Patents by Inventor Hiroshi Tsuji

Hiroshi Tsuji 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).

  • Patent number: 9093890
    Abstract: It is an object to balance suppression of a leakage magnetic field and driving performance. In a linear motor including a stator including a first yoke having an open face and two rows of permanent magnets linearly arrayed inside the first yoke so that S-poles and N-poles are alternate and a movable element arranged between the two rows of permanent magnets and linearly moving, a second yoke is connected to an open end of the first yoke so as to cover the open end of the first yoke and the permanent magnets when viewed from the open face of the first yoke.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: July 28, 2015
    Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Hideki Tanaka, Masahiro Koyama, Masaki Mizuochi, Hiroshi Tsuji
  • Publication number: 20150197624
    Abstract: The present invention relates to a flame-retarding agent comprising a phosphoramidate compound represented by Formula (I): wherein R1 and R2 are each independently C1-3 alkyl, R11 and R12 are each independently C1-3 alkylene, R13 is C1-6 alkylene, B1 is hydrogen or C1-6 alkyl, and A is hydrogen or an organic group represented by Formula (Ia): wherein R3 and R4 are each independently C1-3 alkyl, R14 and R15 are each independently C1-3 alkylene, and B2 is hydrogen or C1-6 alkyl, wherein when B1 is C1-6 alkyl, and A is hydrogen, B1 and R13-A, taken together with nitrogen to which they are attached, may form a non-aromatic nitrogen-containing heterocycle, and wherein when B1 is C1-6 alkyl, A is an organic group represented by Formula (Ia), and B2 is C1-6 alkyl, B1 and B2, taken together with nitrogen to which they are attached and with R13, may form a non-aromatic nitrogen-containing heterocycle.
    Type: Application
    Filed: June 24, 2013
    Publication date: July 16, 2015
    Inventors: Takehiro Ueki, Tomoe Takemoto, Hiroshi Tsuji
  • Patent number: 9021921
    Abstract: A torque wrench equipped with a cam-type torque detection mechanism is provided which is capable of detecting a torque with high accuracy, providing a non-unusual-feeling of handle operation after torque has been detected, and enabling tightening of fastened members such as bolts with safety.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: May 5, 2015
    Assignee: Tohnichi Mfg. Co. Ltd.
    Inventors: Tomohiro Ogata, Koichi Shimura, Yuji Kato, Shozo Aikawa, Hiroshi Tsuji
  • Publication number: 20150053857
    Abstract: The purpose of the present invention is to provide a stage apparatus that effectively suppresses the transmission of heat generated by a drive mechanism to a sample, and a charged particle beam apparatus using the same. In order to achieve the purpose, there are proposed a stage apparatus and a charged particle beam apparatus. The stage apparatus comprises a table; a drive source that drives the table in a predetermined direction; a first connection member provided between the table and the drive source; a second connection member provided between the table and the drive source and closer to the drive source than the first member; a slide unit supported by the second connection member; and a rail guiding the slide unit in a predetermined direction, the first connection member comprising a member having a relatively low heat conductivity with respect to the second connection member.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 26, 2015
    Inventors: Akira NISHIOKA, Masaki MIZUOCHI, Shuichi NAKAGAWA, Hiroshi TSUJI
  • Publication number: 20150044405
    Abstract: A polypropylene-based resin composition is provided that can provide a foam molding that exhibits an excellent closed cell characteristic and excellent extrusion characteristics, that is light weight and has a rigid feel, and that has an excellent recyclability.
    Type: Application
    Filed: October 17, 2012
    Publication date: February 12, 2015
    Applicant: JAPAN POLYPROPYLENE CORPORATION
    Inventors: Motoki Kaneno, Koji Yamashita, Hiroshi Tsuji, Akihiro Suzuki, Shinichi Kitade, Masaru Aoki, Isamu Terayama
  • Patent number: 8946652
    Abstract: Provided is a sample positioning technology wherein micro-vibrations of a top table on which a sample is placed are suppressed such that the quality of an image to be observed or the precision of a measured dimension value can be improved. A sample positioning apparatus according to the present invention is provided with an active brake for stopping the top table, an inner frame which surrounds the active brake, an outer frame which surrounds the inner frame, and actuators for driving the active brake. The actuators, after driving the active brake to stop the top table with respect to a stage, press the outer frame to adjust the position of the top table.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: February 3, 2015
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Motohiro Takahashi, Hironori Ogawa, Nobuo Shibata, Masaki Mizuochi, Shuichi Nakagawa, Hiroshi Tsuji
  • Publication number: 20140328101
    Abstract: A voltage conversion circuit has a plurality of primary capacitors charged by a power supply, a secondary capacitor connected in parallel to the respective plurality of primary capacitors that is charged at a voltage supplied to a load circuit, a plurality of switching circuits provided in association with the respective plurality of primary capacitors that change over a connection state between the primary capacitors and the secondary capacitor, and a connection control circuit that successively connects the respective primary capacitors to the secondary capacitor through the corresponding switching circuits, the respective primary capacitors across which the charging voltages reach a predetermined connection voltage higher than a charging voltage across the secondary capacitor.
    Type: Application
    Filed: August 28, 2012
    Publication date: November 6, 2014
    Applicant: OMRON CORPORATION
    Inventors: Hiroshi Sameshima, Misato Nabeto, Tatsuakira Masaki, Hiroshi Tsuji
  • Publication number: 20140312246
    Abstract: Provided is a sample positioning technology wherein micro-vibrations of a top table on which a sample is placed are suppressed such that the quality of an image to be observed or the precision of a measured dimension value can be improved. A sample positioning apparatus according to the present invention is provided with an active brake for stopping the top table, an inner frame which surrounds the active brake, an outer frame which surrounds the inner frame, and actuators for driving the active brake. The actuators, after driving the active brake to stop the top table with respect to a stage, press the outer frame to adjust the position of the top table.
    Type: Application
    Filed: November 8, 2012
    Publication date: October 23, 2014
    Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Motohiro Takahashi, Hironori Ogawa, Nobuo Shibata, Masaki Mizuochi, Shuichi Nakagawa, Hiroshi Tsuji
  • Patent number: 8835883
    Abstract: A charged particle radiation device includes a sample chamber in which a sample stage adapted to mount a sample is installed, a charged particle radiation irradiation section adapted to irradiate the sample with a charged particle radiation to observe and fabricate the sample, sidewalls installed on a periphery of the sample chamber and the charged particle radiation irradiation section, a ceiling board installed on a plane located in an upper part of the sidewalls, and a sound absorbing structure section disposed below the ceiling board, and including a plurality of hole sections and a hollow section communicated with the hole sections. The sound absorbing structure section has an absorption band including a frequency band of a standing wave generated in a space surrounded by the sidewalls and the ceiling board. Further, a soundproof cover may include the sidewalls, ceiling board and sound absorbing structure.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: September 16, 2014
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Daisuke Muto, Masanori Watanabe, Hiroshi Tsuji, Masaru Matsushima
  • Patent number: 8822715
    Abstract: A method for producing an aromatic diphosphate comprising: Step 1 which is a step where a specific aromatic monohydroxy compound having a steric hindrance group at ortho-positions is made to react with phosphorus oxyhalide in the presence of a Lewis acid catalyst and then the unreacted phosphorus oxyhalide is removed under a reduced pressure to give a specific; and Step 2 which is a step where the reaction product obtained in the above step is made to react with a specific aromatic dihydroxy compound in an amount of 0.5 mol to 1 mol of halogen contained in the reaction product in the presence of a Lewis acid catalyst to give a specific aromatic diphosphate.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: September 2, 2014
    Assignee: Daihachi Chemical Industry Co., Ltd.
    Inventors: Kiyoharu Hirao, Katsuichi Ohtsuki, Hiroshi Tsuji, Hiroki Sato
  • Publication number: 20140167957
    Abstract: Disclosed are a locator system, a mobile information terminal, and a locator that realize a specific apparatus (locator) small in size and with a low price and that make it possible to easily find a lost device by building a link with a highly functional mobile information terminal. The mobile information terminal performs an operation of calling the locator regularly, performs location information calculation using a GPS, and stores self-location data in a storage section. The mobile information terminal records self-location data before and after being determined to be lost, so that a map can be displayed based on the self-location data, and the location of the locator can be efficiently found.
    Type: Application
    Filed: December 10, 2013
    Publication date: June 19, 2014
    Applicant: Panasonic Corporation
    Inventors: Hiroshi Tsuji, Yutaka Ikeda, Shinya Hokazono
  • Patent number: 8729467
    Abstract: Provided is a charged particle radiation device enabling suppression of both inclination and vertical vibration of a charged particle optical lens barrel, with a simple configuration. A charged particle radiation device according to the present invention includes a vibration damping member (19) including viscoelastic material sheets (16A and 16B) sandwiched by support plates (17A and 17B), and is configured so that a plane including a sheet surface of each viscoelastic material sheet is not perpendicular to a center axis of the charged particle optical lens barrel.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: May 20, 2014
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Hiroshi Tsuji, Ichiro Tachibana
  • Patent number: 8629410
    Abstract: Disclosed is a high resolution and high throughput charged particle radiation device that attenuates the natural vibration of an ion pump in a short time, excited by a reaction force at the time of driving the stage, and prevents occurrence of a loop of force and a loop of current. The charged particle radiation device includes a sample chamber (4) for disposing a sample (3) therein, a charged particle radiation optical lens tube (1) for irradiating the sample (3) with charged particle radiation (10), ion pumps (2a, 2b) for evacuating the charged particle radiation optical lens tube (1), a frame (16) fixedly attached to the sample chamber (4), the frame (16) facing one end of each of the ion pumps (2a, 2b), and vibration absorbers provided between the frame (16) and the one end of each of the ion pumps (2a, 2b), each of the vibration absorbers including a layered structure which includes a viscoelastic sheet (20a, 20b) sandwiched between metal plates (18a, 18b, 21a, 21b).
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: January 14, 2014
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Hiroshi Tsuji, Kouji Ishiguro, Ichiro Tachibana, Naomasa Suzuki, Katsunori Onuki
  • Patent number: 8606818
    Abstract: A volatile memory manager of a data handling system can be configured to convert the one-to-many external reference into an external reference that references the common ancestor node of the contiguous region. Specific pathing and/or termination conditions can be contained in a Relationship_Path parameter of the external reference. The hierarchical data structure can also be loaded into volatile memory by the volatile memory manager as data structure references. The volatile memory manager can be further configured to perform various functions utilizing the external and data structure references.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: December 10, 2013
    Assignee: International Business Machines Corporation
    Inventors: Anita O. L. Leung, John Mourra, C. Lorne Parsons, Kevin Quan, Crystal J. Su, Grant D. Taylor, Hiroshi Tsuji
  • Publication number: 20130201742
    Abstract: A voltage converting circuit includes a plurality of first capacitors that are charged by a power source, a second capacitor, connected in parallel to the plurality of first capacitors, which is able to be charged to a voltage that is supplied to a load circuit, and a plurality of switching circuits, provided in such a way as to correspond to the plurality of first capacitors, each of which switches states of connection between its corresponding first capacitor and the second capacitor. The first capacitors are sequentially connected to the second capacitor through the corresponding switching circuits as charging voltages of the first capacitors reach a predetermined connection voltage that is higher than a charging voltage of the second capacitor so that the first capacitors are not short-circuited with each other.
    Type: Application
    Filed: March 16, 2011
    Publication date: August 8, 2013
    Applicant: OMRON CORPORATION
    Inventors: Misato Nabeto, Kenji Sakurrai, Tatsuakira Masaki, Hiroshi Sameshima, Hiroshi Tsuji
  • Patent number: 8502871
    Abstract: A gauge line position measuring device measures a position of a gauge line provided on a test piece by a non-contact video method. The measuring device includes a gauge line mark adapted to be provided on the test piece and has the gauge line and a first continuous harmonious color density arranged line-symmetrically with respect to the gauge line, and a video camera for taking an image of the gauge line mark on the test piece and outputting gauge line mark image data. A calculation device calculates a gauge line position based on the gauge line mark image data.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: August 6, 2013
    Assignee: Shimadzu Corporation
    Inventor: Hiroshi Tsuji
  • Patent number: 8443702
    Abstract: To make improvements in torque wrenches with a torque limiter that uses a cam mechanism and to provide a torque wrench that realizes more stable operation and is capable of highly precise tightening. In a torque wrench with a torque limiter that uses a cam mechanism, a solid columnar roller member 14 is engaged with a cam part 7 of a cam shaft 8 such that it is rotatably supported by a roller support lever member 12 mounted in a head portion 2 such as to be rotatable around a support shaft 16 and such that it is pressed against the cam part 7 by a spring force transmitting rod 18 biased by a torque setting spring. The roller support lever member 12 is configured such that the distance r2 from the support shaft 16 to a point of application of force of the spring force transmitting rod 18 is longer than the distance r1 from the support shaft 16 to the roller member 14.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: May 21, 2013
    Assignee: Tohnichi Mfg. Co. Ltd.
    Inventors: Kyo Kan, Shozo Aikawa, Tomohiro Ogata, Naoya Masuda, Hiroshi Tsuji
  • Publication number: 20130090490
    Abstract: A method for producing an aromatic diphosphate comprising: Step 1 which is a step where a specific aromatic monohydroxy compound having a steric hindrance group at ortho-positions is made to react with phosphorus oxyhalide in the presence of a Lewis acid catalyst and then the unreacted phosphorus oxyhalide is removed under a reduced pressure to give a specific; and Step 2 which is a step where the reaction product obtained in the above step is made to react with a specific aromatic dihydroxy compound in an amount of 0.5 mol to 1 mol of halogen contained in the reaction product in the presence of a Lewis acid catalyst to give a specific aromatic diphosphate.
    Type: Application
    Filed: June 21, 2011
    Publication date: April 11, 2013
    Applicant: DAIHACHI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Kiyoharu Hirao, Katsuichi Ohtsuki, Hiroshi Tsuji, Hiroki Sato
  • Publication number: 20130082194
    Abstract: A charged particle radiation device includes a sample chamber in which a sample stage adapted to mount a sample is installed, a charged particle radiation irradiation section adapted to irradiate the sample with a charged particle radiation to observe and fabricate the sample, sidewalls installed on a periphery of the sample chamber and the charged particle radiation irradiation section, a ceiling board installed on a plane located in an upper part of the sidewalls, and a sound absorbing structure section disposed below the ceiling board, and including a plurality of hole sections and a hollow section communicated with the hole sections. The sound absorbing structure section has an absorption band including a frequency band of a standing wave generated in a space surrounded by the sidewalls and the ceiling board. Further, a soundproof cover may include the sidewalls, ceiling board and sound absorbing structure.
    Type: Application
    Filed: June 3, 2011
    Publication date: April 4, 2013
    Inventors: Daisuke Muto, Masanori Watanabe, Hiroshi Tsuji, Masaru Matsushima
  • Publication number: 20120305766
    Abstract: It is an object to balance suppression of a leakage magnetic field and driving performance. In a linear motor including a stator including a first yoke having an open face and two rows of permanent magnets linearly arrayed inside the first yoke so that S-poles and N-poles are alternate and a movable element arranged between the two rows of permanent magnets and linearly moving, a second yoke is connected to an open end of the first yoke so as to cover the open end of the first yoke and the permanent magnets when viewed from the open face of the first yoke.
    Type: Application
    Filed: June 6, 2012
    Publication date: December 6, 2012
    Inventors: Hideki TANAKA, Masahiro Koyama, Masaki Mizuochi, Hiroshi Tsuji