Patents Assigned to National University Corporation Shizuoka University
  • Patent number: 9450469
    Abstract: An inchworm actuator which can move a movable body relative to a stationary body while selectively giving priority to displacement speed or displacement resolution in accordance with the conditions of use is provided. An inchworm actuator 100 includes a movable body 110 supported between first and second guides 101 and 102 which are made of a magnetic material and which extend parallel to each other. In the movable body 110, a voice coil motor 115 is supported by first and second support legs 111 and 112 through toggle mechanisms 116a and 116b. The first and second support legs 111 and 112 are made of a magnetic material and have magnetic field-forming coils 113 and 114. The toggle mechanisms 116a and 116b convert the amount of displacement input from the voice coil motor 115 using a reducing conversion ratio corresponding to the amount of the displacement and transmit a resultant displacement to the first and second support legs 111 and 112.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: September 20, 2016
    Assignee: National University Corporation Shizuoka University
    Inventors: Takaaki Oiwa, Junichi Asama
  • Patent number: 9433352
    Abstract: An accurate measurement can be made of the light absorbance of deep layer tissue such as in a human body or a fruit. The thickness of fat is computed. A first specific distance and a second specific distance corresponding to the computed fat thickness are computed based a predetermined relationship between the fat thickness, the first specific distance, and measurement sensitivity of a surface layer and measurement sensitivity of a deep layer when light is received at a position the first specific distance away from a light emitting means. A third specific distance and a fourth specific distance are computed corresponding to the computed fat thickness based on a predetermined relationship between the fat thickness, the third specific distance and a measurement sensitivity of an intervening layer and a measurement sensitivity of the deep layer when light is received at a position the third specific distance away from the light emitting means.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: September 6, 2016
    Assignees: National University Corporation Shizuoka University, National University Corporation Hamamatsu University School of Medicine
    Inventors: Masatsugu Niwayama, Naohiro Kanayama, Kazunao Suzuki
  • Patent number: 9428391
    Abstract: Carbon nanotubes are grown by supplying raw material gas 30 comprising a carbon compound to be a raw material of the carbon nanotubes into the inside of a reaction vessel tube 14 in which a catalyst 26 to grow the carbon nanotubes is charged. At this time, halogen-containing material gas 32 to reduce the amount of a carbon product such as amorphous carbon produced besides carbon nanotubes that deposits on the surface of catalyst particles 44 due to supply of the raw material gas 30 is further supplied into the inside of the reaction vessel tube 14. Thereby, it is possible to produce elongated carbon nanotubes.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: August 30, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Yoku Inoue, Adrian Ghemes, Haibo Zhao
  • Patent number: 9425710
    Abstract: An electrostatic induction conversion device includes: an input-side electrostatic actuator that includes a first fixed electrode and a first movable electrode facing the first fixed electrode; and an output-side electrostatic actuator that includes a second movable electrode linked to the first movable electrode via a link mechanism member, which increases or decreases a displacement quantity representing an extent of displacement occurring at the first movable electrode, and a second fixed electrode facing the second movable electrode, wherein: a permanently charged layer is deposited on an electrode surface either on a movable electrode side or on a fixed electrode side, at the input-side electrostatic actuator and the output-side electrostatic actuator.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: August 23, 2016
    Assignees: AOI Electronics Co., Ltd., National University Corporation Shizuoka University
    Inventors: Masato Suzuki, Hiroki Hayashi, Gen Hashiguchi, Tatsuhiko Sugiyama
  • Publication number: 20160207772
    Abstract: The invention shows a production apparatus for producing carbon nanotubes by the gas-phase catalysis process, comprising: a first chamber having a growth region that is a region in which carbon nanotubes are formed; a first temperature adjustment device capable of adjusting a temperature of the growth region in the first chamber; a pressure adjustment device capable of adjusting a pressure in the first chamber; a first feed device capable of feeding a carbon source to the growth region in the first chamber; a second temperature adjustment device capable of adjusting a temperature of a solid-phase iron family element-containing material disposed in the production apparatus; and a second feed device capable of feeding a gas-phase halogen-containing substance into the production apparatus so that the iron family element-containing material of which the temperature is adjusted to a predetermined temperature by the second temperature adjustment device can react with the halogen-containing substance.
    Type: Application
    Filed: August 28, 2014
    Publication date: July 21, 2016
    Applicants: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY, JNC CORPORATION
    Inventors: Yoku INOUE, Takayuki NAKANO, Tauto NAKANISHI
  • Publication number: 20160181329
    Abstract: A display device (100) includes a spontaneous light emission-type display panel (10). The display device includes a plurality of pixels (P). The plurality of pixels each include a plurality of sub pixels including a red sub pixel (R), a green sub pixel (G) and a blue sub pixel (B). The display panel includes a red light emitting element (1r), a green light emitting element (1g), and a blue light emitting element (1b). Red light, green light and blue light respectively emitted by the red light emitting element, the green light emitting element and the blue light emitting element each have a spectrum half width of 10 nm or less. The plurality of sub pixels included in each pixel further include a yellow sub pixel (Ye). The display panel further includes a yellow light emitting element (1y) provided in an area corresponding to the yellow sub pixel. The yellow light emitting element emits yellow light having a dominant wavelength of 550 nm or greater and 600 nm or less.
    Type: Application
    Filed: August 7, 2014
    Publication date: June 23, 2016
    Applicants: SHARP KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Kazunari TOMIZAWA, Akiko SATOH, Yoshifumi SHIMODAIRA, Gosuke OHASHI, Yusuke AMANO
  • Patent number: 9366608
    Abstract: A tensile test machine which has a simple structure and which can measure the strength of a sample having a minute tensile strength is provided. The tensile test machine 100 has a first gripping member 117 and a second gripping member 125 which oppose each other in the horizontal direction and grip two end portions of a sample WK. The first gripping member 117 is supported by a moment receiving member 113a of a torque meter 113 through a first support beam 116 and a tensile force transmitting member 115. The tensile force transmitting member 115 is formed so as to extend in the radial direction of the moment receiving member 113a. The second gripping member 125 is supported by a displacement table 121 through a second support beam 124 and a gripping member support base 123. It is displaced in the direction away from the first gripping member 117, and the amount of displacement is measured by a displacement measuring device 128.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: June 14, 2016
    Assignee: National University Corporation Shizuoka University
    Inventors: Tomoyuki Fujii, Keiichiro Tohgo, Yoshinobu Shimamura
  • Patent number: 9368692
    Abstract: An electronic color-chart device includes plural LEDs with different peak wavelengths and displays images to serve as color references as color charts by making the plural LEDs emit light. In a case where a light emission intensity distribution of each of the plural LEDs is normalized with a maximum intensity being a value of 1, the plural LEDs include plural first LEDs of which at least one is an LED whose full wavelength width at half maximum intensity is 40 nm or narrower and between which a peak interval is 50 nm or narrower and a second LED whose light emission intensity at a wavelength of 555 nm is 0.4 or higher, and whose full wavelength width at half maximum intensity is wider than 40 nm.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: June 14, 2016
    Assignees: SHARP KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Kazunari Tomizawa, Yoshifumi Shimodaira
  • Publication number: 20160136722
    Abstract: An objective of the present invention is to provide an innovative method for surface-treating a forging member, the method exhibiting unprecedented operations and effects. The present invention is a method for surface-treating a forging member (1), wherein a slurry (4) comprising a mixture of a liquid (2) and an abrasive (3) is mixed with pressurized air and sprayed on a surface (1a) of the forging member (1), and innumerable recesses (5) measuring 0.5-2.00 ?m in depth and 75-150 ?m in opening width are provided on the surface (1a) of the forging member (1).
    Type: Application
    Filed: April 29, 2015
    Publication date: May 19, 2016
    Applicants: MACOHO CO., LTD., NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Sachito MATSUBARA, Tamotsu NAKAMURA, Kunio HAYAKAWA
  • Publication number: 20160125241
    Abstract: A pupil detection light source device includes an aperture disposed to face a subject to allow light from a pupil of the subject to pass therethrough, an illumination light for obtaining a light pupil image toward the subject from the inside or the vicinity of the aperture when seen from the subject, and an illumination light for forming a reflection image with glasses obtained by canceling a reflection image with glasses of the light pupil image using an image difference toward the subject from the inside or the vicinity of the aperture when seen from the subject.
    Type: Application
    Filed: May 2, 2014
    Publication date: May 5, 2016
    Applicant: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventor: Yoshinobu EBISAWA
  • Patent number: 9329683
    Abstract: A gaze point detection device 1 has four cameras 2a, 2b, 2c, 2d, light sources 3a, 3b, 3c, 3d, control circuits 4, 5, 6, and an image processor 7. The image processor 7 calculates vectors r, each of which is from a corneal reflection point to the center of a pupil, on a plane that is vertical to base lines. The image processor 7 also calculates angles ? of the line of sight on the basis of the vectors r and by using a function f including M parameters. Moreover, the image processor 7 determines the M parameters based on the angles ?, and detects a point of gaze Q based on the line of sight direction calculated using the determined parameters. The number of cameras is set at M×½ or higher.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: May 3, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventor: Yoshinobu Ebisawa
  • Patent number: 9330872
    Abstract: An electromagnetic relay includes a contact that includes a fixed contact and a movable contact, a permanent magnet provided on the peripheral side of the contact, and a non-magnetic body. The movable contact is displaceable in a first direction to move toward the fixed contact and in a second direction to move away from the fixed contact. The permanent magnet has a polarity direction perpendicular to the first and second directions. The non-magnetic body faces toward the direction of a Lorentz force that acts based on the permanent magnet in a direct electric current flowing through the contact.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: May 3, 2016
    Assignees: FUJITSU COMPONENT LIMITED, NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Kazuo Kubono, Takashi Yuba, Yoichi Hasegawa, Takuji Murakoshi, Junya Sekikawa
  • Patent number: 9311885
    Abstract: In an image color estimation method, a signal value SG (Rs, Gs, Bs) is calculated based on a first display property and a tone value T (S121), and an offset value Co (Ro, Go, Bo) that corresponds to the respective components (Rs, Gs, Bs) in the signal value SG is calculated based on the first display property P1, a second display property P2, and the tone value T (R, G, B) (S122). Then, a correction signal value SC (Rc, Gc, Bc) is calculated by adding the offset value Co (Ro, Go, Bo) to the signal value SG (Rs, Gs, Bs) (S123). The correction signal value SC (Rc, Gc, Bc) is converted into a correction signal value ST (Xc, Yc, Zc) using a conversion matrix M (S124).
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: April 12, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Yoshifumi Shimodaira, Katsuya Ono
  • Patent number: 9307171
    Abstract: A pixel 10 includes a photodiode PD which is provided between a first barrier region 21 forming a first potential barrier B1 and a second barrier region 27 forming a second potential barrier B2, a first floating diffusion region F1 which is provided adjacent to the first barrier region 21, and to which a first electric charge generated in the photodiode PD is transferred, and a second floating diffusion region F2 which is provided adjacent to the second barrier region 27, and into which a second electric charge generated in the photoelectric conversion region PD flows, and in which a part of the flowing-in second electric charge is accumulated. The second potential barrier B2 is lower than the first potential barrier B1.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: April 5, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Shoji Kawahito, Isamu Takai
  • Patent number: 9297991
    Abstract: Standing wave-generating planar wave illumination units generate two light-wave planar waves using light from a light source assembly and irradiate a sample surface with a standing wave produced by interference of the planar waves on the sample surface. A bias planar wave illumination unit generates a bias planar wave using light from the light source assembly and irradiates the sample surface with the wave. The bias planar wave is synchronized with the standing wave to alternately oscillate to positive and negative with an equal electric field displacement irrespective of the position on the sample surface across a reference time specified in advance when the displacement of the standing wave has a value “0” at the respective positions on the sample surface, and oscillates at a bias amplitude specified in advance to raise the displacement of the standing wave on the sample surface to only a positive or negative displacement.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: March 29, 2016
    Assignees: THE UNIVERSITY OF TOKYO, NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Satoru Takahashi, Kiyoshi Takamasu, Ryota Kudo, Shin Usuki
  • Patent number: 9275497
    Abstract: Surface form data as an object to which a grain is applied is inputted to a data input part. A plane polygon forming part projects a borderline of the surface form data on an x-y plane and changes the borderline to poly-lines to form a two-dimensional polygon mesh having the borderline as an outer edge. A three-dimensional polygon forming part connects together intersections of straight lines extending to a z-axis direction from apexes of the polygon mesh and the original surface form data to obtain a three-dimensional polygon mesh and further make the mesh uniform. A grain forming part obtains an amount of displacement from texture data corresponding to the apex of the three-dimensional polygon mesh through a texture model formed and deformed in a texture model deforming part to set polygon data obtained by connecting together the apexes respectively displaced in normal directions as the surface processed data.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: March 1, 2016
    Assignees: CALSONIC KANSEI CORPORATION, National University Corporation Shizuoka University
    Inventors: Mamoru Kikuta, Kenjiro Miura, Daijiro Uzuyama, Kenji Takahashi
  • Patent number: 9270258
    Abstract: A ramp signal generation circuit 21 comprises a plurality of unit circuits 221 to 22N, each including a capacitor 26 having one end 26a held at a fixed potential and a current source 27 connected to the other end 26b of the capacitor 26, while the other ends 26b of the capacitors 26 in the plurality of unit circuits 221 to 22N are connected to each other with a wiring member W.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: February 23, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Shoji Kawahito, Kaita Imai
  • Patent number: 9236879
    Abstract: According to this A/D converter, a first A/D conversion operation for performing integral A/D conversion and a second A/D conversion operation for performing cyclic A/D conversion are realized based on control of operational procedures in a same circuit configuration. Moreover, in the first A/D conversion operation, since a capacity of a capacitor used in the integration of an output signal is greater than a capacity of a capacitor used for storing an input analog signal and a standard reference voltage, the analog signal that is input in the integral A/D conversion is attenuated according to the capacity ratio and subject to sampling and integration. Consequently, the voltage range of the analog signal that is output in the integral A/D conversion also decreases according to the capacity ratio of the capacitors, and the A/D converter can be therefore constructed with a single-ended configuration.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: January 12, 2016
    Assignee: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventor: Shoji Kawahito
  • Patent number: 9231006
    Abstract: A solid-state imaging device includes a semiconductor region of p-type; a buried region of n-type, configured to serve as a photodiode together with the semiconductor region; a extraction region of n-type, configured to extract charges generated by the photodiode from the buried region, having higher impurity concentration than the buried region; a read-out region of n-type, configured to accumulate charges, which are transferred from the buried region having higher impurity concentration than the buried region; and a potential gradient changing mechanism, configured to control a potential of the channel, and to change a potential gradient of a potential profile from the buried region to the read-out region and a potential gradient of a potential profile from the buried region to the extraction region, so as to control the transferring/extraction of charges.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: January 5, 2016
    Assignee: National University Corporation Shizuoka University
    Inventors: Shoji Kawahito, Tomonari Sawada
  • Patent number: 9212895
    Abstract: A strain sensor includes a flexible substrate, a CNT film made of a plurality of CNT fibers aligned in an orientation direction, a pair of electrodes, and a protective coat. The electrodes are formed at the opposite ends of the CNT film in a perpendicular direction to the orientation direction of the CNT fibers. The protective coat protecting the CNT film is made of a resin, a water-based emulsion, or an oil-based emulsion. The protective coat is placed in contact with at least part of the CTN fibers on the surface of the CNT film. The strain sensor including the protective coat is able to prevent damage/breakage of the CNT film and to prevent foreign matters from entering into gaps between CNT fibers, thus improving durability in maintaining adequate sensing functionality.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 15, 2015
    Assignees: YAMAHA CORPORATION, NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Katsunori Suzuki, Shingo Sakakibara, Koji Yataka, Yasuro Okumiya, Yoshiki Terada, Yoku Inoue