Ricoh Company, Ltd.

Japan Tobacco Inc.

Osaka University

Susumu Miyazaki

Takeshi Shikama

Tetsuo Inui

Koichi A Ono

Tatsuya Miyadera

Hideo Tanaka

Takayuki Andoh

Yasunobu Youda

Motohiro Kawanabe

Yohei Osanai

Tatsuaki Nagano

Satoshi Narai

Toshiyuki Horikawa

Daisuke Imaki

Takuji Kawai

Shingo Shiramura

Yuki Fujii

Izumi Kinoshita

Takuhei Yokoyama

Hirotaka Isoshima

Kengo Oshita

Seiji Kawashita

Kaoru Adachi

Yasuo Yamaguchi

Hiroaki Ikeda

Yoshinori Shirasaki

Masayuki Hayashi

Kunihiro Komai

Tomoyuki Yoshida

Masaki Mori

Yuichiro Doki

Wataru Watanabe

Kenichi Nagai

Yuji Matsuzaki

Keita Yoshikawa

Fuminori Tsuchiya

Shuichi Wamaki

Susumu Katoh

Yutaka Aso

Akinobu Nakamura

Kazunobu Yamataka

Norikatsu Miyoshi

Masahiro Tanemura

Satoru Kobayashi

Hideshi Ishii

Naotsugu Haraguchi

Shinichi Kiyonari

Yoshiaki Omura

Masakazu Terashita

Hiromitsu Hoshino

Shigefumi Imoto

Noboru Nagahashi

Yuki Bessho

Shunichi Fukuda

An image reading device including a contact glass; a reading unit; a pressure plate; a pressure-plate opening/closing sensor; and circuitry. The circuitry determines a presence or absence of external light input to a space between the pressure plate and the surface of the contact glass based on image data obtained by the reading unit when the light source is turned off; compares read data according to light emitted from the light source and received by the image sensor when the pressure plate is closed, with read data of a reference value obtained when the pressure plate is completely closed, to obtain a difference and determine a state of the read data based on the difference; and determines whether the pressure plate is open or closed based on a determination result of the presence or absence of external light and on the difference.

Image reading device, pressure plate opening/closing detection method, and image forming apparatus

An image-reading unit includes an original document conveyor that includes a first original document tray to hold an original document to be read, a first original document feeding port to feed the original document placed on the first original document tray, and an original document conveying path to convey the original document from the first original document feeding port to an original document discharging port. The original document conveyor further includes an openable second original document tray attached near an intermediate portion of the original document conveying path to hold an original document when opened, and a second original document feeding port to feed the original document on the second original document tray. The image-reading unit further includes an image reader to read an image of the original document being conveyed along the original document conveying path.

Image reading unit

An image reading device includes: a reading unit; a first detecting unit that detects a position of the reading unit in the sub-scanning direction; a second detecting unit that detects a position of the reading unit in the sub-scanning direction; and a calculating unit that calculates a skew quantity and a skew direction of the reading unit, based on a difference, introduced by the skew, between a travel distance by which the reading unit has travelled from a measurement reference position located on an upstream side of the first detecting unit and the second detecting unit in a moving direction to a point where the reading unit is detected by the first detecting unit, and a travel distance by which the reading unit has travelled from the measurement reference position to a point where the reading unit is detected by the second detecting unit.

Image reading device, method and non-transitory computer-readable medium for detecting moving image reader positions to correct skew

Provided is a substituted spiropyrido[1,2-a]pyrazine derivative or a pharmaceutically acceptable salt thereof, which is useful as an anti-HIV agent. The present invention relates to a compound represented by the following formula [I] or [II] or a pharmaceutically acceptable salt thereof: wherein each symbol is as defined in the specification.

Substituted spiropyrido[1,2-a]pyrazine derivative and medicinal use thereof as HIV integrase inhibitor

[Problem] Provided is a novel 1,3,4,8-tetrahydro-2H-pyrido[1,2-a]pyrazine derivative or a pharmaceutically acceptable salt thereof, or a solvate thereof, which is useful as an anti-HIV agent. [Solving Means] The present invention provides a compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, or a solvate thereof.

Substituted thiazoles as HIV integrase inhibitors

An image reading device includes a first unit to read one surface of a document in a first area facing a document path, a second unit disposed in the first area to read the other surface of the document, a first reference member facing the first unit at a first distance therefrom at a second position in a second area not facing the path, a second reference member facing the first unit at a second distance therefrom at a first position in the first area, a third reference member facing the second unit at the second distance therefrom, and a correction unit to correct, based on a difference between first data generated through reading of the first member by the first unit and second data generated through reading of the second member by the first unit, third data generated through reading of the third member by the second unit.

Image reading device, image forming apparatus, and shading data processing method

An automatic document feeder that is included in an image reader of an image forming apparatus includes a sheet conveying roller, a document feeder cover, a projection piece, a motor, a driving side gear, and a driving force transmission device including an idler gear, a driving force release gear, a slide body, a first elastic body to bias the idler gear and the driving force release gear to be separated, a second elastic body to bias the driving force release gear and the slide body to be separated, and a drive shaft. The driving force transmission device meshes the driving and driven side meshing portions together with a biasing force applied by the second elastic body when the document feeder cover is closed, and releases the driving and driven side meshing portions with a biasing force applied by the first elastic body when the document feeder cover is opened.

Automatic document feeder, image reading device incorporating the automatic document feeder, and image forming apparatus incorporating the image reading device

Disclosed is a power supply including a first voltage generating unit that generates a first voltage from an external power supply; a second voltage generating unit that generates a first predetermined voltage and supplies the generated first predetermined voltage to the load; a third voltage generating unit that generates the first predetermined voltage and supplies the generated first predetermined voltage to the load; and a controller that causes the first voltage to be greater than or equal to a second voltage during a first mode, and causes the first voltage to be less than the second voltage during a second mode. During the first mode, the power is supplied from the second voltage generating unit and the third voltage generating unit to the load, and during the second mode, the power is supplied from the third voltage generating unit to the load.

Power supply, image forming device, and power supply method

A major object of the present invention is to provide a method for producing induced pluripotent stem cells with low tumorigenesis potential and high induction efficiency. The invention provides a method for producing induced pluripotent stem cells comprising the step of introducing one or more nucleic acids that facilitate expression of at least one gene selected from the group consisting of NANOG, SOX2, OCT3/4, KLF4, LIN28, and c-MYC into somatic cells.

Method for producing induced pluripotent stem cells

An image forming apparatus performs pseudo gradation processing using dithering, and includes an image carrier; a plurality of light-emitting element arrays arranged in a main-scanning direction and including a plurality of light-emitting elements; an image forming unit performing lighting control of the arrays and forming a pattern image on the image carrier; a detecting unit detecting a density of the pattern image; a position detecting unit detecting a position in the main-scanning direction of the detecting unit with respect to the light-emitting element arrays; a determining unit that, based on the detected position, determines whether the detecting unit is positioned at a proper detection position with respect to the pattern image on which noise has no effect; and an operation control unit that, when the detecting unit is positioned at the proper detection position, performs an image density detection operation on the pattern image using the detecting unit.

Image forming apparatus and image density detecting method

An image forming apparatus includes plural image forming units of plural colors, each including a print head including plural LED chips aligned in a main scanning direction; a screen angle selecting unit that selects screen angles for the plural colors respectively based on the amounts of skew of the plural image forming units; an image processing unit that performs image processing on input data to be expressed by pixels of the plural colors such that the pixels of the colors have the corresponding screen angles selected by the screen angle selecting unit; a correction amount determining unit that determines a total amount of skew correction based on the amount of skew detected by the skew detection unit, and determines the amounts of skew correction in the sub-scanning direction for predetermined groups of the pixels, based on the total amount of skew correction, for each of the colors.

Method of compensating for errors caused by a print head using skew correction

An optical writing device stores pieces of dithering information indicating dithering patterns whose densities are different, each piece of dithering information including pieces of identification information associated with pixels of the corresponding dithering pattern, and stores pieces of pixel setting information in which pieces of colored/colorless information indicating each of the pixels is colored or colorless are associated with the pieces of identification information, the pieces of colored/colorless information being set based on a resolution of a light source for forming an electrostatic latent image. The optical writing device also includes a control unit configured to arrange the same dithering patterns in a way that the dithering patterns form a pattern with a given size, and cause the light source to emit light based on information generated by setting the pixels of each of the same dithering patterns to be colored or colorless in accordance with the pixel setting information.

Optical writing device, image forming apparatus, optical writing method, and computer-readable recording medium

The present invention relates to a nitrogen-containing fused ring compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, and an anti-HIV agent containing such compound. The compound of the present invention has an HIV integrase inhibitory activity, and is useful as an agent for the prophylaxis or treatment of AIDS, or as an anti-HIV agent. In addition, by the combined use with other anti-HIV agents such as a protease inhibitor, a reverse transcriptase inhibitor and the like, it can be a more effective anti-HIV agent. Because it shows integrase-specific high inhibitory activity, the compound can be a pharmaceutical agent safe on human body, which causes only a fewer side effects.

Nitrogen-containing fused ring compound and use thereof as HIV integrase inhibitor

Growing community of inventors

Osaka, Japan

Susumu Miyazaki