11
Junji Miyahara, Hisatoyo Kato: Rear projection screens. Fuji Photo Film, Sughrue Rothwell Mion Zinn and Macpeak, April 11, 1978: US04083626 (48 worldwide citation)

Rear projection screens of superior mechanical and optical properties are described which comprise, in all instances, at least one light diffusion layer and at least one transparent support, an intermediate layer being provided between the light diffusion layer and the transparent support, which int ...


12
Hisatoyo Kato: Radiation image recording and read-out system. Fuji Photo Film, Murray Whisenhunt & Ferguson, September 24, 1985: US04543479 (46 worldwide citation)

In a radiation image recording system in which a radiation image is once recorded on a stimulable phosphor and then read out to reproduce a visible radiation image, at least one recording material formed of a phosphor layer and fixed on a supporting material is circulated and reused to record radiat ...


13
Hisatoyo Kato, Masamitsu Ishida, Seiji Matsumoto: Image gradation processing method and apparatus for radiation image recording system. Fuji Photo Film, Gerald J Ferguson Jr, Joseph J Baker, January 12, 1982: US04310886 (39 worldwide citation)

A method and apparatus for processing a radiation image in a radiation image recording system in which a stimulable phosphor is stimulated with a scanning stimulating ray and the light emitted from the stimulable phosphor upon stimulation by the stimulating ray is detected by a photodetector which g ...


14
Hisatoyo Kato, Seiji Matsumoto, Junji Miyahara: Method for recording radiation image using stimulable phosphor. Fuji Photo Film, Gerald J Ferguson Jr, Joseph J Baker, August 18, 1981: US04284889 (35 worldwide citation)

In a method of recording a radiation image by use of a stimulable phosphor in which the stimulable phosphor is first exposed to an imagewise radiation to store the energy of the radiation and then is exposed to stimulating rays to emit light in accordance with the energy stored therein, the instanta ...


15

16
Kazuyoshi Tanaka, Hisatoyo Kato, Seiji Matsumoto: Radiation image read out device. Fuji Photo Film, Gerald J Ferguson Jr, Joseph J Baker, November 27, 1984: US04485302 (33 worldwide citation)

A radiation image recorded in a stimulable phosphor is read out by stimulating the phosphor with a stimulating ray to have the phosphor emit light and detecting the emitted light with a photodetector. A radiation image information thus obtained is read out by a photodetector by way of a light guide ...


17
Masamitsu Ishida, Hisatoyo Kato, Seiji Matsumoto: Method of and apparatus for processing a radiographic image. Fuji Photo Film, Gerald J Ferguson Jr, Joseph J Baker, August 24, 1982: US04346409 (33 worldwide citation)

A method of and apparatus for processing a radiographic image in a radiographic image recording system in which an image on a radiographic film is scanned and read out by a detector which gives an output to be processed and used for recording a visible image on a recording material. In the processin ...


18
Yasuhiro Kawai, Yoshihiko Okamoto, Takaaki Yamamoto, Hisatoyo Kato: Image scanning system. Fuji Photo Film, Gerald J Ferguson Jr, Joseph J Baker, November 22, 1983: US04417260 (32 worldwide citation)

In an image scanning system in which a light beam is deflected by an optical deflector to effect the main scanning across a recording medium while the subscanning is effected by mechanically moving the recording medium, the optical components for scanning the light beam across the recording medium a ...


19
Hisatoyo Kato, Masamitsu Ishida: Gradation processing method for a radiation image recording system. Fuji Photo Film, Gerald J Ferguson Jr, Joseph J Baker, August 24, 1982: US04346406 (25 worldwide citation)

In a radiation image recording system using a stimulable phosphor in which a radiation image is once recorded and then read out by use of stimulating rays impinging thereupon, the gradation of the image is processed by setting the read out level of the read out system and by setting the gain of the ...


20
Hisatoyo Kato, Junji Miyahara: Rear projection screens. Fuji Photo Film, Sughrue Rothwell Mion Zinn and Macpeak, January 3, 1978: US04066332 (22 worldwide citation)

A rear projection screen having means for controlling light direction comprising a light diffusion plate composed of wax, a crystalline polymer or a mixture thereof, and light shielding layers contained in the light diffusion plate which are parallel to the direction of image projection.