1
Yoshihide Fujimaki, Shigeki Takenouchi: Photoreceptor. Konica Corporation, Finnegan Henderson Farabow Garrett and Dunner, February 6, 1990: US04898799 (62 worldwide citation)

A photoreceptor for electrophotography containing a titanyl phthalocyanine compound which has major peaks in terms of Bragg's 2.theta. angle to the CuK.alpha. characteristic X-ray (wavelength at 1.541 .ANG.) at least at 9.4.+-.0.2 degrees, 11.7.+-.0.2 degrees, 11.7.+-.0.2 degrees, 15.0.+-.0.2 degree ...


2
Shigeki Takenouchi, Kazuhiko Sato: Image forming apparatus having transfer roller and separation brush. Konica Corporation, Jordan B Bierman Muserlian and Lucas Bierman, May 27, 1997: US05633703 (22 worldwide citation)

An image forming apparatus has a photoreceptor which has a radius of curvature of more than 35 mm at a transfer position or a separation position, a transfer roller provided at the transfer position where the transfer roller faces the photoreceptor, a transfer power supply source to supply a predete ...


3
Katsumi Matsuura, Shigeki Takenouchi: Electrophotographic image forming method. Konica Corporation, Jordan B Bierman Muserlian and Lucas Bierman, August 25, 1998: US05798200 (20 worldwide citation)

A method for forming plural images by repeating a process is disclosed. The method comprises the steps of (1) forming an electrostatic latent image on an organic photoreceptor, (2) developing the electrostatic latent image formed on the organic photoreceptor with a toner particles each of which cont ...


4
Shigeki Takenouchi, Masao Asano, Tomoe Kitani: Image forming apparatus and image forming method. Konica Minolta Business Technologies, Cantor Colburn, October 24, 2006: US07127201 (13 worldwide citation)

An image forming apparatus comprising a plurality of image forming units, an intermediate transfer member, and an intermediate transfer member cleaning device to remove toner remaining the intermediate transfer member with plural cleaning blades, wherein each color toner used in the developing devic ...


5
Kazuhiko Sato, Shigeki Takenouchi: Color image forming apparatus having bias controller for cleaning transfer roller. Konica Corporation, Frishauf Holtz Goodman Langer & Chick P C, November 18, 1997: US05689771 (11 worldwide citation)

A color toner image forming apparatus comprises a transferring roller having an average cell diameter of 1 .mu.m to 300 .mu.m to transfer a toner image from a photoreceptor drum to a sheet. During the transferring operation, the electric bias member applies onto the transferring roller an opposite e ...


6
Masao Asano, Hiroshi Yamazaki, Shigeki Takenouchi, Akihiko Itami, Satoshi Uchino: Image forming method and image forming apparatus. Konica Corporation, Muserlian Lucas and Mercanti, April 4, 2006: US07022450 (8 worldwide citation)

An electrophotographic image forming method is disclosed. A latent image on a photoreceptor is developed to form a toner image on the photoreceptor by a developer and the toner image is transferred to a recording material or an intermediate transfer element, and the developing and the transferring a ...


7
Shigeki Takenouchi, Akira Hirano, Shiori Saito, Yoshihide Fujimaki: Electrophotographic photoreceptor for negative electrification. Konica Corporation, Jordan B Bierman, May 15, 1990: US04925757 (7 worldwide citation)

An electrophotographic photoreceptor useful for negative electrification is disclosed. The photoreceptor comprises on an electroconductive substrate, a photo-sensitive layer containing a compound represented by general formula [A]: ##STR1## wherein, R.sub.1 represents a hydrogen atom or a substituen ...


8
Toshinori Yamazaki, Tatsuo Nakanishi, Yuji Marukawa, Shigeki Takenouchi, Hiroyuki Nomori: Photoreceptor having amorphous silicon layers. Konishiroku Photo, Frishauf Holtz Goodman & Woodward, June 16, 1987: US04673629 (7 worldwide citation)

A photoreceptor comprising a support bearing thereon a charge transport layer comprising one selected from the group consisting of a--SiC:H, a--SiC:F and a--SiC:H:F, a charge generating layer comprising one selected from the group consisting of a--SiH, a--SiF and a SiH:F, an a--Si type surface modif ...


9
Okushi Okuyama, Eiichi Sakai, Shigeki Takenouchi, Tatsuya Nagase, Yukio Hosoya: Image display device. Konica Minolta Business Technologies, Lucas & Mercanti, April 6, 2010: US07692846 (3 worldwide citation)

Disclosed is an image display device comprising: (i) a pair of substrates facing each other, provided that one of the substrates is transparent; and (ii) charged particles placed in a gap between the substrates, wherein each of the substrates has a layer containing a compound having a silicone struc ...


10
Akihiko Itami, Shigeki Takenouchi, Satoshi Uchino: Organic photoreceptor, an image forming method, an image forming apparatus and a process cartridge. Konica Minolta Business Technologies, Lucas & Mercanti, October 23, 2007: US07285366 (2 worldwide citation)

An organic photoreceptor for an electro-photography, comprising a conductive support member and at least a light sensitive layer, an comprising a toner image forming surface of the photoreceptor having a surface roughness Ra between 0.02 μm and 0.1 μm and a surface roughness Rz between 0.1 μm and 1 ...