Patents by Inventor Hisao Sasaki

Hisao Sasaki 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: 11326993
    Abstract: Provide is a deformation testing apparatus in which a sign of breakage of a specimen under a deformation test can be detected before an actual breakage. The deformation testing apparatus carrying out a plurality of deformation cycles includes an image capturing means; reference data storing means storing the reference data showing the deformation state calculated based on the reference image data shot by the image capturing means; reference cycle number deformation data calculating means to calculate the reference data; detection cycle number deformation data calculating means to calculate detection cycle number deformation data showing the deformation state based on the detection image data shot at the detection cycle number being larger than the reference cycle number; and change detection means to detect that the deformation caused in the specimen is changed based on the reference cycle number deformation data and the detection cycle number deformation data.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: May 10, 2022
    Assignee: Yuasa System Co., LTD.
    Inventors: Atsushi Shishido, Norihisa Akamatsu, Ryo Taguchi, Yoshihito Ota, Hisao Sasaki, Yasuhisa Okazaki
  • Patent number: 11169063
    Abstract: Provided is a deformation tester where a specimen is deformed and can be observed and analyzed in any deformation state without removal. The tester includes: a detachable part repeating a relative displacement cycle, two portions of the specimen attached to a first and a second attachment portion of a first and a second part member, the specimen deformed from a first to a second shape state and back to the first shape state during the cycle; and a main body part that the detachable part is detachably attached to; wherein a state retaining part for fixing a relative position of the second to the first part member in at least one shape state is freely attachable to the detachable part mounted on the main body part and the detachable part with the state retaining part is freely attachable to the main body part.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: November 9, 2021
    Assignee: Yuasa System Co. Ltd.
    Inventors: Yasuhisa Okazaki, Naotsugu Ando, Hisao Sasaki
  • Publication number: 20210215586
    Abstract: Provide is a deformation testing apparatus in which a sign of breakage of a specimen under a deformation test can be detected before an actual breakage. The deformation testing apparatus carrying out a plurality of deformation cycles includes an image capturing means; reference data storing means storing the reference data showing the deformation state calculated based on the reference image data shot by the image capturing means; reference cycle number deformation data calculating means to calculate the reference data; detection cycle number deformation data calculating means to calculate detection cycle number deformation data showing the deformation state based on the detection image data shot at the detection cycle number being larger than the reference cycle number; and change detection means to detect that the deformation caused in the specimen is changed based on the reference cycle number deformation data and the detection cycle number deformation data.
    Type: Application
    Filed: January 6, 2020
    Publication date: July 15, 2021
    Applicants: YUASA SYSTEM CO., LTD., Tokyo Institute of Technology
    Inventors: Atsushi SHISHIDO, Norihisa AKAMATSU, Ryo TAGUCHI, Yoshihito OTA, Hisao SASAKI, Yasuhisa OKAZAKI
  • Publication number: 20210140863
    Abstract: Provided is a deformation tester where a specimen is deformed after starting and can be observed and analyzed in any deformation state without removal. The tester includes: a detachable part repeating a relative displacement cycle of a second part to a first part, two portions of the specimen attached to a first and a second attachment portion of the first and the second part, the specimen deformed from a first to a second shape state and back to the first shape state during the cycle; and a main body part the detachable part is detachably attached to; wherein state retaining means for fixing a relative position of the second to the first part in at least one shape state is freely attachable to the detachable part mounted on the main body part and the detachable part with the state retaining means is freely attachable to the main body part.
    Type: Application
    Filed: February 27, 2018
    Publication date: May 13, 2021
    Applicant: YUASA SYSTEM CO., LTD.
    Inventors: Yasuhisa OKAZAKI, Naotsugu ANDO, Hisao SASAKI
  • Patent number: 10094752
    Abstract: A folding test machine to measure the durability against folding can be operated by minor adjustment even if a radius of curvature of the folding or an arc length of the folding is changed. A fixed wall and a moveable wall are opposingly provided in an approximately box-shaped frame and a holding part to hold a workpiece is provided on the top of each of the fixed wall and the moveable wall in a rotatable manner in a vertical plane of the rotation. And the workpiece and a plate spring are held on the respective opposing end portions so as to be bridged between the fixed wall and the moveable wall in a curved manner such that the moveable wall is moved closer to and farther from the fixed wall repeatedly such that the work is folded repeatedly.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: October 9, 2018
    Assignee: Yuasa System Co., Ltd.
    Inventors: Yasuhisa Okazaki, Naotsugu Ando, Hisao Sasaki
  • Publication number: 20160103048
    Abstract: A folding test machine to measure the durability against folding can be operated by minor adjustment even if a radius of curvature of the folding or an arc length of the folding is changed. A fixed wall and a moveable wall are opposingly provided in an approximately box-shaped frame and a holding part to hold a workpiece is provided on the top of each of the fixed wall and the moveable wall in a rotatable manner in a vertical plane of the rotation. And the workpiece and a plate spring are held on the respective opposing end portions so as to be bridged between the fixed wall and the moveable wall in a curved manner such that the moveable wall is moved closer to and farther from the fixed wall repeatedly such that the work is folded repeatedly.
    Type: Application
    Filed: October 9, 2015
    Publication date: April 14, 2016
    Applicant: YUASA SYSTEM CO., LTD.
    Inventors: Yasuhisa OKAZAKI, Naotsugu ANDO, Hisao SASAKI
  • Patent number: 7367762
    Abstract: A main spindle apparatus has a main spindle having a through hole, a main spindle head rotatably supporting the main spindle therein, a tool holder clamp unit including an unit main body having a tool mounting hole to which a tool holder is mounted, a clamp mechanism for clamping the tool holder and a bias mechanism for biasing the clamp mechanism in a clamping state and a clamp release mechanism provided on the main spindle head side and releasing the clamping state of the clamp mechanism by operating the bias mechanism, wherein the tool holder clamp unit is mounted on the though hole of the main spindle so that the tool holder clamp unit is detachable from front side of the main spindle.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: May 6, 2008
    Assignee: Nippei Toyama Corporation
    Inventors: Akira Takase, Hisao Sasaki
  • Patent number: 7231277
    Abstract: In a state of separating a front end face of an air injecting nozzle 23 from a worked work W by a predetermined interval h, the air injecting nozzle 23 is moved at a constant speed in an X axis direction, injects air from an injecting hole 27a of a nozzle main body 27 and is moved to pass centers O1, O2 of worked holes Wb, Wc of the work W. A variation in a pressure is measured by a pressure measuring unit 30. X axis coordinates of the centers O1, O2 of the holes Wb, Wc, a hole diameter E and a center interval distance D1 are calculated based on coordinates of center points T1, T2 of inclined portions Ld, Lu of a curve Lx of the pressure relative to the measured X axis coordinate.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: June 12, 2007
    Assignee: Nippei Toyama Corporation
    Inventors: Yukio Kawasaki, Teruhiro Nishizaki, Shiro Murai, Hisao Sasaki
  • Publication number: 20050288816
    Abstract: In a state of separating a front end face of an air injecting nozzle 23 from a worked work W by a predetermined interval h, the air injecting nozzle 23 is moved at a constant speed in an X axis direction, injects air from an injecting hole 27a of a nozzle main body 27 and is moved to pass centers O1, O2 of worked holes Wb, Wc of the work W. A variation in a pressure is measured by a pressure measuring unit 30. X axis coordinates of the centers O1, O2 of the holes Wb, Wc, a hole diameter E and a center interval distance D1 are calculated based on coordinates of center points T1, T2 of inclined portions Ld, Lu of a curve Lx of the pressure relative to the measured X axis coordinate.
    Type: Application
    Filed: June 9, 2005
    Publication date: December 29, 2005
    Inventors: Yukio Kawasaki, Teruhiro Nishizaki, Shiro Murai, Hisao Sasaki
  • Publication number: 20050283719
    Abstract: In order to provide a technique of enabling any user to browse data of a table in a desired hierarchical structure, an HTML (Hyper Text Markup Language) file processing method comprises: if an HTML file containing a table definition is received from another server in response to a request from a terminal of a user, referring to a hierarchical display definition data storage for storing hierarchical display definition data of a table preset by the user for a specific HTML file containing a table definition, and specifying a hierarchical display definition data for the received HTML file; and by extracting display elements to be displayed at a first hierarchical layer of the received HTML file according to the specified hierarchical display definition data, generating and transmitting to the terminal of the user, an HTML file for the first hierarchical layer.
    Type: Application
    Filed: October 20, 2004
    Publication date: December 22, 2005
    Applicant: Fujitsu Limited
    Inventors: Yasuhiko Awamoto, Hisao Sasaki
  • Publication number: 20050256836
    Abstract: An HTML (Hyper Text Markup Language) file processing method of the invention comprises: specifying a character string not influencing a display at a user terminal in an HTML file received from another server according to a request from the user terminal by referring to a definition data storage storing data for specifying the character string not influencing the display at the user terminal; and changing the HTML file so as to reduce data amount in accordance with a method corresponding to an attribute of the specified character string, and transmitting the changed HTML file to the user terminal. As stated above, because the data amount of the HTML file is reduced by performing the processing with respect to the character string not influencing the display at the user terminal, the user at the user terminal is unconscious of the performance of the method according to this invention, and the smooth communication of the Web page data including the HTML file becomes possible.
    Type: Application
    Filed: September 24, 2004
    Publication date: November 17, 2005
    Applicant: Fujitsu Limited
    Inventors: Yasuhiko Awamoto, Hisao Sasaki, Yoshiyuki Okada
  • Publication number: 20050220556
    Abstract: A main spindle apparatus has a main spindle having a through hole, a main spindle head rotatably supporting the main spindle therein, a tool holder clamp unit including an unit main body having a tool mounting hole to which a tool holder is mounted, a clamp mechanism for clamping the tool holder and a bias mechanism for biasing the clamp mechanism in a clamping state and a clamp release mechanism provided on the main spindle head side and releasing the clamping state of the clamp mechanism by operating the bias mechanism, wherein the tool holder clamp unit is mounted on the though hole of the main spindle so that the tool holder clamp unit is detachable from front side of the main spindle.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 6, 2005
    Inventors: Akira Takase, Hisao Sasaki
  • Patent number: 6077146
    Abstract: A taper correcting apparatus for a grinding machine comprises: workpiece supporting means for supporting a workpiece in parallel with a grinding wheel spindle; a cutting and feeding device which moves back and forth a cylindrical grinding wheel with respect to said workpiece; a wheel slide which is attached to a bed so as to be movable back and forth with respect to said workpiece; a pair of grinding wheel bearing pedestals which rotatably support ends of said grinding wheel spindle via bearings with respect to said wheel slide, respectively; a first grinding wheel bearing pedestal support which is fixed to said wheel slide, and which clampingly supports one of said grinding wheel bearing pedestals; a second grinding wheel bearing pedestal support which is attached so as to be rotatable about a round shaft, and which clampingly supports another one of said grinding wheel bearing pedestals, said round shaft being attached below said grinding wheel spindle to said wheel slide in parallel with the center line of
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: June 20, 2000
    Assignee: Nippei Toyama Corporation
    Inventors: Masayuki Sato, Hisao Sasaki, Yoshiharu Oyabe
  • Patent number: 6071220
    Abstract: In the tool change device, a tool change arm 27 for changing a tool 25 with respect to a main spindle 24, a main tool magazine 29 including a plurality of hold grooves 30 arranged linearly for holding the tools 25, and a tool storage member 41 including at least one storage portion 46 for storing the tool 25 are arranged in the back-and-forth direction of the tool change device. In order that the tools 25 can be delivered between the tool change arm 27 and main tool magazine 29, between the main tool magazine 29 and tool storage member 41, and between the tool storage member 41 and tool change arm 27, a single tool loader L is disposed in such a manner that it can be moved in correspondence to the tool change arm 27, main tool magazine 29 and tool storage member 41.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: June 6, 2000
    Assignee: Nippei Toyama Corporation
    Inventors: Tsutomu Sugihara, Hisao Sasaki, Kazuoki Sakai, Kenichiro Morita, Toshio Yasoshima
  • Patent number: 5885200
    Abstract: In the tool change device, a tool change arm 27 for changing a tool 25 with respect to a main spindle 24, a main tool magazine 29 including a plurality of hold grooves 30 arranged linearly for holding the tools 25, and a tool storage member 41 including at least one storage portion 46 for storing the tool 25 are arranged in the back-and-forth direction of the tool change device. In order that the tools 25 can be delivered between the tool change arm 27 and main tool magazine 29, between the main tool magazine 29 and tool storage member 41, and between the tool storage member 41 and tool change arm 27, a single tool loader L is disposed in such a manner that it can be moved in correspondence to the tool change arm 27, main tool magazine 29 and tool storage member 41.
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: March 23, 1999
    Assignee: Nippei Toyama Corporation
    Inventors: Tsutomu Sugihara, Hisao Sasaki, Kazuoki Sakai
  • Patent number: 5361374
    Abstract: A reception unit for providing data supplied from a serial input circuit to an inner bus and a transmission unit for providing the data supplied from the inner bus to a serial output circuit hold at least two sorts of control procedures among HDLC procedure, BI-SYNC procedure and start-stop synchronous procedure as control procedures for data transmission/reception, and the control procedures held by these units can be selected alternatively based on a command of the processor.
    Type: Grant
    Filed: April 21, 1993
    Date of Patent: November 1, 1994
    Assignee: Hitachi, Ltd.
    Inventors: Hisao Sasaki, Takeshi Miyazaki, Shiro Baba, Kunihiko Nakada, Yasushi Akao
  • Patent number: 5226173
    Abstract: A reception unit for providing data supplied from a serial input circuit to an inner bus and a transmission unit for providing the data supplied from the inner bus to a serial output circuit hold at least two types of control procedures selected from HDLC procedure, BI-SYNC procedure and start-stop synchronous procedure as control procedures for data transmission/reception, and the control procedures held by these units can be selected alternatively based on a mode control data written in a mode control register by a processor.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: July 6, 1993
    Assignee: Hitachi, Ltd.
    Inventors: Hisao Sasaki, Takeshi Miyazaki, Shiro Baba, Kunihiko Nakada, Yasushi Akao
  • Patent number: 5113503
    Abstract: A data processor has an execution unit, an instruction register in which macro instructions having a register field are set for specifying registers in the execution unit, a micro ROM in which micro instructions containing a register instruction field are set, a first decoder for decoding the register specification data from the instruction register, a second decoder for decoding the register specification data from the micro ROM, and a selector for selecting either of the output of the first decoder or that of the second decoder corresponding to the selection signals provided from the micro ROM and thus producing data for specifying the registers. In this data processor having such a configuration, the decodings of the two register specification data described above are carried out substantially in parallel and a high-speed operation is thus made possible.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: May 12, 1992
    Assignee: Hitachi, Ltd.
    Inventors: Hisao Sasaki, Hideo Maejima, Takashi Hotta
  • Patent number: 4881167
    Abstract: A data memory system includes a plurality of buffer regions each having a constant size so that serial data may be stored by linking the buffer regions. A descripter provided to correspond to each of the buffer regions includes memory region addressing information indicating the head address of the corresponding buffer region, data delimiting information indicating whether or not the data to be stored is terminated in the corresponding buffer region, and chain information indicating the head address of a next subsequent descripter.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: November 14, 1989
    Assignee: Hitachi, Ltd.
    Inventors: Hisao Sasaki, Matsuaki Terada, Susumu Matsui, Kenji Kawakita, Jiro Kashio, Shiro Baba, Yasushi Akao, Toshio Okochi
  • Patent number: 4492510
    Abstract: A mechanism for driving a robot hand mounted on a robot arm includes a pair of planetary gear assemblies coupled to motors for swinging the robot hand about a first shaft and for rotating the robot hand about a second shaft through transmission systems. During swinging motion of the robot hand about the first shaft, rotative power from the motor which causes such rotation is transmitted by the planetary gear assemblies to the second shaft also, so that rotation of the robot hand resulting from the swinging motion of the robot hand can be cancelled out.
    Type: Grant
    Filed: February 11, 1983
    Date of Patent: January 8, 1985
    Assignee: Toyama Machine Works, Ltd.
    Inventors: Shigetaka Tanii, Hisao Sasaki