1
Nobuatsu Sasanuma, Koji Amemiya, Tatsuo Takeuchi, Takao Ogata: Image processing method and apparatus with gamma-correction control. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 2, 1993: US05258783 (27 worldwide citation)

An image processing apparatus, which improves the image quality in gradation control, measures the density of a specified gradation pattern formed on a photosensitive drum with a photosensor and prepares a look-up table for gamma correction, based on thus measured density. Formation of a pseudo-cont ...


2
Hiroshi Satomura, Tatsuo Takeuchi, Hidemi Egami, Yukio Nagase, Nagao Hosono: Image recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, June 23, 1987: US04674857 (23 worldwide citation)

An image recording apparatus includes a rotatable transfer member and a plurality of latent image bearing members which are in rolling press-contact with the transfer member at different positions. Around the latent image bearing members, are provided latent image forming devices and devices for dev ...


3
Tatsuo Takeuchi, Koji Amemiya, Takao Ogata, Nobuatsu Sasanuma: Toner image density detecting mechanism for image forming apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 12, 1993: US05253018 (22 worldwide citation)

The present invention relates to a toner image density detecting mechanism for an image forming apparatus which includes an image bearing layer supported on a rotatable cylindrical member, a device for forming a plurality of toner reference patterns on the image bearing layer at respective positions ...


4
Hiroshi Satomura, Takeshi Honjo, Takashi Saito, Tatsuo Takeuchi, Tadashi Ishikawa, Masataka Naito, Sachiko Naito, Masanori Yamada: Image reading apparatus including means for accurately determining the location of read image information. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 15, 1988: US04731668 (21 worldwide citation)

An image reading apparatus comprises, in a preferred embodiment, LEDs and image sensors for reading image and location information of an original, another LED and a photo sensor for generating a read start clock, memories for storing the image and location information read by the image sensors in on ...


5
Akira Watanabe, Tatsuo Takeuchi, Kenichiro Waki, Yasushi Miura, Takeo Tsunemi: Image forming device having an electrically dielectric regulating member conductive transfer member and a disposed at a transfer station thereof. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 28, 1993: US05249022 (20 worldwide citation)

The present invention provides an image forming apparatus including an image bearing member; image forming devices for forming a toner image on the image bearing member, the average volume particle diameter of the toner being 3-10 .mu.m; a movable transfer sheet bearing member for bearing a transfer ...


6
Akio Suzuki, Masayoshi Takahashi, Yoshinobu Shimomura, Tatsuo Takeuchi, Yoshihiro Takada, Mamoru Sakaki, Masato Katayama: Printing paper and method of image formation employing the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 15, 1997: US05620793 (19 worldwide citation)

A printing paper is provided which is neutral paper as the base paper comprising an ink-penetration retarder on a printing face to retard penetration of liquid ink containing a nitrogen compound, a substance as an internal additive of the paper to absorb ammonia or an ammonium ion released from the ...


7
Takeshi Menjo, Masaaki Sakurai, Tatsuo Takeuchi, Yasuo Nami: Fixing rotating member coated with an elastic layer and an offset prevention layer with a predetermined oil absorption rate. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 17, 1991: US05049943 (19 worldwide citation)

A fixing device includes a fixing rotating member for grasping and conveying a recording material supporting an unfixed image, and a coating means for coating release oil on the fixing rotating member.


8
Yutaka Inaba, Hiroshi Satomura, Yukio Nagase, Tatsuo Takeuchi, Hidemi Egami, Akihito Hosaka: Electrostatic recording method and apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 29, 1987: US04697196 (19 worldwide citation)

An electrostatic recording apparatus includes a recording member having a surface on which an electrostatic latent image is formed; a recording head, to effect discharging to produce the ions; first bias voltage source for applying a bias voltage to the second electrode; second bias voltage source f ...


9
Shuzo Kaneko, Tatsuo Takeuchi, Tsutomu Toyono, Tohru Takahashi, Nagao Hosono, Fumitaka Kan, Akihiko Tojo, Takayoshi Tsutsumi, Ryo Fujimoto, Yoshiro Udagawa: Image recording and/or reproducing apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 22, 1988: US04786971 (18 worldwide citation)

An image recording and/or reproducing apparatus including a recording unit having a recording driving mechanism for recording a plurality of images in the form of electrostatic pattern on different regions of a photosensitive member, a reading unit having a beam source and capable of scanning the ph ...


10
Tatsuo Takeuchi, Koji Amemiya: Transparent film and color image forming method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 20, 1993: US05229188 (14 worldwide citation)

A transparent laminate film, including at least a first transparent resin layer comprising a transparent resin having a heat-resistance, and a second transparent resin layer disposed thereon comprising a transparent resin, wherein the transparent resin of the second transparent resin layer has a com ...