Sharp Kabushiki Kaisha Corporation

Sharp Corporation

Panasonic Intellectual Property Management Co., Ltd.

Dai-ichi Kogyo Seiyaku Co., Ltd.

Denso Corporation

Lg Chem, Ltd

Osaka Gas Company Limited

Naoto Nishimura

Takehito Mitate

Kazuo Yamada

Naoto Torata

Motoaki Nishijima

Tetsuya Yoneda

Yoshihiro Tsukuda

Kazunari Takeda

Tsutomu Sada

Yumiko Takashima

Kazuaki Minato

Tomohisa Yoshie

Atsushi Fukui

Hiroshi Okamoto

Satoshi Okano

Shumpei Nishinaka

Akimasa Umemoto

Daisuke Toyoshima

Isamu Izuhara

Takahiro Matsuyama

Shougo Esaki

Kazuya Sakashita

Tsutomu Takatera

Kei Kasahara

Naoki Ueda

Akihito Yoshida

Hirotaka Mizuhata

Yuki Watanabe

Hiroshi Ueshima

Yoshiteru Nakagawa

Satoshi Arima

Yuichi Kamimura

Isao Asako

Takuya Ootani

Koichi Ui

Hiroaki Matsuyoshi

Shinsuke Kobayashi

Yutaro Sonoyama

Kouichi Ui

Masako Kitagawa

Hiromi Fujiwara

Masamitsu Katsuura

Koichi Morita

Masako Matsuda

Tsutomu C/O Pionics Co Ltd Sada

Yumiko C/O Pionics Co Ltd Yokota

Kazunari C/O Pionics Co Ltd Takeda

An imaging optical system includes: a first lens having negative power and having a concave image-side surface; a second lens having power; a third lens having positive power; a fourth lens having power; and a fifth lens having power. The imaging optical system satisfies conditions expressed by the following Inequalities (1) and (2):<0.25   (1)sum<0.15   (2)where Ris a paraxial radius of curvature of an object-side surface of the first lens, TTL is a total optical length of the imaging optical system, ThLis a thickness of the first lens on an optical axis of the imaging optical system, and Thsum is a sum of respective thicknesses of all lenses, including the first to fifth lenses, on the optical axis of the imaging optical system.

Imaging optical system and camera

The dye-sensitized solar cell comprises a first electrode including a porous semiconductor layer supporting a dye; and a second electrode serving as a counter electrode of the first electrode. The second electrode includes a counter electrode conductive layer containing an absorbent supporting a dye that is the same as or different from the dye supported by the porous semiconductor layer.

Dye-sensitized solar cell

The dye-sensitized solar cell comprises a first electrode including a porous semiconductor layer supporting a dye, a second electrode serving as the counter electrode of the first electrode, and an electrolytic solution filled between the first electrode and the second electrode. The second electrode includes a counter electrode conductive layer containing carbon microparticles and supporting a dye that is the same as that supported by the porous semiconductor layer.

Dye-sensitized solar cell and method for producing the same

A zoom lens system includes, in the following order from an object side toward an image side, a first lens group with negative power, a second lens group with positive power, a third lens group with negative power, and a fourth lens group with positive power. The first lens group includes, in the following order from the object side toward the image side, a first lens element having a negative meniscus shape with a concave surface facing the image side, a second lens element having a negative meniscus shape with a concave surface facing the image side, a third lens element with a concave surface facing the image side, a fourth lens element with a convex surface facing the object side, and a fifth lens element with a concave surface facing the object side. The third lens element and the fourth lens element compose a cemented lens.

Zoom lens system, image capturing device

A positive electrode for lithium ion secondary batteries includes a collector and a positive electrode active material layer formed on at least one surface of the collector. The positive electrode active material layer contains a lithium-containing metal oxide having a unit cell represented by the following formula and a conductive material and has voids with a volume of 0.82&#xd7;10cm/cmto 7.87&#xd7;10cm/cmper unit area of the collector:LiFeZrPSiO&#x2003;&#x2003;(1)where 0&#x3c;x&#x3c;1 and 0&#x3c;y&#x3c;1. The unit cell has lattice constants satisfying 10.326&#x2266;a&#x2266;10.335, 6.006&#x2266;b&#x2266;6.012, and 4.685&#x2266;c&#x2266;4.714. The sum of the volume of the lithium-containing metal oxide and the volume of the conductive material is 1.61&#xd7;10cm/cmto 6.46&#xd7;10cm/cmper unit area of the collector.

Positive electrode for lithium ion secondary batteries and lithium ion secondary battery including the same

A wide-angle lens system includes a first lens group, an aperture stop, and a second lens group having positive optical power. The first lens group includes, at least, a first lens element that has a meniscus shape convex on the object side, and has negative optical power, a second lens element that has a meniscus shape convex on the object side, and has negative optical power, a third lens element that is concave on the image side and has negative optical power, and a posterior lens element. The second lens element is an aspherical lens, and the second lens element satisfies a conditional expression:0.3&#x3c;(21&#x2212;22)/(21+22)&#x3c;0.8where

Wide-angle lens system and imaging apparatus

Provided is a tape-shaped electrode that can effectively perform discharging and recharging even if the size thereof is increased. The tape-shaped electrode includes a plurality of conductive plates, and insulating coupling members that separably couple the plurality of conductive plates arranged in one direction in an insulating state.

Tape-shaped electrode, metal-air battery employing same, and used tape-shaped electrode reducing device

Each of a plurality of photovoltaic power generators includes a solar cell, a storage battery, a communication interface for communication, and a battery control unit for controlling storage of electric power and output of electric power to an electric power system. The battery control unit of the first photovoltaic power generator included in the plurality of photovoltaic power generators causes the first photovoltaic power generator to prioritize output of the electric power to the electric power system over storage of the electric power during the first time period, and causes the second photovoltaic power generator included in the plurality of photovoltaic power generators to prioritize output of the electric power to the electric power system over storage of the electric power during the second time period delayed by a prescribed time period from the first time period, through the communication interface.

Power operation system, power operation method and photovoltaic power generator

A non-aqueous electrolyte secondary battery comprising electrodes including a positive electrode and a negative electrode, a separator positioned between the electrodes, and a non-aqueous electrolyte, wherein the electrodes have a collector carrying an active substance material, and the collector of at least one of the positive electrode and the negative electrode is a three-dimensional structure formed of a resin fiber covered with a metal film.

Non-aqueous electrolyte secondary battery

A secondary battery with filling function has a corresponding secondary battery and a filling device. The corresponding secondary battery has a housing defining an accommodation chamber for accommodating a power generation portion, an opening portion formed in the housing, a stopper body closing the opening portion, and a coupling portion formed around the opening portion. The filling device has a cap body forming a sealed space around the opening portion by covering the opening portion and the stopper body closing the opening portion as a result of coupling to the coupling portion, an attachment and removal portion for attaching and removing the stopper body to/from the opening portion in the sealed space, and a filling portion for filling the inside of the housing with a non-aqueous electrolyte through the opened opening portion.

Non-aqueous electrolyte secondary battery with filling function, and non-aqueous electrolyte secondary battery and non-aqueous electrolyte filling device used therefor

A nonaqueous secondary battery comprises a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, wherein at least one of the positive electrode and the negative electrode is provided with a current collector composed of a film-like or fibrous resin layer having a conductive layer on both sides, and the separator has a higher thermal deformation temperature than the resin layer.

Nonaqueous secondary battery

A secondary battery with improved life characteristics is provided. The secondary battery (lithium-ion secondary battery) has: an electrode assembly including positive electrodes and negative electrodes; and a package container for housing the electrode assembly along with non-aqueous electrolyte liquid. The package container includes a package can for housing the electrode assembly and a sealing plate sealing the opening of the package can. On the sealing plate, an elevated portion is formed that projects toward the electrode assembly and has, on the side opposite from the electrode assembly, a cavity portion for storing refill non-aqueous electrolyte liquid. The elevated portion has a hole for feeding the refill non-aqueous electrolyte liquid stored in the cavity portion toward the electrode assembly. The hole is sealed with a sealing stopper formed of a resin material letting the refill non-aqueous electrolyte liquid leak toward the electrode assembly.

Secondary battery; solar power generation system, wind power generation system, and vehicle provided therewith; and method for fabrication of a secondary battery

In a lithium-ion secondary battery of the present invention, the electrical resistivity of the mixture of a positive electrode active material, an electrically conductive member, and a binder is 0.1 &#x3a9;cm or more but 1 &#x3a9;cm or less. The positive and negative electrodes each have an electrical capacity of 10 mAh or more but 50 mAh or less per volume of a rectangular parallelepiped that has a 1 cmsquare base on a face of the electrode of one polarity facing the electrode of the other polarity and that has a height equal to the thickness of the electrode of the one polarity at the square base. Used as the negative electrode thereof is a negative electrode formed by sintering graphite powder, non-graphitizing carbon, and fibrous powder retained in the pores of a porous metal structure in an inert gas atmosphere at a temperature of between 600 and 1000&#xb0; C.

Lithium-ion secondary battery and manufacturing method thereof

A nonaqueous secondary battery comprising a pair of electrodes consisting of a positive electrode and a negative electrode, and a separator interposed between the pair of electrodes, wherein the separator is a laminate formed by stacking in sequence a metal layer, a first resin layer and a second resin layer having a thermal shrinkage percentage smaller than a thermal shrinkage percentage of the first resin layer, and the metal layer is opposed to one of the pair of electrodes.

A lithium secondary battery which comprises:

Lithium polymer secondary battery

Growing community of inventors

Kashihara, Japan

Naoto Nishimura