Hitachi, Ltd.

Nichia Corporation

Tokyo Institute of Technology

Nissan Motor Company Limited

Fujitsu Corporation

Jai Corporation

Hiroaki Takahashi

Takashi Furuhata

Masakazu Hamaguchi

Atsuo Michiue

Tomonori Morizumi

Takefumi Sumitomo

Akihiro Tokai

Takashi Takeuchi

Nobuo Azuma

Takanori Fukushima

Yoshiaki Shoji

Takao Arai

Hitoshi Akiyama

Hirofumi Shimizu

Katsumi Takeda

Toshiyuki Oda

Tomochika Yamashita

Zenji Okabayashi

Mari Yamamoto

Akihiro Katakami

Masayuki Inoue

Takaharu Noguchi

Nobutaka Amada

Yoshizumi Watatani

Masaharu Kobayashi

Shigeru Yamazaki

Kazutaka Naka

Kouji Kamogawa

Manabu Katsuki

Yasufumi Yumde

Masahiro Miyashita

Takami Hasegawa

Yasuhiro Yakushiji

Isao Saito

Masami Nishida

Kazuhiro Hayashi

Michio Masuno

Tomoki Kawamura

Masashi Ohki

Yukari Matsubara

Kenji Kakinoki

Masahito Kumakura

Hiroki Katoh

Provided is a method for producing an electrode active material capable of forming a non-aqueous secondary battery with superior durability and output characteristics. The method for producing an electrode active material for a non-aqueous secondary battery includes contacting a carbon material containing at least one selected from the group consisting of graphene, a carbon nanotube and carbon black with a one-electron oxidant having an oxidation-reduction potential of 0.2 V or more and 1.9 V or less to obtain at least one modified carbon material, and contacting the at least one modified carbon material with alkali-metal-transition-metal composite oxide particles.

Electrode active material for non-aqueous secondary battery comprising carbon material modified with one-electron oxidant and method for producing the same

Provided is a method for producing an electrode active material capable of forming a non-aqueous secondary battery with superior durability and output characteristics. The method for producing an electrode active material for a non-aqueous secondary battery includes contacting a dispersion containing graphene and a dispersion medium with alkali-metal-transition-metal composite oxide particles, and the dispersion has a dispersibility index of 0.25 or more.

Method for producing electrode active material for non-aqueous secondary battery

An electrode active material for a nonaqueous secondary battery comprising: an alkali metal-transition metal composite oxide particles, a hole-doped graphene with an anion. The electrode active material for a nonaqueous secondary battery may be manufactured by a method which includes obtaining a hole-doped graphene by bringing a graphene raw material into contact with a two-coordinate boron cation, and bringing the hole-doped graphene into contact with an alkali metal-transition metal composite oxide particle.

Electrode active material for nonaqueous secondary battery, and method for manufacturing same

Provided are an spcarbon-containing composition that is highly conductive and that excels in the stability of conductivity over time, a method of manufacturing the sp.sup.2 carbon-containing composition, and a method of peeling graphite to obtain a graphene-containing composition. Further provided are a graphene quantum dot-containing composition and a method of manufacturing the graphene quantum dot-containing composition that provides an improvement in the productivity and the manufacturing cost. A method of manufacturing an spcarbon-containing composition according to the present disclosure includes a contact step of bringing a two-coordinate boron cation salt into contact with an sp.sup.2 carbon. Preferable examples of the two-coordinate boron cation include one expressed by the following formula (1). R&#x2014;B&#x2014;RFormula (1) [In the formula, R.sup.1 and R.sup.2 are each independently a compound selected from the group consisting of a phenyl group, a mesityl group, 1,5-dimethylphenyl group, 1,3,5-triisopropylphenyl group, 1,5-diisopropylphenyl group, 1,3,5-tris(trifluoromethyl)phenyl group, and 1,5-bis(trifluoromethyl)phenyl group.]

SPcarbon-containing composition, graphene quantum dot-containing composition, methods of manufacturing thereof, and method of peeling graphite

A mail processing server includes a storage unit and a computation unit. The storage unit stores operation log data recording operations that a plurality of users performed on received email messages. Upon detection of a target email message addressed to a plurality of destination users, the computation unit produces priority data that describes priorities of individual destination users specified in the target email message, based on the operation log data in the storage unit.

Server and method for processing email messages

A motor control unit is obtained by integrating an inverter unit and a motor unit having a motor, the inverter unit having a control board erected on a support board.

Motor control unit having integrated inverter unit

An electric unit is attached to a power unit including a motor-generator, the power unit being disposed in a power unit mounting chamber that is formed at a front of a vehicle and separated from a vehicle cabin by a partition wall. The electric unit includes: a high-voltage component including an electric power conversion device of a relatively high voltage, the electric power conversion device converting an electric power between a DC electric power and an AC electric power for the motor-generator; and a low-voltage component including a control device of a relatively low voltage, the control device controlling the electric power conversion device. The high-voltage component and the low-voltage component are accommodated in an accommodation case. Inside the accommodation case, the high-voltage component is arranged toward the front of the vehicle, and the low-voltage component is arranged toward a rear of the vehicle.

Electric unit

Provided is a monitoring camera apparatus that can pick up, when an image of a signal lamp of a traffic signal is picked up by a monitoring camera at night, an image of an image pickup region other than the signal lamp bright without saturating a red signal lamp. The monitoring camera apparatus includes signal controlling means including RGB ratio detecting means for detecting lighting, lighting/extinguishing times, the shape and the number, or signal lamp control signals of signal lamps of a traffic signal in the image pickup region and detecting ratios of RGB signals of the signal lamps, gain controlling means for controlling a gain of the RGB signals, and color mixture controlling means for controlling color mixtures of respective signal lamp colors. The signal controlling means detects ratios of RGB signal levels on the basis of lighting, lighting/extinguishing times, the shape and the number, or signal lamp control signals of respective signal lamps of green, yellow, and red, specifies the signal lamps as a red signal lighting region of a red signal lamp if R&#x3e;G&#x2248;B, attenuates GB signals or reduces the GB signals to zero and reduces color mixture in the color signal lighting region with the color mixture controlling means, and makes it possible to display lighting of the red signal lamp as a red color on a monitor.

Monitoring camera apparatus

A nitride semiconductor laser element includes a nitride semiconductor layer of a first conduction type, an active layer, and a nitride semiconductor layer of a second conduction type that is different from the first conduction type are laminated in that order, a cavity end face formed by the nitride semiconductor layers, and a protective film formed on the cavity end face. The nitride semiconductor layers of the first and second conduction types have layers containing Al, and the active layer has layer containing In. The protective film has a region in which an axial orientation of crystals is the same as that of the cavity end face on the nitride semiconductor layers of the first and second conduction types, and has another region in which an axial orientation of crystals is different from that of the cavity end face on the active layer.

Nitride semiconductor laser element

A nitride semiconductor laser element has a first nitride semiconductor layer, an active layer, a second nitride semiconductor layer, and a first protective film in contact with a cavity end face of the nitride semiconductor layer, wherein the first protective film in contact with at least the active layer of the cavity end face has a region thinner than the maximum thickness of the first protective film.

A nitride semiconductor laser element, comprises; nitride semiconductor layers in which a nitride semiconductor layer of a first conduction type, an active layer, and a nitride semiconductor layer of a second conduction type that is different from the first conduction type are laminated in that order; a cavity end face formed by the nitride semiconductor layers; and a protective film formed on the cavity end face, the protective film has a region in which an axial orientation of crystals is different in the direction of lamination of the nitride semiconductor layers.

The present invention provides a nitride semiconductor laser element, comprising: a nitride semiconductor structure having a first nitride semiconductor layer, a second nitride semiconductor layer, and an active layer provided between the first and second nitride semiconductor layers; a cavity end face provided to the nitride semiconductor structure; and a protective film having a hexagonal crystal structure, and having a first region provided on a first crystal surface of the nitride semiconductor structure in the cavity end face and a second region provided on a second crystal surface in the surface of at least one of the first and second nitride semiconductor layer, the first and second regions of the protective film are oriented in the same axial direction as that of the respective first and second crystal surfaces.

A nitride semiconductor laser element comprises; a nitride semiconductor layer that includes a first nitride semiconductor layer, an active layer, and a second nitride semiconductor layer, and that has a cavity with end faces, and a protective film formed on at least one end face of the cavity, wherein the protective film is formed of a first film with a crystal structure that has the same axial orientation as that of the nitride semiconductor layer constituting the end face of the cavity, and a second film with a crystal structure that has a different axial orientation from that of the first film, in this order from the side of the end face.

A video signal recording and/or reproducing apparatus which is capable of recording and/or reproducing both high definition and standard television signals is disclosed. Accordingly, video signals of two systems such as the high definition and standard television signals can be recorded and/or reproduced by a single apparatus. The standard television signal is reproduced as a video signal having a high picture quality in a format similar to that of the high definition television signal. Even if the video signal to be recorded is the standard television signal, a reproduced picture having a higher picture quality than that of the standard television signal and having no distortion due to a difference in aspect ratios between the high definition and standard television signals can be provided.

Video signal recording and/or reproducing apparatus for recording and/or

Growing community of inventors

Yokohama, Japan

Hiroaki Takahashi