1
Katsuhiro Kanamori, Yoshimitsu Kanno, Toshiharu Kurosawa, Hidehiko Kawakami, Motohiko Naka, Hiroaki Kotera: Color correction method for color copier utilizing correction table derived from printed color samples. Matsushita Electric Industrial, Lowe Price LeBlanc Becker & Shur, May 29, 1990: US04929978 (117 worldwide citation)

A color correction method applicable to a digital processing type of color copier, whereby a set of color patches of respectively different sample colors is printed using a set of printing data values, the color patches are then scanned and analyzed to obtain color patch input data values by the col ...


2
Toshiharu Kurosawa, Hiroyoshi Tsuchiya, Yuji Maruyama, Katsuo Nakazato: Bi-level image display signal processing apparatus. Matsushita Electric Industrial, Lowe Price LeBlanc Becker & Shur, May 8, 1990: US04924322 (42 worldwide citation)

An image signal processing apparatus for converting input signal values representing density levels of successive picture elements of an image to corresponding bi-level signal values, whereby a conversion error for an object picture element is apportioned among a set of unprocessed adjacent picture ...


3
Katsuhiro Kanamori, Osamu Yamada, Hideto Motomura, Toshiharu Kurosawa, Teruo Fumoto: Method and apparatus for color conversion. Matsushita Electric Industrial, Lowe Price LeBlanc & Becker, June 27, 1995: US05428465 (41 worldwide citation)

The present invention relates to a method and apparatus applied to a widely-used and high-speed color conversion which is utilized in a color printer, a color display apparatus and the like, and provides a novel three-dimensional interpolation operation by use of a triangle-pole shaped interpolation ...


4
Toshiharu Kurosawa: Compact optical waveguide. Matsushita Electric Industrial Co, Panasonic Technologies, Ratner & Prestia, October 17, 2000: US06134369 (41 worldwide citation)

A compact optical waveguide employs a photonic band gap element as a reflector to enable a light beam to be reflected at angles greater than the critical angle. The photonic band gap device is a two-dimensional array of columnar holes formed in the substrate the holes are filled with air or another ...


5
Yusuke Monobe, Tatsumi Watanabe, Yasuhiro Kuwahara, Akio Kojima, Toshiharu Kurosawa: Image processing apparatus and image processing method. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, November 6, 2007: US07292733 (32 worldwide citation)

An image processing apparatus for performing filter processing on a decoded image that is obtained by decoding compressed data obtained by coding a multi-valued image by the block of M×N pixels so as to eliminate noises and generating a reconstructed image. The image processing apparatus includes: a ...


6
Tadao Kohashi, Toshiharu Kurosawa: Control element having liquid layer attainable to geometrically uneven state in response to electrical signal. Matsushita Electric Industrial, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, June 21, 1977: US04030813 (31 worldwide citation)

A device comprising a support member of a solid material, a liquid material in intimate contact with and supported by the support member and an electrical means for creating an electric field having an electric vector in a direction parallel to the interface between the two materials to cause an ele ...


7
Tatsumi Watanabe, Akio Kojima, Yasuhiro Kuwahara, Yusuke Monobe, Toshiharu Kurosawa, Hirotaka Oku: Image processing device and image processing method. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, June 10, 2008: US07386185 (20 worldwide citation)

An image processing apparatus for automatically improving the contrast of an input image that is obtained from a digital camera or the like, and obtaining a sharper and clearing image. A contrast improvement unit (11) performs a contrast improvement process on the input image by comparing an object ...


8
Hiroyoshi Tsuchiya, Toshiharu Kurosawa, Hirotaka Otsuka, Yuuji Maruyama, Katsuo Nakazato: Apparatus for processing image signal. Matsushita Electric Industrial, Wenderoth Lind & Ponack, September 8, 1987: US04692811 (17 worldwide citation)

The invention relates to a method for processing an image signal such that areas of original image data are sequentially scanned with a scanning window having a size corresponding to M picture elements in units of a predetermined number of picture elements so as to perform halftone display in accord ...


9
Katsuo Nakazato, Hiroyoshi Tsuchiya, Toshiharu Kurosawa, Yuji Maruyama, Kiyoshi Takahashi: Apparatus for processing image signal. Matsushita Electric Industrial, Lowe Price LeBlanc Becker & Shur, December 26, 1989: US04890167 (13 worldwide citation)

An image signal processing circuit for converting a continuous tone image signal to a bi-level image signal, for producing a spatial gray scale image on a bi-level display device such as a gas plasma display panel. Respective values of apportionment factors (K.sub.A to K.sub.D) used for apportioning ...


10
Haruo Yamashita, Akio Kojima, Toshiharu Kurosawa, Yasuhiro Kuwahara, Tatsumi Watanabe, Yusuke Monobe, Takeshi Ito: Visual processing device, visual processing method, visual processing program, intergrated circuit, display device, image-capturing device, and portable information terminal. Panasonic Corporation, Wenderoth Lind & Ponack L, December 28, 2010: US07860339 (12 worldwide citation)

The invention is a visual processing device having a hardware configuration that does not depend on achieving visual processing, wherein the visual processing device includes a spatial processing portion and a visual processing portion. The spatial processing portion performs predetermined processin ...