Fujifilm Corporation

Toray Industries, Inc.

Yusuke Kagawa

Norihito Kasada

Katsushige Yamada

Shingo Hiramatsu

Yuto Murata

Kazuo Hiraguchi

Teruo Ashikawa

Nobuyuki Kimoto

Tetsuya Kaneko

Haruka Saito

Yosuke Sumiya

Tetsu Miyoshi

Provided is a piezoelectric element capable of reliably performing an electrical connection to an electrode layer. A piezoelectric element includes a piezoelectric layer, electrode layers formed on both sides of the piezoelectric layer, and a protective layer laminated on a surface of the electrode layer opposite to a surface on the polymer composite piezoelectric body side. The protective layer has a hole that penetrates from the surface to the electrode layer. The piezoelectric element further includes a filling member consisting of a conductive material, which is formed from the inside of the hole to a part of a surface of the protective layer and is electrically connected to the electrode layer, a conductive member which covers at least a part of the filling member and is electrically connected to the filling member, and a fixing member for fixing the conductive member.

Piezoelectric element

A mutant strain of, the mutant strain having a mutation that eliminates or reduces a function of a polypeptide consisting of the amino acid sequence represented by any of SEQ ID Nos: 4 to 6. A method produces a cellulast, the method including a step of cultivating the mutant strain of, the mutant strain having a mutation that eliminates or reduces a function of a polypeptide consisting of the amino acid sequence represented by any of SEQ ID Nos: 4 to 6.

Mutant strain ofand method of producing protein using same

Provided are a laminated piezoelectric element and an electroacoustic transducer capable of obtaining high piezoelectric characteristics and easily ensuring an electric contact to an electrode layer. A plurality of layers of piezoelectric films, each of which is formed by laminating a first protective layer, a first electrode layer, a piezoelectric layer, a second electrode layer, and a second protective layer in this order, are laminated. Each of the piezoelectric layers is polarized in a thickness direction. In each of the piezoelectric films, the first electrode is disposed on an upstream side in a polarization direction of the piezoelectric layer, and the second electrode is disposed on a downstream side. Each of the plurality of piezoelectric films has a cemented portion which is cemented to an adjacent piezoelectric film and a protruding portion which is not cemented to the adjacent piezoelectric film and in which at least the first electrode layer and the first protective layer or the second electrode layer and the second protective layer protrude from the cemented portion toward the outside in a plane direction. At the protruding portion of each of the piezoelectric films, at least one of a first contact, to which the first electrode layers of the piezoelectric films are electrically connected to each other, or a second contact, to which the second electrode layers of the piezoelectric films are electrically connected to each other, is formed.

Laminated piezoelectric element and electroacoustic transducer

A mutant of afilamentous fungus has a mutation that results in lost or lowered function of a beta-adaptin large subunit, or a mutation in an amino acid sequence that forms the beta-adaptin large subunit. A method produces a protein while maintaining a low viscosity in a culture solution during culturing by using the mutant.

Mutant offilamentous fungus and method of producing protein

Provided is a piezoelectric element capable of preventing the occurrence of poor connection to an electrode layer. A piezoelectric element includes a piezoelectric layer, electrode layers formed on both sides of the piezoelectric layer, and a protective layer laminated on a surface of the electrode layer opposite to a surface on a piezoelectric layer side, in which the piezoelectric element includes a conductive foil laminated on a surface of the protective layer opposite to the electrode layer, the protective layer has a hole that penetrates from a surface to the electrode layer, the conductive foil includes an opening portion at a position that overlaps with the hole of the protective layer in a surface direction, the piezoelectric element includes a filling member consisting of a conductive material, which is formed on at least a part of a surface of the conductive foil from insides of the hole of the protective layer and an opening portion of the conductive foil and is electrically connected to the electrode layer and the conductive foil, and a covering member that covers the filling member and the conductive foil, the covering member has a through-hole at a position that does not overlap with the filling member in the surface direction, and the piezoelectric element includes a conductive member, which is inserted into the through-hole of the covering member and electrically connected to the conductive foil.

A mutant strain ofhas a mutation that eliminates or reduces a function of a polypeptide consisting of the amino acid sequence represented by SEQ ID NO: 2. A method produces a protein, the method including a step of cultivating the mutant strain.

mutant strain, and method of producing protein

The magnetic tape cartridge includes a magnetic tape, and a cartridge reel. In the magnetic tape, a minimum winding deviation occurrence load measured after the magnetic tape is rewound around the cartridge reel by applying a tension of 0.40 N in a longitudinal direction of the magnetic tape is 300 N or less.

Magnetic tape cartridge and magnetic tape device having characterized winding deviation occurrence load

A mutant strain of a filamentous fungus of the genushaving a reduced function of a polypeptide consisting of the amino acid sequence represented by SEQ ID NO: 2; and a method of producing a sugar from a cellulose-containing biomass, the method including: step a of producing a cellulase by cultivating amutant strain having a reduced function of a polypeptide consisting of the amino acid sequence represented by SEQ ID NO: 2, and step b of saccharifying the biomass by using the cellulase obtained in the step a.

Trichoderma filamentous fungus mutant strain and method of producing protein

Amutant strain has a function of a polypeptide consisting of the amino acid sequence represented by SEQ ID NO: 2 is reduced. A method of producing a protein includes a step of cultivating the-mutant strain, and a method of producing a cellulase includes a step of cultivating themutant strain.

Trichoderma reesei mutant and protein production method

In the magnetic tape cartridge, a tape has a tape thickness of 5.3 &#x3bc;m or less, and a difference W&#x2212;Wbetween a tape width Wat a position of 50 m&#xb1;1 m from a tape inner end and a tape width Wat a position of 50 m&#xb1;1 m from a tape outer end is 4.1 &#x3bc;m to 19.9 &#x3bc;m as a value measured on 100th day from a date of magnetic tape cartridge manufacture, and a difference G&#x2212;Gbetween a servo band interval Gin a range of 49 m to 51 m from the tape inner end and a servo band interval Gin a range of 49 m to 51 m from the tape outer end is &#x2212;3.9 &#x3bc;m to 0.0 &#x3bc;m as a value measured on 100th day from the date of magnetic tape cartridge manufacture.

Single reel magnetic tape cartridge with predefined tape width difference and servo band interval difference

Provided is a magnetic tape cartridge of a single reel type in which a magnetic tape is wound around a reel, in which the magnetic tape includes a non-magnetic support and a magnetic layer containing a ferromagnetic powder, and has a tape thickness of 5.3 &#x3bc;m or less, the magnetic layer includes a plurality of servo bands, and a difference (G&#x2212;G) between a servo band interval Gin a range of 49 m to 51 m from a tape inner end and a servo band interval Gin a range of 49 m to 51 m from a tape outer end is &#x2212;3.9 &#x3bc;m to &#x2212;1.1 &#x3bc;m as a value measured on 100th day from a date of magnetic tape cartridge manufacture.

Single reel magnetic tape cartridge with predefined servo band interval difference

A recording and reproducing device includes: a first acquisition unit which acquires servo band interval information representing an interval, in a width direction of a magnetic tape, between adjacent servo recording elements of plural servo recording elements which record the servo patterns on the plural servo bands, respectively; a second acquisition unit which acquires reproducing element interval information representing an interval in the width direction between respective servo reproducing elements which read the adjacent servo patterns along the width direction with respect to the plural tape drives; and a selection unit which selects a tape drive into which the magnetic tape is inserted, from the plural tape drives, using a value representing a difference between the interval represented by the servo band interval information and the interval represented by the reproducing element interval information.

Recording and reproducing device and recording and reproducing method

Provided is a magnetic tape cartridge of a single reel type in which a magnetic tape is wound around a reel, in which the magnetic tape includes a non-magnetic support, and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support, a tape thickness is equal to or smaller than 5.2 &#x3bc;m, a tape width difference (B&#x2212;A) between a tape width A at a position of 10 m&#xb1;1 m from a tape outer end and a tape width B at a position of 50 m&#xb1;1 m from a tape inner end is 2.4 &#x3bc;m to 12.0 &#x3bc;m, and the tape width A and the tape width B are values measured 100 days from the date of magnetic tape cartridge manufacture.

Single reel magnetic tape cartridge with pre-defined tape width difference

A recording tape cartridge storage case includes a case body made of resin having a bottom plate that is rectangular in a bottom view and a peripheral wall erected from a peripheral edge of the bottom plate, a plurality of recording tape cartridges being stored in at least two rows with label areas thereof directed upward, respectively, and a bottom rib interposed between mutually adjacent side surfaces of the recording tape cartridges that form the rows being formed on the bottom plate; and a lid member made of resin that is attached to an upper end of the peripheral wall, seals the case body, and has a top rib interposed between the side surfaces, transmission parts that are transparent flat surfaces being formed in portions that face the label areas on both sides of the top rib.

Recording tape cartridge storage case and storage case containing recording tape cartridges

A recording tape cartridge storage case includes a case body made of resin having a bottom plate that is rectangular in a bottom view and a peripheral wall erected from a peripheral edge of the bottom plate, and storing a plurality of recording tape cartridges with label areas thereof directed upward, respectively, and a lid member made of resin that is attached to an upper end of the peripheral wall, seals the case body, and has transmission parts that are transparent flat surfaces being in contact with at least a peripheral part of the label area and being formed closer to the bottom plate than a support part that supports another case body stacked thereon is, on a portion facing the label area.

Growing community of inventors

Kanagawa, Japan

Yusuke Kagawa