 25, 2022Publication date: May 2, 2024Inventors: Tomohisa KOHIYAMA, Sadao SATOU, Atsushi SAGARA, Yoshiyasu WATANABE, Hideaki YOKOTA, Kazuaki IKARASHI, Hiroyuki KAWASAKI, Katsunori MAEDA, Keigo FUJIWARA, Kazunobu HISATSUNE
-
Publication number: 20220330732Abstract: Please delete the current abstract and add the following new paragraph as the abstract. A head cooler improves sleep quality without overcooling the head of a sleeping person. A head cooler includes a main body, a pillow, and a connector. The main body sends out a liquid for circulation between the main body and the pillow through the connector. The main body includes a temperature adjuster that adjusts a temperature of the liquid, a pump that sends out the liquid toward the pillow, and a controller that controls the temperature adjuster and the pump to adjust a temperature of the pillow at a first target temperature of 22 to 24° C. until an elapsed time from start of cooling reaches a target time of 200 to 250 minutes.Type: ApplicationFiled: August 29, 2020Publication date: October 20, 2022Inventors: Kazuaki MAEDA, Toshiaki SUGIMORI, Susumu SAKAMOTO, Yuta SAITO
-
Patent number: 10137552Abstract: A polishing apparatus polishes a periphery of a substrate by bringing a polishing tool into sliding contact with the substrate. The polishing apparatus includes a substrate-holding mechanism configured to hold a substrate and rotate the substrate, a polishing mechanism configured to press a polishing tool against a periphery of the substrate so as to polish the periphery, and a periphery-supporting mechanism configured to support the periphery of the substrate by a fluid. The periphery-supporting mechanism is configured to support a surface of the substrate from an opposite side or the same side of the periphery of the substrate.Type: GrantFiled: April 12, 2017Date of Patent: November 27, 2018Assignee: EBARA CORPORATIONInventors: Kazuaki Maeda, Tamami Takahashi, Masaya Seki, Hiroaki Kusa
-
Patent number: 10065152Abstract: An energy recovery apparatus used in the seawater desalination system includes a cylindrical chamber (CH) having a space for containing concentrated seawater and seawater therein and being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port (P1) provided at the lower part of the chamber (CH) for supplying and discharging the concentrated seawater, a seawater port (P2) provided at the upper part of the chamber (CH) for supplying and discharging the seawater, a flow resistor (23) provided at a concentrated seawater port side in the chamber, and a flow resistor (23) provided at a seawater port side in the chamber. A circular plate (30) having a hole at the center thereof is provided between the concentrated seawater port (P1) and the flow resistor (23), or between the seawater port (P2) and the flow resistor (23).Type: GrantFiled: March 28, 2014Date of Patent: September 4, 2018Assignee: EBARA CORPORATIONInventors: Tamami Takahashi, Masanori Goto, Kazuaki Maeda
-
Publication number: 20170216989Abstract: A polishing apparatus polishes a periphery of a substrate by bringing a polishing tool into sliding contact with the substrate. The polishing apparatus includes a substrate-holding mechanism configured to hold a substrate and rotate the substrate, a polishing mechanism configured to press a polishing tool against a periphery of the substrate so as to polish the periphery, and a periphery-supporting mechanism configured to support the periphery of the substrate by a fluid. The periphery-supporting mechanism is configured to support a surface of the substrate from an opposite side or the same side of the periphery of the substrate.Type: ApplicationFiled: April 12, 2017Publication date: August 3, 2017Inventors: Kazuaki MAEDA, Tamami TAKAHASHI, Masaya SEKI, Hiroaki KUSA
-
Patent number: 9649739Abstract: A polishing apparatus polishes a periphery of a substrate by bringing a polishing tool into sliding contact with the substrate. The polishing apparatus includes a substrate-holding mechanism configured to hold a substrate and rotate the substrate, a polishing mechanism configured to press a polishing tool against a periphery of the substrate so as to polish the periphery, and a periphery-supporting mechanism configured to support the periphery of the substrate by a fluid. The periphery-supporting mechanism is configured to support a surface of the substrate from an opposite side or the same side of the periphery of the substrate.Type: GrantFiled: August 18, 2015Date of Patent: May 16, 2017Assignee: EBARA CORPORATIONInventors: Kazuaki Maeda, Tamami Takahashi, Masaya Seki, Hiroaki Kusa
-
Publication number: 20160051933Abstract: An energy recovery apparatus used in the seawater desalination system includes a cylindrical chamber (CH) having a space for containing concentrated seawater and seawater therein and being installed such that a longitudinal direction of the chamber is placed in a vertical direction, a concentrated seawater port (P1) provided at the lower part of the chamber (CH) for supplying and discharging the concentrated seawater, a seawater port (P2) provided at the upper part of the chamber (CH) for supplying and discharging the seawater, a flow resistor (23) provided at a concentrated seawater port side in the chamber, and a flow resistor (23) provided at a seawater port side in the chamber. A circular plate (30) having a hole at the center thereof is provided between the concentrated seawater port (P1) and the flow resistor (23), or between the seawater port (P2) and the flow resistor (23).Type: ApplicationFiled: March 28, 2014Publication date: February 25, 2016Inventors: Tamami TAKAHASHI, Masanori GOTO, Kazuaki MAEDA
-
Publication number: 20150352682Abstract: A polishing apparatus polishes a periphery of a substrate by bringing a polishing tool into sliding contact with the substrate. The polishing apparatus includes a substrate-holding mechanism configured to hold a substrate and rotate the substrate, a polishing mechanism configured to press a polishing tool against a periphery of the substrate so as to polish the periphery, and a periphery-supporting mechanism configured to support the periphery of the substrate by a fluid. The periphery-supporting mechanism is configured to support a surface of the substrate from an opposite side or the same side of the periphery of the substrate.Type: ApplicationFiled: August 18, 2015Publication date: December 10, 2015Inventors: Kazuaki MAEDA, Tamami TAKAHASHI, Masaya SEKI, Hiroaki KUSA
-
Patent number: 9138854Abstract: A polishing apparatus polishes a periphery of a substrate by bringing a polishing tool into sliding contact with the substrate. The polishing apparatus includes a substrate-holding mechanism configured to hold a substrate and rotate the substrate, a polishing mechanism configured to press a polishing tool against a periphery of the substrate so as to polish the periphery, and a periphery-supporting mechanism configured to support the periphery of the substrate by a fluid. The periphery-supporting mechanism is configured to support a surface of the substrate from an opposite side or the same side of the periphery of the substrate.Type: GrantFiled: March 5, 2009Date of Patent: September 22, 2015Assignee: EBARA CORPORATIONInventors: Kazuaki Maeda, Tamami Takahashi, Masaya Seki, Hiroaki Kusa
-
Patent number: 9011688Abstract: An energy exchange chamber is used for exchanging pressure energy between concentrated seawater discharged from a reverse-osmosis membrane-separation apparatus and a part of seawater to be treated by the reverse-osmosis membrane separation apparatus in a seawater desalination system. The energy exchange chamber includes a concentrated seawater distributor communicating with a concentrated seawater port and configured to distribute a flow of concentrated seawater all over a horizontal plane of an interior of a chamber, and a seawater distributor communicating with a seawater port and configured to distribute a flow of seawater all over the horizontal plane of the interior of the chamber. The concentrated seawater and the seawater introduced into the chamber are brought into direct contact with each other over the horizontal plane of the interior of the chamber to exchange pressure energy between the concentrated seawater and the seawater introduced into the chamber.Type: GrantFiled: April 16, 2012Date of Patent: April 21, 2015Assignee: Ebara CorporationInventors: Tamami Takahashi, Kazuaki Maeda, Masanori Goto
-
Patent number: 8709780Abstract: The present invention aims to provide a method which enables efficient removal of impurities such as the host proteins from an influenza virus culture liquid by a simple operation, allowing separation and purification of an influenza virus antigen. The method of the present invention for producing a purified influenza virus antigen comprises the step of treating a sample containing an influenza virus with a surfactant, the step of bringing the sample after the treatment into contact with hydroxyapatite in the presence of the surfactant, and the step of recovering a hydroxyapatite-non-adsorbed fraction.Type: GrantFiled: September 29, 2009Date of Patent: April 29, 2014Assignee: Denka Seiken Co., Ltd.Inventors: Koichi Takahashi, Kazuaki Maeda, Noriyuki Izutani, Shinichi Yanagi, Yukiko Nakashima
-
Publication number: 20130233785Abstract: An energy recovery apparatus exchanges pressure energy between concentrated seawater discharged from a reverse-osmosis membrane-separation apparatus and a part of seawater to be treated by the reverse-osmosis membrane-separation apparatus in a seawater desalination system for producing fresh water from the seawater. The energy recovery apparatus includes two perforated plates provided at a concentrated seawater port side in a chamber, and two perforated plates provided at a seawater port side in the chamber. The two perforated plates comprises a first perforated plate and a second perforated plate. The first perforated plate and the second perforated plate at the concentrated seawater port side and the seawater port side are arranged to meet certain requirements including one of an open area ratio of the first perforated plate, an open area ratio of the second perforated plate, and a distance between the first perforated plate and the second perforated plate.Type: ApplicationFiled: March 6, 2013Publication date: September 12, 2013Applicant: EBARA CORPORATIONInventors: Tamami TAKAHASHI, Masanori GOTO, Kazuaki MAEDA
-
Publication number: 20120267292Abstract: An energy exchange chamber is used for exchanging pressure energy between concentrated seawater discharged from a reverse-osmosis membrane-separation apparatus and a part of seawater to be treated by the reverse-osmosis membrane separation apparatus in a seawater desalination system. The energy exchange chamber includes a concentrated seawater distributor communicating with a concentrated seawater port and configured to distribute a flow of the concentrated seawater flowing therein all over a horizontal plane of an interior of a chamber, and a seawater distributor communicating with a seawater port and configured to distribute a flow of the seawater flowing therein all over a horizontal plane of the interior of the chamber. The concentrated seawater and the seawater introduced into the chamber are brought into direct contact with each other over the horizontal plane of the interior of the chamber to exchange pressure energy between the concentrated seawater and the seawater.Type: ApplicationFiled: April 16, 2012Publication date: October 25, 2012Inventors: Tamami Takahashi, Kazuaki Maeda, Masanori Goto
-
Publication number: 20120244220Abstract: The present invention provides an atorvastatin-containing coated preparation comprising a solid formulation containing atorvastatin, a pharmacologically acceptable atorvastatin salt, or a solvate thereof coated with a coating agent comprising a polyvinyl alcohol copolymer, a method for inhibiting generation of related substances of atorvastatin, a pharmacologically acceptable atorvastatin salt, or a solvate thereof, comprising coating the solid formulation with a coating agent comprising a polyvinyl alcohol copolymer, and a method for stabilizing atorvastatin, a pharmacologically acceptable atorvastatin salt, or a solvate thereof.Type: ApplicationFiled: November 8, 2010Publication date: September 27, 2012Applicant: SAWAI PHARMACEUTICAL CO., LTD.Inventors: Toshihiro Yanagi, Kenji Nozawa, Kazuaki Maeda, Shinya Takada, Yasufumi Okamura
-
Publication number: 20110182940Abstract: The present invention aims to provide a method which enables efficient removal of impurities such as the host proteins from an influenza virus culture liquid by a simple operation, allowing separation and purification of an influenza virus antigen. The method of the present invention for producing a purified influenza virus antigen comprises the step of treating a sample containing an influenza virus with a surfactant, the step of bringing the sample after the treatment into contact with hydroxyapatite in the presence of the surfactant, and the step of recovering a hydroxyapatite-non-adsorbed fraction.Type: ApplicationFiled: September 29, 2009Publication date: July 28, 2011Inventors: Koichi Takahashi, Kazuaki Maeda, Noriyuki Izutani, Shinichi Yanagi, Yukiko Nakashima
-
Publication number: 20090227189Abstract: A polishing apparatus polishes a periphery of a substrate by bringing a polishing tool into sliding contact with the substrate. The polishing apparatus includes a substrate-holding mechanism configured to hold a substrate and rotate the substrate, a polishing mechanism configured to press a polishing tool against a periphery of the substrate so as to polish the periphery, and a periphery-supporting mechanism configured to support the periphery of the substrate by a fluid. The periphery-supporting mechanism is configured to support a surface of the substrate from an opposite side or the same side of the periphery of the substrate.Type: ApplicationFiled: March 5, 2009Publication date: September 10, 2009Inventors: Kazuaki Maeda, Tamami Takahashi, Masaya Seki, Hiroaki Kusa
-
Publication number: 20070277930Abstract: A substrate cleaning apparatus does not need positioning of a transport system on start-up of the apparatus and can reduce the installation area of the apparatus. The substrate cleaning apparatus includes a base-integrated frame (1) in which are mounted a substrate transport device (2) for transporting a substrate, at least one substrate processing unit (3) for processing the substrate, a substrate loading port (5) for placing a substrate-housing cassette (4) on it, and a processing liquid supply apparatus (6) for supplying a processing liquid to the substrate processing unit, wherein maintenance of the substrate processing unit (3) can be performed from the backside of the apparatus.Type: ApplicationFiled: September 14, 2005Publication date: December 6, 2007Inventors: Toshi Yokoyama, Seiji Katsuoka, Takahiro Ogawa, Kaoru Yamada, Kazuaki Maeda
-
Patent number: 7035395Abstract: The present invention provides a digital communication system which is free from noise generated in a receiver. A transmitter converts an analog input signal to a digital signal, and then a power level detector 5 compares the digital signal with a predetermined level. In accordance with the result, the transmitter transmits a transmission signal which includes the digital signal or a digital signal amplified from that digital signal, and a control bit indicative of the result of comparison. The receiver, in accordance with the control bit included in the received digital signal, outputs an analog signal converted from the received digital signal or an analog signal converted from the received digital signal after it is digitally amplified.Type: GrantFiled: January 30, 2001Date of Patent: April 25, 2006Assignee: Toa CorporationInventor: Kazuaki Maeda
-
Publication number: 20030123480Abstract: The present invention provides a digital communication system which is free from noise generated in a receiver. A transmitter converts an analog input signal to a digital signal, and then a power level detector 5 compares the digital signal with a predetermined level. In accordance with the result, the transmitter transmits a transmission signal which includes the digital signal or a digital signal amplified from that digital signal, and a control bit indicative of the result of comparison. The receiver, in accordance with the control bit included in the received digital signal, outputs an analog signal converted from the received digital signal or an analog signal converted from the received digital signal after it is digitally amplified.Type: ApplicationFiled: November 14, 2002Publication date: July 3, 2003Inventor: Kazuaki Maeda
-
Patent number: 6269548Abstract: A spin processing apparatus can prevent contamination of workpieces by wear particles, and can operate at high efficiency while lowering the noise level associated with the operation of the apparatus. The spin processing apparatus includes a chamber, a spin holder disposed inside the chamber for holding workpieces, and driver device for rotating the spin holder. A supporting device is provided for rotatably supporting the spin holder in a non-contact manner through a magnetically-operated mechanism.Type: GrantFiled: October 14, 1998Date of Patent: August 7, 2001Assignee: Ebara CorporationInventors: Hiroyuki Shinozaki, Junichiro Yoshioka, Kazuaki Maeda, Akihisa Hongo