1
Yasuhira Kondo, Shigeharu Ohyu, Hitoshi Yamagata, Arturo Calderon, Tomohiro Kawasaki, Atsuko Sugiyama: Processor for analyzing tubular structure such as blood vessels. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon Spivak McClelland Maier & Neustadt P C, May 6, 2008: US07369691 (112 worldwide citation)

Using medical three-dimensional image data, at least one of a volume-rendering image, a flat reformatted image on an arbitrary section, a curved reformatted image, and an MIP (maximum value projection) image is prepared as a reference image. Vessel center lines are extracted from this reference imag ...


2
Shinichi Hashimoto, Yasuhiko Abe, Yoichi Ogasawara, Hitoshi Yamagata: 3D ultrasonic diagnostic apparatus. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, June 12, 2001: US06245017 (65 worldwide citation)

A three-dimensional ultrasonic diagnostic apparatus includes a two-dimensional array type of ultrasonic probe. A three-dimensional scan operation of scanning a three-dimensional region within a human body under examination with ultrasound and a two-dimensional scan operation of scanning a two-dimens ...


3
Yuko Tanaka, Hitoshi Yamagata: Medical image processing device for producing a composite image of the three-dimensional images. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, November 12, 2002: US06480732 (65 worldwide citation)

First and second volume data are collected in advance for the same region of a human body under examination. By performing volume rendering along the set direction of line of sight, a composite image of a first three-dimensional image based on the first volume data and a second three-dimensional ima ...


4
Yoshitaka Mine, Hitoshi Yamagata: Ultrasonic diagnostic apparatus for fixedly displaying a puncture probe during 2D imaging. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon Spivak McClelland Maier & Neustadt L, February 28, 2012: US08123691 (24 worldwide citation)

Ultrasonic diagnostic equipment is equipped with an ultrasonic probe that transmits/receives ultrasound to/from an examined body, a probe position sensor that detects the position and the direction of the ultrasonic probe, an image generator that generates image data based upon the output of the ult ...


5
Hiromitu Takamori, Ayumi Katsunuma, Yasuhiro Uosaki, Takeshi Toyoshima, Kazuhiro Iinuma, Hiromi Kawamoto, Hitoshi Yamagata: Magnetic resonance imaging system having mechanically decoupled field generators to reduce ambient acoustic noise. Kabushiki Kaisha Toshiba, Nixon & Vanderhye P C, March 28, 2000: US06043653 (24 worldwide citation)

Solid-borne vibrations and airborne vibrations from a gradient coil unit in an MRI gantry environment are markedly reduced thereby reducing ambient noise occurring due to the vibrations. Support assemblies retain the gradient coil unit in a mechanically-uncoupled or substantially-uncoupled state rel ...


6
Hitoshi Yamagata, Masafumi Kondo, Fumikazu Takahashi: Magnetic resonance imaging system. Kabushiki Kaisha Toshiba, Limbach & Limbach, May 10, 1994: US05311134 (21 worldwide citation)

An MR imaging system comprises a first gradient coil unit(first G coil unit) for providing magnetic gradients superimposed in a static magnetic field, a first RF coil unit for transmitting an RF pulse to a patient and receiving a MR signal from the patient, a second gradient coil unit(second G coil ...


7
Tsutomu Hoshino, Shigehide Kuhara, Hitoshi Yamagata, Yoshimori Kassai: Interventional MR imaging with detection and display of device position. Kabushiki Kaisha Toshiba, Nixon & Vanderhye P C, April 5, 2011: US07920911 (20 worldwide citation)

A magnetic resonance imaging system for interventional MR imaging involves operations to insert a device such as a catheter into an object. According to the system, a tip position of the catheter is detected, data indicative of moved loci of the catheter are produced from data indicative of the dete ...


8
Hitoshi Yamagata: Spherical magnetic resonance imaging apparatus. Kabushiki Kaisha Toshiba, Nixon & Vanderhye PC, November 23, 2004: US06822447 (19 worldwide citation)

In a magnetic resonance imaging apparatus, a transmitting/receiving coil is attached to a patient at a region of interest and disposed within a static magnetic field, a radio-frequency magnetic field, and a gradient magnetic field and an image of the patient is obtained. A tabletop is used to move t ...


9
Hitoshi Yamagata: Magnetic-resonance imaging apparatus. Kabushiki Kaisha Toshiba, Ronald L Limbach & Limbach Yin, July 22, 1997: US05650724 (14 worldwide citation)

A magnetic-resonance imaging apparatus of the present invention comprises a gantry having a subject-placeable inner space and a local coil assembly insertable into an inner space of the gantry. The gantry has a static magnetic field magnet for creating a static magnetic field, a gradient magnetic fi ...


10
Hitoshi Yamagata: Magnetic resonance imaging apparatus having superimposed gradient coil. Kabushiki Kaisha Toshiba, Finnegan Henderson Farabow Garrett & Dunner L, October 22, 1996: US05568051 (12 worldwide citation)

A gradient coil system for a magnetic resonance imaging apparatus is described which has a capability of high-speed switching and high intensity for a certain pulse sequence, for example, a rapid imaging or an angiographic imaging. The gradient coil system comprises multiple coil elements which redu ...