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Tsutomu Takata, Hiroki Kitamura, Yoshiyuki Akiba, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Kenzo Tojima, Takaaki Nagaoka: Image forming apparatus and its control method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 23, 2010: US07684079 (17 worldwide citation)

An image forming engine has color shifting amount storage units C, M, Y, and K (black) which store actual shifting amounts relative to ideal scan directions on image carriers C, M, Y, and K in image forming units C, M, Y, and K. Color shifting correction amount arithmetic units calculate color shift ...


2
Kenzo Tojima, Hiroki Kitamura, Yoshiyuki Akiba, Tsutomu Takata, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Takaaki Nagaoka: Color image forming apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, December 8, 2009: US07630100 (9 worldwide citation)

A color image forming apparatus of a so-called tandem type which has image forming units in correspondence with colors is provided. In the color image forming apparatus, a color discrepancy amount storage unit stores information of a color discrepancy amount of each of the image forming units, which ...


3
Masato Murakami, Tsutomu Takata, Koji Yamaguchi, Akihiro Kondoh, Naoki Koshizuka: Oxide superconductor and process for producing the same. International Superconductivity Technology Center, Hokuriku Electric Power Company, Sumitomo Electric, Kawasaki Jukogyo Kabushiki Kaisha, Nippon Steel Corporation, Wenderoth Lind & Ponack, March 7, 1995: US05395820 (8 worldwide citation)

An oxide superconductor comprising a crystal of LnBa.sub.2 Cu.sub.3 O.sub.y (wherein Ln is at least one of rare earth elements including Y) and, finely dispersed therein, Ln.sub.2 BaCuO.sub.5 and a composite oxide of PtBaCuO having an average particle diameter of 0.1 to 10 .mu.m is disclosed. The ox ...


4
Hiroki Kitamura, Yoshiyuki Akiba, Tsutomu Takata, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Kenzo Tojima, Takaaki Nagaoka: Image forming system with density conversion based on image characteristics and amount of color shift. Canon Kabushiki Kaisha, Canon U I P Division, November 17, 2009: US07619775 (7 worldwide citation)

An image forming system includes an information processing apparatus and an image forming apparatus. The information processing apparatus performs image generation, color conversion, and extraction of image characteristics to generate compressed data. The image forming apparatus decompresses the com ...


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Kenzo Tojima, Hiroki Kitamura, Yoshiyuki Akiba, Tsutomu Takata, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Takaaki Nagaoka: Color image forming apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 29, 2011: US08068259 (2 worldwide citation)

A color image forming apparatus of a so-called tandem type which has image forming units in correspondence with colors is provided. In the color image forming apparatus, a color discrepancy amount storage unit stores information of a color discrepancy amount of each of the image forming units, which ...


6
Tsutomu Takata, Hiroki Kitamura, Yoshiyuki Akiba, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Kenzo Tojima, Takaaki Nagaoka: Image forming apparatus and its control method of correction amount based on selected rotational speed. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 29, 2013: US08570594 (1 worldwide citation)

With this invention, color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing generation of moiré d ...


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Kenzo Tojima, Hiroki Kitamura, Yoshiyuki Akiba, Tsutomu Takata, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Takaaki Nagaoka: Color image forming apparatus. Fitzpatrick Cella Harper & Scinto, October 12, 2006: US20060226338-A1

A color image forming apparatus of a so-called tandem type which has image forming units in correspondence with colors is provided. In the color image forming apparatus, a color discrepancy amount storage unit stores information of a color discrepancy amount of each of the image forming units, which ...


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Hiroki Kitamura, Yoshiyuki Akiba, Tsutomu Takata, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Kenzo Tojima, Takaaki Nagaoka: Image forming system. Canon Kabushiki Kaisha, Canon Usa Intellectual Property Division, June 21, 2007: US20070139664-A1

An image forming system includes an information processing apparatus and an image forming apparatus. The information processing apparatus performs image generation, color conversion, and extraction of image characteristics to generate compressed data. The image forming apparatus decompresses the com ...


9
Tsutomu Takata, Hiroki Kitamura, Yoshiyuki Akiba, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Kenzo Tojima, Takaaki Nagaoka: Image forming apparatus and its control method. Canon Kabushi Kaisha, Fitzpatrick Cella Harper & Scinto, June 8, 2006: US20060119895-A1

With this invention, color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing generation of moiré d ...


10
Tsutomu Takata, Hiroki Kitamura, Yoshiyuki Akiba, Shuichi Nakamura, Yusuke Yamamoto, Masanao Motoyama, Takeshi Akiyama, Kenzo Tojima, Takaaki Nagaoka: Image forming apparatus and its control method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 2, 2010: US20100220342-A1

With this invention, color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing generation of moiré d ...