Patents by Inventor Toshihiro Kadowaki
Toshihiro Kadowaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5420703Abstract: An image processing system includes a unit for supplying image information and attribute information of the image information which has a plurality of states, a memory unit for storing image information at least read out from a reader, and a unit for converting the image information so that an attribute of the image information is set in a predetermined state when the image information is stored in the memory unit.Type: GrantFiled: August 16, 1994Date of Patent: May 30, 1995Assignee: Canon Kabushiki KaishaInventors: Masanori Sakai, Takayuki Komine, Tetsuya Ohnishi, Toshihiro Kadowaki
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Patent number: 5414539Abstract: There is disclosed a color image forming apparatus provided with an input terminal for plural input color component signals and an output color component control signal, a processing circuit for processing the input color component signal to obtain plural output color component signals specific to the apparatus, and image forming means for forming each color component image according to the value of each output color component signal, in which the processing circuit is capable of controlling the calculation of output color component control signals according to the value of the output color component control signal.Type: GrantFiled: October 22, 1993Date of Patent: May 9, 1995Assignee: Canon Kabushiki KaishaInventor: Toshihiro Kadowaki
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Patent number: 5351074Abstract: There is disclosed an apparatus comprising: an input circuit for inputting at least one of the coded character information, coded figure information, and bit image information; a memory to store an image; an image developing circuit for developing the information input by the input circuit into the image memory with respect to one output color component; and an image forming circuit to form one output color component image in accordance with the value of the image data in the memory, wherein a color image can be formed by repeating the image development and the image formation with respect to a plurality of output color components.Type: GrantFiled: October 13, 1992Date of Patent: September 27, 1994Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kadowaki, Masanori Sakai
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Patent number: 5333068Abstract: An image processing system including: a reproducing apparatus to reproduce a plurality of image signals recorded on a recording medium; and an image forming apparatus to form the image signals of a plurality of picture planes which were read out of the reproducing apparatus as a plurality of visible images. The reproducing apparatus and the image forming apparatus process the plurality of image signals, while communicating with each other via a wire. With this system, since the image recording and reproducing apparatus can be preferably controlled on the image forming apparatus side, the image forming apparatus can be provided in a portable small image recording and reproducing apparatus such as an electronic still camera which executes an electrophotographic image process.Type: GrantFiled: August 24, 1993Date of Patent: July 26, 1994Assignee: Canon Kabushiki KaishaInventors: Masanori Sakai, Saburo Nakazato, Takayuki Komine, Norio Nakajima, Tetsuya Ohnishi, Toshio Honma, Yasutomo Suzuki, Toshihiro Kadowaki
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Patent number: 5296946Abstract: There is provided a color image processing apparatus in which, by making use of an image reading apparatus of a digital full-color copying apparatus, the designated color to be obtained after conversion is input and stored as component ratio of color-separated image data, and monochromatic image data proportional to the gradation levels, e.g., density, lightness, luminance and so forth are obtained from the color separated image data produced from the original image, the monochromatic image data thus obtained being converted into the color separation data corresponding to the component ratio of the designated color to be obtained after conversion, thereby making it possible to preserve the hue of the designated color and to effect color conversion to the designated color having gradation proportional to the gradation of the original image.Type: GrantFiled: August 31, 1992Date of Patent: March 22, 1994Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kadowaki, Tetsuya Ohnishi, Koichi Katoh, Yasumichi Suzuki, Toshio Honma
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Patent number: 5285290Abstract: This invention provides an image storing apparatus which can store input image information while preserving the aspect ratio thereof. The image storing apparatus compares the memory capacity of a memory device with the size of the input image information to change the size of the input image to the required magnification, thereby preventing the image to be stored from being partially cut away. Moreover, if another image information is allowed to be stored in the memory device, this image information can be stored in the same, whereby image information can be efficiently stored.Type: GrantFiled: July 26, 1989Date of Patent: February 8, 1994Assignee: Canon Kabushiki KaishaInventors: Masanori Sakai, Toshihiro Kadowaki, Toshio Honma, Takayuki Komine
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Patent number: 5260777Abstract: An image processing apparatus is provided for reading color separations, each separation corresponding to each of plural color components. A memory stores each of the signals attained by reading the color separations. The signals stored in the memory are read and are reproduced by combining the color separations as visible images.Type: GrantFiled: June 1, 1992Date of Patent: November 9, 1993Assignee: Canon Kabushiki KaishaInventors: Takayuki Komine, Masanori Sakai, Tetsuya Ohnishi, Toshihiro Kadowaki, Toshio Honma
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Patent number: 5194945Abstract: A color image processing apparatus for converting a predetermined color in color image data into data of desired characteristic extracts density information and hue information with respect to the color image data. Density information and hue information in respect to a predetermined color are set. Judgement is conducted as to whether a first difference between the density information of the color image data and the density information of the predetermined color falls within a first predetermined range and also as to whether a second difference between the hue information of the color image data and the hue information of the predetermined color falls within a second predetermined range. The color image data is converted into the predetermined color on condition that the first and second differences fall within the first and second predetermined ranges, respectively.Type: GrantFiled: August 10, 1988Date of Patent: March 16, 1993Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kadowaki, Tetsuya Ohnishi, Yoshinori Ikeda
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Patent number: 5168292Abstract: There is disclosed an apparatus comprising: an input circuit for inputting at least one of the coded character information, coded figure information, and bit image information; a memory to store an image; an image developing circuit for developing the information input by the input circuit into the image memory with respect to one output color component; and an image forming circuit to form one output color component image in accordance with the value of the image data in the memory, wherein a color image can be formed by repeating the image development and the image formation with respect to a plurality of output color components.Type: GrantFiled: July 24, 1990Date of Patent: December 1, 1992Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kadowaki, Masanori Sakai
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Patent number: 5166786Abstract: An image forming apparatus arranged to receive image information from a memory device for storing color image information and then to form an image on an image-forming medium. This apparatus allows an operator to specify the size and the layout of a color image to be formed on the image-forming medium while viewing a display provided on a monitor device. The apparatus can change the size of the color image information read from the memory device to the required magnification in accordance with a command given by the specifying element, thereby producing a printout. In this case, the operator can adjust the image quality of image information to be printed out while visually confirming the quality of the image displayed on the monitor device, whereby no proof printout is needed.Type: GrantFiled: July 26, 1989Date of Patent: November 24, 1992Assignee: Canon Kabushiki KaishaInventors: Masanori Sakai, Toshihiro Kadowaki, Yoshinori Ikeda, Takayuki Komine, Toshio Honma
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Patent number: 5140413Abstract: An image processing apparatus includes a first indicator for indicating movement of an objective color image, a second indicator for indicating conversion of a specific color in the objective color image and a processor for moving the objective color image in accordance with the indication by the first indicator, and for performing the conversion of the specific color in the objective color image in accordance with the indication by the second indicator.Type: GrantFiled: April 18, 1991Date of Patent: August 18, 1992Assignee: Canon Kabushiki KaishaInventors: Yasumichi Suzuki, Yoshinori Ikeda, Koichi Katoh, Tetsuya Ohnishi, Toshihiro Kadowaki, Toshio Honma
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Patent number: 5021876Abstract: There is provided an image processing apparatus for modulating a concentration of input image data, comprising: an inputting device to input image data; a RAM to store first image data input by the inputting device; a processing unit to execute a modulating process to at least one area such as a non-rectangular area in second image data input by the inputting device by using the first image data stored in the RAM; and a detector to detect a predetermined color of the second image data. The area is specified by the color detected by the detector. The inputting device includes a CCD for reading an original and generating RGB color component signals. With this apparatus, a texture process is executed to at least one non-rectangular area and the result can be output in a real-time manner.Type: GrantFiled: September 18, 1990Date of Patent: June 4, 1991Assignee: Canon Kabushiki KaishaInventors: Mitsuru Kurita, Yoshinori Ikeda, Yasumichi Suzuki, Koichi Katoh, Hiroyuki Ichikawa, Toshiyuki Kitamura, Toshihiro Kadowaki
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Patent number: 4996591Abstract: There is provided a color image processing apparatus in which, by making use of an image reading apparatus of a digital full-color copying apparatus, the designated color to be obtained after conversion is input and stored as component ratio of color-separated image data, and monochromatic image data proportional to the gradation levels, e.g., density, lightness, luminance and so forth are obtained from the color separated image data produced from the original image, the monochromatic image data thus obtained being converted into the color separation data corresponding to the component ratio of the designated color to be obtained after conversion, thereby making it possible to preserve the hue of the designated color and to effect color conversion to the designated color having gradation proportional to the gradation of the original image.Type: GrantFiled: May 13, 1988Date of Patent: February 26, 1991Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kadowaki, Tetsuya Ohnishi, Koichi Katoh, Yasumichi Suzuki, Toshio Honma
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Patent number: 4963898Abstract: There is disclosed an apparatus comprising: an input circuit for inputting at least one of the coded character informaton, coded figure information, and bit image information; a memory to store an image; an image developing circuit for developing the information input by the input circuit into the image memory with respect to one output color component; and an image forming circuit to form one output color component image in accordance with the value of the image data in the memory, wherein a color image can be formed by repeating the image development and the image formation with respect to a plurality of output color components.Type: GrantFiled: November 15, 1989Date of Patent: October 16, 1990Assignee: Canon Kabushiki KaishaInventors: Toshihiro Kadowaki, Masanori Sakai
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Patent number: 4958219Abstract: A color image forming apparatus provided with an input terminal for plural input color component signals, an independent input terminal for an output color component control signal, a processing circuit for processing the input color component signal to obtain plural output color component signals specific to the apparatus, and image forming means for forming each color component image according to the value of each output color component signal, in which the processing circuit is capable of controlling the calculation of output color component control signals according to the value of the output color component control signal. In one illustrated embodiment, the output color component signal is adapted to maintain a black output color component at a predetermined value.Type: GrantFiled: January 18, 1989Date of Patent: September 18, 1990Assignee: Canon Kabushiki KaishaInventor: Toshihiro Kadowaki
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Patent number: 4918542Abstract: An image processing apparatus in which an image is read by division into plural areas. An image size variation for an area is conducted with the same image magnification as for a preceding area, so that the images of plural areas are smoothly connected.Type: GrantFiled: September 1, 1987Date of Patent: April 17, 1990Assignee: Canon Kabushiki KaishaInventors: Nao Nagashima, Toshihiro Kadowaki
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Patent number: 4873570Abstract: A color image processing apparatus such as a color copying machine has a color appointing device for enabling an operator to appoint any desired color involved in an original image, a color range changing device for manually or automatically changing the size of range of the colors which can be regarded as being the same as the predetermined color, a target color appointing device for appointing a color to which the predetermined color is to be converted, and a color image forming device such as a laser beam printer for forming a color image with the predetermined color and colors in the color range converted into the target color.Type: GrantFiled: November 13, 1987Date of Patent: October 10, 1989Assignee: Canon Kabushiki KaishaInventors: Yasumichi Suzuki, Yoshinori Ikeda, Koichi Katoh, Tetsuya Ohnishi, Toshihiro Kadowaki, Toshio Honma