1
Ryuji Zaiki: X-ray diagnosis apparatus. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, March 11, 2008: US07341375 (5 worldwide citation)

An X-ray diagnosis apparatus includes a wireless communication unit that transmits a signal related to the drive of at least one of a supporting unit and a bed from an operation unit to the bed. The X-ray diagnosis apparatus may include a state detection unit that detects a state of attachment of an ...


2
Ryuji Zaiki, Reiko Hashimoto: X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon Spivak McClelland Maier & Neustadt L, July 3, 2012: US08213569 (3 worldwide citation)

An X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region that can appropriately narrow down an X-ray radiation aperture so as to fit a configuration of a region of interest during acquisition of X-ray projection data for reconstructing tomography images of an object. Bas ...


3
Hisato Takemoto, Ryuji Zaiki, Takuya Sakaguchi: X-ray diagnostic apparatus. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon Spivak McClelland Maier & Neustadt L, July 2, 2013: US08475041 (1 worldwide citation)

An X-ray diagnostic apparatus includes imaging means including an X-ray application unit which applies X-rays to a subject and an X-ray detection unit which detects the X-rays applied from the X-ray application unit to pick up a medical image, path calculating means for obtaining a path of an imagin ...


4
Ryuji Zaiki: X-ray imaging apparatus. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon Spivak McClelland Maier & Neustadt P C, August 18, 2009: US07577237 (1 worldwide citation)

When a tabletop is rolling, an aperture specifying unit calculates an aperture of diaphragm blades such that a radiation field is to be R′ based on a rolling angle, where R′ is a radiation field having the same radiation area of X-rays after tabletop rolling as a radiation area before the tabletop r ...


5
Ryuji Zaiki, Yoshiyasu Hayashi, Nobuo Kobayashi, Teruomi Gunji: Medical image diagnosis device and medical image processing method. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon McClelland Maier & Neustadt L, March 3, 2015: US08971601

A medical image diagnosis device according to an embodiment of the present invention includes: an imaging unit that takes an image of a subject, with an X-ray generation unit which exposes the subject to X-rays and an X-ray detector which detects X-rays that have passed through the subject, being su ...


6
Ryuji Zaiki, Reiko Hashimoto: X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon Spivak McClelland Maier & Neustadt L, September 9, 2014: US08831169

An X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region that can appropriately narrow down an X-ray radiation aperture so as to fit a configuration of a region of interest during acquisition of X-ray projection data for reconstructing tomography images of an object. Bas ...


7
Kazuo Imagawa, Ryuji Zaiki, Takayuki Ishikawa, Masaki Kobayashi: Medical image processing apparatus and medical image processing method. TOSHIBA MEDICAL SYSTEMS CORPORATION, Oblon McClelland Maier & Neustadt L, January 23, 2018: US09875539

A medical image processing apparatus includes, an unit (12) extracting a blood vessel wall region from the image in a range including an aneurysm in an object, an unit (13) calculating the blood vessel diameter change rates of the neck portions of the aneurysm, blood vessel curvature, and blood vess ...


8
Kazuo Imagawa, Ryuji Zaiki, Takayuki Ishikawa, Masaki Kobayashi: Medical image processing apparatus and medical image processing method. Toshiba Medical Systems Corporation, Oblon McClelland Maier & Neustadt L, October 11, 2016: US09462986

A medical image processing apparatus includes, an unit (12) extracting a blood vessel wall region from the image in a range including an aneurysm in an object, an unit (13) calculating the blood vessel diameter change rates of the neck portions of the aneurysm, blood vessel curvature, and blood vess ...


9
Ryuji Zaiki, Teruomi Gunji, Katsuie Ikawa: X-ray imaging system. Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation, Oblon McClelland Maier & Neustadt L, July 21, 2015: US09084581

An X-ray imaging system that allows X-ray images to be acquired from a desired direction by considering the tilt of a tabletop. The X-ray imaging system includes a support unit that holds an X-ray imaging unit that performs X-ray imaging of a subject. The subject is placed on the tabletop. A memory ...


10
Yuki Totsuka, Masaharu Soya, Ryuji Zaiki, Masahiro Ozawa: X-ray diagnostic apparatus. Toshiba Medical Systems Corporation, Oblon McClelland Maier & Neustadt L, May 1, 2018: US09955936

According to one embodiment, An X-ray diagnostic apparatus includes an X-ray generator that generates X rays, an X-ray detector that detects the X rays generated by the X-ray generator and having passed through a subject, an X-ray restrictor that restricts an irradiation range on a detection surface ...