Patents by Inventor Toshimi Yamamura
Toshimi Yamamura 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: 8446642Abstract: An image processing apparatus in which the reusability of digital image data is improved is disclosed. The apparatus includes an image reading unit reading a draft and obtaining the digitized image data; an image writing unit printing image data on a transfer paper; a recording unit recording image data and attached information of the image data; an external I/F unit transmitting and receiving image data and attached information of the image data; a first and a second image data processing units processing the image data from the image reading unit and the recording unit, respectively; and a bus controlling unit connecting each of the units. The first and the second image data processing units match the characteristics of the image data to prescribed characteristics so that the matched image data can be usable for both the image writing unit and the external device.Type: GrantFiled: August 7, 2007Date of Patent: May 21, 2013Assignee: Ricoh Company, Ltd.Inventors: Atsushi Togami, Tomoyuki Yoshida, Toshiya Hikita, Takeharu Tone, Shuji Kimura, Takumi Nozawa, Toshimi Yamamura, Akira Murakata, Satoshi Ohkawa, Manabu Komatsu, Yasunobu Shirata, Hiroyuki Kawamoto, Yukihiko Tamura
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Patent number: 8059285Abstract: A disclosed image forming apparatus includes an image scanning unit configured to generate image data by converting light reflected from an optically scanned printed page into electrical signals; an interface configured to receive image data from an external apparatus; an expansion bus to which the image scanning unit and the interface are connected; a bus control unit configured to control the expansion bus; an image data storage unit configured to store the image data; at least one image processing unit connected to the expansion bus and configured to perform an image processing operation on the image data; a task management unit configured to send an image processing request to the image processing unit; and an image writing unit connected to the expansion bus and configured to print the image data on which the image processing operation has been performed by the image processing unit.Type: GrantFiled: September 11, 2006Date of Patent: November 15, 2011Assignee: Ricoh Company, Ltd.Inventors: Akira Murakata, Hiroyuki Kawamoto, Toshiya Hikita, Takumi Nozawa, Satoshi Ohkawa, Toshimi Yamamura, Atsushi Togami, Takeharu Tone, Tomoyuki Yoshida, Yasunobu Shirata, Shuji Kimura, Takanori Ito, Yukihiko Tamura, Masato Ishii
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Patent number: 7692816Abstract: When first image data, which is in a first color space, is converted into second image data, which is in a second color space corresponding to an image output unit. Upon converting the image data, if the first image data is color data, background removal process is switched OFF. Otherwise, the background removal process is switched ON. Thus, it is possible to obtain an image desired by a user.Type: GrantFiled: August 3, 2006Date of Patent: April 6, 2010Assignee: Ricoh Company, LimitedInventors: Hiroyuki Kawamoto, Atsushi Togami, Toshimi Yamamura, Satoshi Ohkawa, Yasunobu Shirata, Toshiya Hikita, Takeharu Tone, Shuji Kimura, Takumi Nozawa, Tomoyuki Yoshida
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Patent number: 7664320Abstract: When image data is determined to be reused, a first image-data processing unit performs a first image processing on the image data, a memory device accumulates the image data on which the first image processing is performed, and a second image-data processing unit performs second image processing on the image data accumulated in the memory device. When the image data is determined not to be reused, the first image-data processing unit performs a first image processing, and the second image-data processing unit performs a second image processing on the image data on which the first image processing is performed.Type: GrantFiled: September 11, 2006Date of Patent: February 16, 2010Assignee: Ricoh Company, Ltc.Inventors: Tomoyuki Yoshida, Toshiya Hikita, Hiroyuki Kawamoto, Takeharu Tone, Shuji Kimura, Atsushi Togami, Takumi Nozawa, Toshimi Yamamura, Akira Murakata, Satoshi Ohkawa, Manabu Komatsu, Yasunobu Shirata, Yukihiko Tamura
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Patent number: 7665142Abstract: An image processing apparatus and an image forming apparatus can easily handle various kinds of documents including a special document and a normal document without problems of counterfeit by copy. The image processing apparatus and the image forming apparatus have a circuit for processing image data. A signal generating circuit generates a signal to prevent an image formation of a specified document. The signal generating circuit is detachably attached to the circuit for processing image data.Type: GrantFiled: February 3, 2005Date of Patent: February 16, 2010Assignee: Ricoh Company, Ltd.Inventor: Toshimi Yamamura
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Patent number: 7502140Abstract: An error adding step adds together input multi-tone image data and peripheral error information. An adding/subtracting step adds to or subtracts from multi-tone image data calculated by the error adding step, a random number in a matrix prepared for each set of pixels of the input multi-tone image data. A quantizing step quantizes multi-tone image data calculated by the adding/subtracting step into image data, the number of bits of which image data being smaller than the number of bits of the multi-tone image data calculated by the adding/subtracting step. An error calculating step calculates an error based on the multi-tone image data calculated by the error adding step and the image data quantized by the quantizing step. An error storing step stores the error calculated by the error calculating step for each peripheral pixel.Type: GrantFiled: June 1, 2004Date of Patent: March 10, 2009Assignee: Ricoh Company, Ltd.Inventor: Toshimi Yamamura
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Publication number: 20080037036Abstract: An image processing apparatus in which the reusability of digital image data is improved is disclosed. The apparatus includes an image reading unit reading a draft and obtaining the digitized image data; an image writing unit printing image data on a transfer paper; a recording unit recording image data and attached information of the image data; an external I/F unit transmitting and receiving image data and attached information of the image data; a first and a second image data processing units processing the image data from the image reading unit and the recording unit, respectively; and a bus controlling unit connecting each of the units. The first and the second image data processing units match the characteristics of the image data to prescribed characteristics so that the matched image data can be usable for both the image writing unit and the external device.Type: ApplicationFiled: August 7, 2007Publication date: February 14, 2008Inventors: Atsushi Togami, Tomoyuki Yoshida, Toshiya Hikita, Takeharu Tone, Shuji Kimura, Takumi Nozawa, Toshimi Yamamura, Akira Murakata, Satoshi Ohkawa, Manabu Komatsu, Yasunobu Shirata, Hiroyuki Kawamoto, Yukihiko Tamura
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Publication number: 20070226692Abstract: An image processing apparatus is disclosed. The image processing apparatus includes: an image processing unit configured to perform a plurality of image processes on image data that is input to the image processing apparatus; a unit configured to receive a specified function; an image debugging interface unit configured to output the image data on which an image process, of the plurality of image processes, corresponding to the specified function has been performed to an external apparatus in a debugging mode; and an image output unit configured to output the image data on which the image process corresponding to the specified function and following at least one image process of the plurality of image processes have been performed in the debugging mode.Type: ApplicationFiled: March 22, 2007Publication date: September 27, 2007Inventors: Takumi NOZAWA, Hiroyuki Kawamoto, Toshiya Hikita, Tomoyuki Yoshida, Shuji Kimura, Manabu Komatsu, Takeharu Tone, Toshimi Yamamura, Satoshi Ohkawa, Atsushi Togami, Yasunobu Shirata, Akira Murakata, Yukihiko Tamura
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Publication number: 20070086068Abstract: An image processing apparatus includes an image scan unit configured to scan a document to produce electronic image data, a check unit configured to make determination as to whether the document is a color document or a monochrome document based on the image data scanned by the image scan unit, a scan image correction unit configured to correct the image data scanned by the image scan unit such that the image data has predetermined data characteristics, a memory unit configured to store the image data corrected by the scan image correction unit, and an image processing unit configured to perform image processing on the image data stored in the memory unit in response to the determination made by the check unit and characteristics required for outputting of the image data.Type: ApplicationFiled: October 12, 2006Publication date: April 19, 2007Inventors: Satoshi Ohkawa, Manabu Komatsu, Hiroyuki Kawamoto, Tomoyuki Yoshida, Toshiya Hikita, Toshimi Yamamura, Atsushi Togami, Shuji Kimura, Takumi Nozawa, Yasunobu Shirata, Akira Murakata, Yukihiko Tamura
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Publication number: 20070070438Abstract: When image data is determined to be reused, a first image-data processing unit performs a first image processing on the image data, a memory device accumulates the image data on which the first image processing is performed, and a second image-data processing unit performs second image processing on the image data accumulated in the memory device. When the image data is determined not to be reused, the first image-data processing unit performs a first image processing, and the second image-data processing unit performs a second image processing on the image data on which the first image processing is performed.Type: ApplicationFiled: September 11, 2006Publication date: March 29, 2007Inventors: Tomoyuki Yoshida, Toshiya Hikita, Hiroyuki Kawamoto, Takeharu Tone, Shuji Kimura, Atsushi Togami, Takumi Nozawa, Toshimi Yamamura, Akira Murakata, Satoshi Ohkawa, Manabu Komatsu, Yasunobu Shirata, Yukihiko Tamura
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Publication number: 20070070405Abstract: A disclosed image forming apparatus includes an image scanning unit configured to generate image data by converting light reflected from an optically scanned printed page into electrical signals; an interface configured to receive image data from an external apparatus; an expansion bus to which the image scanning unit and the interface are connected; a bus control unit configured to control the expansion bus; an image data storage unit configured to store the image data; at least one image processing unit connected to the expansion bus and configured to perform an image processing operation on the image data; a task management unit configured to send an image processing request to the image processing unit; and an image writing unit connected to the expansion bus and configured to print the image data on which the image processing operation has been performed by the image processing unit.Type: ApplicationFiled: September 11, 2006Publication date: March 29, 2007Inventors: Akira Murakata, Hiroyuki Kawamoto, Toshiya Hikita, Takumi Nozawa, Satoshi Ohkawa, Toshimi Yamamura, Atsushi Togami, Takeharu Tone, Tomoyuki Yoshida, Yasunobu Shirata, Shuji Kimura, Takanori Ito, Yukihiko Tamura, Masato Ishii
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Publication number: 20070064267Abstract: In an image processing apparatus including an image reading unit that obtains electronic image data obtained by reading a document, an image writing unit that prints the image data on transfer paper, a memory unit that stores the image data and auxiliary data of the image data, an external I/F unit that transmits and receives the image data to and from an external unit, a first image data processing unit that processes the image data from the image reading unit, a second image data processing unit that processes the image data from the memory unit, and a bus control unit that connects each of the units, a recognition function through image processing and an image processing function based on the recognition result are independently provided.Type: ApplicationFiled: September 7, 2006Publication date: March 22, 2007Inventors: Akira Murakata, Hiroyuki Kawamoto, Toshiya Hikita, Tomoyuki Yoshida, Takumi Nozawa, Satoshi Ohkawa, Shuji Kimura, Manabu Komatsu, Atsushi Togami, Takeharu Tone, Toshimi Yamamura, Yasunobu Shirata, Yukihiko Tamura
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Publication number: 20070058224Abstract: An image processing apparatus includes an image reading unit that reads an image of a surface of a document to acquire image data and a document type setting unit that receives input of setting of a document type of the document. A color-correction-constant changing unit changes a color correction constant to be used in an image processing based on the set document type. An image-data converting unit converts the image data to an image data in a first color space that is a common color space by applying the image processing based on the color correction constant to the image data.Type: ApplicationFiled: September 7, 2006Publication date: March 15, 2007Inventors: Hiroyuki Kawamoto, Tomoyuki Yoshida, Toshiya Hikita, Takeharu Tone, Shuji Kimura, Atsushi Togami, Takumi Nozawa, Toshimi Yamamura, Akira Murakata, Satoshi Ohkawa, Manabu Komatsu, Yasunobu Shirata, Yukihiko Tamura
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Publication number: 20070053009Abstract: An image processing method that stores image data in a storage unit is disclosed. The image data and data related to processing performed on the image data are stored in correlation with each other in the storage unit.Type: ApplicationFiled: September 5, 2006Publication date: March 8, 2007Inventors: Takanori Ito, Shuji Kimura, Toshiya Hikita, Takumi Nozawa, Tomoyuki Yoshida, Satoshi Ohkawa, Yasunobu Shirata, Yukihiko Tamura, Masato Ishii, Takeharu Tone, Hiroyuki Kawamoto, Atsushi Togami, Toshimi Yamamura, Akira Murakata
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Publication number: 20070030504Abstract: When first image data, which is in a first color space, is converted into second image data, which is in a second color space corresponding to an image output unit. Upon converting the image data, if the first image data is color data, background removal process is switched OFF. Otherwise, the background removal process is switched ON. Thus, it is possible to obtain an image desired by a user.Type: ApplicationFiled: August 3, 2006Publication date: February 8, 2007Inventors: Hiroyuki Kawamoto, Atsushi Togami, Toshimi Yamamura, Satoshi Ohkawa, Yasunobu Shirata, Toshiya Hikita, Takeharu Tone, Shuji Kimura, Takumi Nozawa, Tomoyuki Yoshida
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Patent number: 6981134Abstract: A processor processing method suitable for a processor system. The processor system comprises a CPU 10, a ROM 20 coupled to the CPU, and a DSP 30 having a memory unit 50 for storing programs and a processor unit 40 for processing data according to the programs. The ROM stores a plurality of programs and parameters required for processing the programs to the ROM. The CPU downloads an initial program to the memory unit of the DSP when a power is turned on. Then, the programs and the parameters corresponding to each process request from the system processor external are transferred from the ROM to the memory unit of the DSP. The data to be processed is input from the external of the processor system to the DSP; processing the data by the processor unit based on the programs and the parameters that are transferred to the memory unit, and then the processed data is output to the system processor external.Type: GrantFiled: April 24, 2002Date of Patent: December 27, 2005Assignee: Ricoh Company, Ltd.Inventor: Toshimi Yamamura
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Publication number: 20050185972Abstract: An image processing apparatus and an image forming apparatus can easily handle various kinds of documents including a special document and a normal document without problems of counterfeit by copy. The image processing apparatus and the image forming apparatus have a circuit for processing image data. A signal generating circuit generates a signal to prevent an image formation of a specified document. The signal generating circuit is detachably attached to the circuit for processing image data.Type: ApplicationFiled: February 3, 2005Publication date: August 25, 2005Inventor: Toshimi Yamamura
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Publication number: 20040218219Abstract: An error adding step adds together input multi-tone image data and peripheral error information. An adding/subtracting step adds to or subtracts from multi-tone image data calculated by the error adding step, a random number in a matrix prepared for each set of pixels of the input multi-tone image data. A quantizing step quantizes multi-tone image data calculated by the adding/subtracting step into image data, the number of bits of which image data being smaller than the number of bits of the multi-tone image data calculated by the adding/subtracting step. An error calculating step calculates an error based on the multi-tone image data calculated by the error adding step and the image data quantized by the quantizing step. An error storing step stores the error calculated by the error calculating step for each peripheral pixel.Type: ApplicationFiled: June 1, 2004Publication date: November 4, 2004Inventor: Toshimi Yamamura
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Patent number: 6775027Abstract: An error adding portion adds together input multi-tone image data and peripheral error information. An adding/subtracting portion adds to or subtracts from multi-tone image data calculated by the error adding portion, a random number in a matrix prepared for each set of pixels of the input multi-tone image data. A quantizing portion quantizes multi-tone image data calculated by the adding/subtracting portion into image data, the number of bits of which image data being smaller than the number of bits of the multi-tone image data calculated by the adding/subtracting portion. An error calculating portion calculates an error based on the multi-tone image data calculated by the error adding portion and the image data quantized by the quantizing portion. An error storing portion stores the error calculated by the error calculating portion for each peripheral pixel.Type: GrantFiled: December 1, 1999Date of Patent: August 10, 2004Assignee: Ricoh Company, Ltd.Inventor: Toshimi Yamamura
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Publication number: 20030009656Abstract: A processor processing method suitable for a processor system. The processor system comprises a CPU 10, a ROM 20 coupled to the CPU, and a DSP 30 having a memory unit 50 for storing programs and a processor unit 40 for processing data according to the programs. The ROM stores a plurality of programs and parameters required for processing the programs to the ROM. The CPU downloads an initial program to the memory unit of the DSP when a power is turned on. Then, the programs and the parameters corresponding to each process request from the system processor external are transferred from the ROM to the memory unit of the DSP. The data to be processed is input from the external of the processor system to the DSP; processing the data by the processor unit based on the programs and the parameters that are transferred to the memory unit, and then the processed data is output to the system processor external.Type: ApplicationFiled: April 24, 2002Publication date: January 9, 2003Inventor: Toshimi Yamamura