1
Osamu Tsujii: X-ray imaging apparatus and its control method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 1, 2008: US07315606 (97 worldwide citation)

In an X-ray imaging apparatus, which has a radiation source for generating radiation, and a detector for detecting the amount of radiation of the radiation, a subject is relatively rotated with respect to radiation which is radiated from the radiation source in the direction of the detector, and rad ...


2
Osamu Tsujii: Workstation for medical service. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 7, 1997: US05675744 (39 worldwide citation)

A system bus for connecting modules in a workstation for medical service has connected thereto a CPU, a main memory device, an input-output apparatus comprising a CRT or a display device such as liquid crystal and an operation input device, an ISDN interface, a disc and an optical card device. A lis ...


3
Tsukasa Sako, Osamu Tsujii: Image collecting system. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 30, 2004: US06714623 (29 worldwide citation)

In an image collecting system for sensing an X-ray image by using a solid state image pickup unit, the operability of the system is improved by omitting an operation of turning on and off the solid state image pickup unit or other operations. When an operator selects an image sensing part of an obje ...


4
Osamu Tsujii: Image processing method and apparatus, and storage medium. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 14, 2004: US06792153 (27 worldwide citation)

Compressed image data is input, and it is checked according to the attributes of that image if the compression ratio of the compressed image is to be changed by a compression ratio determination unit. A compression ratio change unit changes the compression ratio of the compressed image to increase b ...


5
Osamu Tsujii: Radiographic apparatus, radiographic method, program, computer-readable storage medium, radiographic system, image diagnosis aiding method, and image diagnosis aiding system. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 23, 2006: US07050537 (25 worldwide citation)

A radiographic apparatus or system for imaging a dynamic state or process of an object such as a human body includes an indication unit for performing dynamic state guiding indication using a perceivable pattern corresponding to a dynamic state or motion to be engaged in by the patient, and an image ...


6
Masahiko Okunuki, Osamu Tsujii, Satoshi Shimizu, Takashi Ogura: Multi X-ray generating apparatus and X-ray imaging apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, August 2, 2011: US07991120 (22 worldwide citation)

A multi X-ray generating apparatus which has a plurality of electron sources arranged two-dimensionally and targets arranged at positions opposite to the electron sources includes a multi electron source which includes a plurality of electron sources and outputs electrons from driven electron source ...


7
Tetsuo Watanabe, Makoto Saito, Osamu Tsujii: Radiographic apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 12, 2006: US07104686 (18 worldwide citation)

A radiographic apparatus includes a detection section including photoelectric conversion elements that detect radiation that has been transmitted through a subject. The apparatus has a substantially rectangular detection surface; and a housing that contains the detection section. The housing has a h ...


8
Masahiko Okunuki, Osamu Tsujii, Takeo Tsukamoto: Multi X-ray generator and multi X-ray imaging apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Haper & Scinto, January 18, 2011: US07873146 (16 worldwide citation)

A compact apparatus can form multi X-ray beams with good controllability. Electron beams (e) emitted from electron emission elements (15) of a multi electron beam generating unit (12) receive the lens effect of a lens electrode (19). The resultant electron beams are accelerated to the final potentia ...


9
Tatsuya Yamazaki, Masakazu Morishita, Isao Kobayashi, Osamu Tsujii, Akira Hirai, Toshikazu Tamura, Hideki Nonaka, Takamasa Ishii: X-ray imaging apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 13, 2005: US06944266 (16 worldwide citation)

An X-ray imaging apparatus including an X-ray generation means for emitting X-rays, and an X-ray detector on which a grid selected from a plurality of different types of grids is removably mountable. The X-ray detector receives the X-rays emitted from the X-ray generation means, and obtains an X-ray ...


10
Toshiko Morii, Masakazu Morishita, Osamu Tsujii, Minoru Watanabe, Takamasa Ishii: Imaging method and apparatus with exposure control. Canon Kabushiki Kaisha, Morgan & Finnegan, May 6, 2008: US07368724 (15 worldwide citation)

According to a radiation imaging apparatus, any separate AEC sensor need not be prepared. Additionally, the apparatus main body can be made compact. To accomplish this, the radiation imaging apparatus has a first optical conversion element that converts incident radiation into an electrical signal, ...