Ricoh Company, Ltd.

Nekka Matsuura

Yasuyuki Shinkai

Takanori Yano

Toshio Miyazawa

Takayuki Nishimura

Junichi Hara

Hiroyuki Sakuyama

Yasuyuki Nomizu

Taku Kodama

Takahiro Yagishita

Yasushi Nakazato

Hisashi Shoji

Yukiko Yamazaki

Yoshinori Nakagawa

Satoshi Ouchi

Shuji Hirai

Katsuaki Miyawaki

Osamu Satoh

Masaaki Yamada

Seiji Hoshino

Takahiko Tokumasu

Hiroshi Nakai

Takashi Seto

Nozomu Tamoto

Nobuyuki Yanagawa

Nobutaka Takeuchi

Yasuo Suzuki

Kohichi Ohshima

Kazuhiko Watanabe

Kazumi Suzuki

Tomoko Takahashi

Satoru Tomita

Kazuhito Watanabe

Yuichiro Kanoshima

Kohji Ichimiya

Mamoru Kiyota

Kenji Sugiura

Hitoshi Shimizu

Satoshi Muramatsu

Kiyoshi Sakai

Tsukuru Kai

Masanori Saitoh

Kei Yasutomi

Hirokatsu Suzuki

Atsushi Shinozaki

Noboru Tsukude

Hiroshi Ishii

Hiroyuki Takahashi

Tetsuro Suzuki

Noriyoshi Tarumi

Toyoshi Sawada

Keiichi Suzuki

Makoto Obu

Hiroshi Ikuno

Masanori Saito

Tetsuo Yamanaka

Akihisa Itabashi

Naoya Morohoshi

Katsuhiro Aoki

Masahiko Shakuto

Ichiro Kadota

Takashi Maki

Yoshinobu Takeyama

Masaki Yoshino

Eiichi Ohta

Akihiro Kaneko

Yuji Kawamata

Katsuichi Ohta

Hiroyuki Shibaki

Daichi Yamaguchi

Hiromi Okubo

Takeo Yamaguchi

Ikuko Yamashiro

Akio Matsubara

Akio Kutsuwada

Shogo Oneda

Yukio Tabata

Minoru Ameyama

Satoshi Igari

Masaharu Iida

Motohiro Usami

Kazahiko Watanabe

Konosuke Maruyama

An information processing apparatus includes a first image receiver configured to receive, from an imaging apparatus, a first image capturing a first user using a first electronic device; a first user identifier configured to identify the first user who used the first electronic device based on usage information and the first image; an input information receiver configured to receive, from the first electronic device, authentication information input to the first electronic device by the first user; a second image receiver configured to receive, from the imaging apparatus, a second image capturing a second user existing at an operable position of a second electronic device; a second user identifier configured to identify the second user based on the second image; and an operation instructor configured to transmit, to the second electronic device, the authentication information, based on information relating to the identified first and second users and the authentication information.

Information processing apparatus and information processing system identifying first user of first electronic device and second user of second electronic device to transmit information

An information processing apparatus includes a first image receiver configured to receive a first image captured by an imaging apparatus in which a user of an electronic device and the electronic device are captured; a first user identifier configured to identify a first user from the first image; a usage information receiver configured to receive, from the electronic device, usage information based on an operation of the first user identified by the first user identifier; a second image receiver configured to receive a second image captured by the imaging apparatus in which a settlement apparatus and a second user capable of using the settlement apparatus are captured; a second user identifier configured to identify the second user from the second image; and a usage information transmitter configured to transmit the usage information to the settlement apparatus, based on the identified first user and the identified second user.

Information processing apparatus, information processing system, fee management method, and recording medium that transmits usage fee in response to detecting that first and second users belong to a same group

Printed matter is provided which includes a recording medium, a colored layer overlying the recording medium, and an infrared-absorbing-pigment-containing layer overlying the recording medium and underlying the colored layer. The colored layer contains a colorant. The infrared-absorbing-pigment-containing layer contains an infrared absorbing pigment having an average diameter of from 120 to 250 nm in the infrared-absorbing-pigment-containing layer.

Printed matter, infrared-absorbing-pigment-containing toner, tonner set, image forming method, and image forming apparatus

An image forming apparatus includes a replaceable image formation unit. The image forming apparatus includes an input device for inputting a signal representing occurrence of abnormality in one of an output image and the image forming apparatus recognized by an operator, a unit specifying device for specifying an image formation unit to be replaced for resolving the abnormality upon receiving the signal, and a notification device for notifying information related to the replacement unit based on the unit specification result.

Image forming apparatus and control system

An abnormality determining apparatus includes an information storing device that stores information, an information obtaining device that obtains information of a detection subject, a receiving device that receives abnormality presence/absence information indicative of the presence or absence of an abnormality in the detection subject detected by a user, a normal group data set constructing device that constructs a normal group data set that is a collection of normal data indicating that the detection subject is in a normal state based on the abnormality presence/absence information received by the receiving device and based on the information obtained by the information obtaining device during a preset period, and a determining device that determines the presence or absence of an abnormality in the detection subject by performing calculations based on the normal group data set stored in the information storing device and based on the information obtained by the information obtaining device.

Abnormality determining apparatus, image forming apparatus including the abnormality determining apparatus, and abnormality determining method

A time point at which a predetermined period elapses since the start of use of a copying machine as a detection subject after factory shipment or repair is obtained. Pieces of set information, which are combinations of various types of information until the time point is reached are sequentially stored to construct a normal set information group. After the time point is reached, presence of abnormality in the copying machine is determined based on the normal set information group and the various types of information obtained.

Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining method

An image processing apparatus hierarchically compresses and codes image data by subjecting pixel values of the image data to a discrete wavelet transform, quantization and coding for each of one or a plurality of rectangular regions into which the image data is divided. The image processing apparatus includes a hierarchical coding unit to compress and code the image data in a state where the image data is divided for each hierarchical layer, to obtain compressed codes, and a distributively storing unit to distributively store the compressed codes that are divided for each hierarchical layer by the hierarchical coding unit.

Hierarchically compressing and coding and storing image data

An apparatus for coding and decoding includes a decoding unit which decodes compressed and coded data to restore original image data, a storing unit which stores additional information other than the image data in memory, and a coding unit which encodes at least a portion of the additional information stored in said memory as information additional to the image data when performing second-time encoding of the image data decoded by said decoding unit.

Coding and decoding of image data with additional information

In a state deciding apparatus, an information acquiring unit acquires pieces of information of different types related to a state of an image forming apparatus. An index value calculating unit calculates an index value based on the pieces of information acquired. A state change deciding unit decides a change in a subsequent state of the image forming apparatus, based on a temporal change in the index value calculated.

Abnormal state occurrence predicting method, state deciding apparatus, and image forming system

An apparatus for generating codes includes a quantization unit which generates quantization coefficients by performing discrete wavelet transform with respect to each of tiles into which an image is divided, a block division unit which divides the quantization coefficients into blocks, a Hash conversion unit which performs Hash conversion based on the quantization coefficients of each of the blocks so as to produce a Hash value for each of the blocks, a digital watermark embedding unit which adjusts a parity of a quantization coefficient of interest equal to a parity of the Hash value of a block to which the quantization coefficient of interest belongs, and a coding unit which generates code sequence data by coding the quantization coefficients including the quantization coefficient whose parity is adjusted.

Digital watermarking which allows tampering to be detected on a block-specific basis

A disclosed image carrier toner unit includes: an image carrier; a supporting member configured to be integrated with the image carrier, the supporting member supporting the image carrier; and a toner storage unit configured to be integrated with the supporting member, the toner storage unit storing toner for developing a latent image on the image carrier as a visible image, wherein the image carrier toner unit is detachably attached to a device on which the image carrier toner unit is installed.

Image carrier toner unit and image forming apparatus

An image processing apparatus comprises a compression coding unit that performs compression coding of image data according to JPEG2000 algorithm. A coding style selection unit selectively activates coding functions of the compression coding unit in response to a discriminating signal, so that the active coding functions of the compression coding unit are suited to characteristics of the image data.

Image processing apparatus, image processing program, and storage medium

An image formation apparatus and process cartridge exhibiting high durability, in which such disadvantages as irregular recovery of untransferred toner and the advance of carrier degradation are not produced even when jointly using a trickle development system and a cleanerless system, comprising an image support member on which a latent image is formed; a developing unit that houses developer having carrier and toner, develops the latent image formed on the image support member, and recovers untransferred toner remaining on the image support member; a carrier supply unit that supplies carrier to the developing unit; carrier discharge means that discharges carrier housed in the developing unit to outside of the developing unit; and lubricant supply means that supplies lubricant onto the image support member.

Image formation apparatus and process cartridge including a trickle development system and a cleanerless system

A code stream generating part converts image data into two-dimensional wavelet coefficients, quantizes the same and coding the quantization result so as to compress the image data and generate a code stream. An additional information creating part creates additional information concerning the image data, and an additional information embedding part embeds the thus-created additional information into the code stream as a code in an off-rule zone which is not decoded by a JPEG 2000 standard rule.

Image processing apparatus, image compressing apparatus, image decompressing apparatus, image processing method, image compressing method, image decompressing method, information processing apparatus, information processing method, program and recording medium

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Kanagawa, Japan

Nekka Matsuura