1
Masayuki Nakazawa, Hisanori Tsuchino: Processing apparatus for radiographic image signals. Konica Corporation, Frishauf Holtz Goodman & Woodward, June 7, 1994: US05319719 (33 worldwide citation)

An apparatus for processing radiographic image signals, including a photographing device for detecting an amount of radioactive rays transmitted through a subject and for converting the rays into original digital image signals in the form of pixels, and a signal processing circuit for processing the ...


2
Masayuki Nakazawa, Hisanori Tsuchino: Method of compressing a dynamic range for a radiation image. Konica Corporation, Frishauf Holtz Goodman Langer & Chick, December 5, 1995: US05471987 (32 worldwide citation)

A dynamic range compression method for a radiation image for obtaining processed image signal carrying an image having a dynamic range that is narrower than that of the original image, by processing original image signal representing an original image based on radiation image information transmitted ...


3
Hisanori Tsuchino, Masayuki Nakazawa: Radiation image processing method which increase and decreases a frequency region of the radiation image. Konica Corporation, Frishauf Holtz Goodman Langer & Chick, February 20, 1996: US05493622 (23 worldwide citation)

A method of reproducing a radiographic image of a subject includes processing radiographic image signals which indicates a signal level corresponding to an amount of radioactive rays transmitted through each portion of the subject. The method compresses a signal level range of a part of the low freq ...


4
Duncan James Anderson, Gillian Margaret Davis, Kathryn Walsh, Robert George Watling Brown, Masayuki Nakazawa: Broadband cholesteric polarizer and an optical device employing the same. Sharp Kabushiki Kaisha, Renner Otto Boisselle & Sklar, May 9, 2000: US06061108 (22 worldwide citation)

A broadband cholesteric polariser includes at least one pair of adjacent layers. The at least one pair includes a cholesteric layer and a compensating layer. The compensating layer has a refractive index perpendicular to the compensating layer greater than a refractive index oriented within the comp ...


5
Akira Yamano, Masayuki Nakazawa: Image processing method and image converting apparatus. Konica Corporation, Cantor Colburn, June 12, 2007: US07231072 (21 worldwide citation)

There is described an image processing method and an image converting apparatus for performing the image processing for recording the medical image information. The apparatus includes an image converting section to convert the image in respect to the original image signals; an image feature extracti ...


6
Masayuki Nakazawa: Apparatus for controlling localization of a sound image. Sharp Kabushiki Kaisha, February 3, 1998: US05715317 (19 worldwide citation)

The present invention discloses a sound image localization apparatus for localizing a sound image at an arbitrary location in three-dimensional space by adding an attenuation in distance to a digital filter in order to reduce an operation time of convolution and approximating the head related transf ...


7
Masayuki Nakazawa, Masaaki Nitta, Hisanori Tsuchino, Akiko Kano: Radiation image storage panel having low refractive index layer and protective layer. Konica Corporation, Frishauf Holtz Goodman & Woodward, June 11, 1991: US05023461 (19 worldwide citation)

There are disclosed a radiation image storage panel having a stimulable layer and a protective layer on a support, which comprises a layer having a lower refractive index than the protective layer is provided between the stimulable phosphor layer and the protective layer; and a process for preparing ...


8
Masayuki Nakazawa, Akira Yamano: Medical-use image recording apparatus and medical-use imaging system. Konica Corporation, Squire Sanders & Dempsey L, October 31, 2006: US07130460 (13 worldwide citation)

An image recording method for visualizing an image signal of medical diagnosis, which has the steps of: inputting the image signal of medical diagnosis; processing the image signal of medical diagnosis to get correct sharpness in visualized image by applying a frequency enhancement processing; and v ...


9
Miho Maeda, Mitsuru Mochizuki, Yasushi Iwane, Yuji Kakehi, Masayuki Nakazawa, Taisei Suemitsu: Mobile communication system. Mitsubishi Electric Corporation, Oblon Spivak McClelland Maier & Neustadt L, January 7, 2014: US08626163 (9 worldwide citation)

A mobile communication system including a mobile terminal, a base station carrying out radio communications with the mobile terminal, and an access management device managing access from the mobile terminal to the base station, which, when an access group including one or more mobile terminals and o ...


10
Takehiko Shoji, Haruhiko Masutomi, Tomoko Saito, Masafumi Saito, Kouji Amitani, Masayuki Nakazawa, Yoshiyuki Ishimitsu: Cassette for radiographic imaging, radiographic image reading apparatus and radiographic image reading method. Konica Corporation, Lucas & Mercanti, November 29, 2005: US06969861 (6 worldwide citation)

A housing for accommodating a radiation detecting member, has a first plate member to which radiation is incident from an outside of the housing; a second plate member arranged opposite to the first plate member; a radiation detecting member provided between the first plate member and the second pla ...