Ccs Corporation

University of Tsukuba

Kenji Miura

Kenji Yoneda

Shigeki Masumura

Takashi Sugita

Hiroshi Ezura

Ken Hoshikawa

Ryoko Suzuki

Naoki Kani

Ryoko Tomita

An expression system is provided, including a first nucleic acid fragment containing a long intergenic region (LIR) derived from geminivirus, a small intergenic region (SIR) derived from geminivirus, and an expression cassette of a target protein linked between the LIR and the SIR and a second nucleic acid fragment containing an expression cassette of a Rep/RepA protein derived from geminivirus, in which the expression cassette of the target protein includes a promoter, a nucleic acid fragment encoding the target protein, and two or more linked terminators in this order.

Protein expression system in plant cell and use thereof

The present invention includes: a casing having a bottom wall part and a pair of side wall parts extending upward from this bottom wall part; a rod-shaped lens provided above an LED substrate and along a longitudinal direction inside the casing; and a fixing mechanism for fixing the lens to the pair of side wall parts. The fixing mechanism includes: upwardly facing surfaces longitudinally extending along an inner surface of the side wall parts; downwardly facing surfaces longitudinally extending along side peripheral surfaces of the lens; a concave groove longitudinally extending above the upwardly facing surface on the inner surface of each of the side wall parts; and elastic bodies fitting into the concave grooves to be in contact with the side peripheral surfaces of the lens in a state that the downwardly facing surfaces are in contact with the upwardly facing surfaces.

Line light irradiation device and manufacturing method thereof

The present invention uniforms a size of an LED substrateto realize reduction of the number of parts and reduction of a manufacturing cost, and is a light irradiation device comprising: a long LED substrateon which a plurality of same LEDsare mounted; a chassishaving a substrate housing space for housing the LED substrate, wherein the number of LEDsin which a difference between a power source voltage Vand a sum of a forward voltage Vin the series connection of the LEDsis within an allowable range is employed as the number of LED units, and the number of LEDsmounted on the LED substrateis a common multiple of the number of LED units determined in each of LEDsof different wavelengths.

Light irradiation device

To reliably keep an LED board and a heat conductive member in close contact to improve the heat-dissipation efficiency and to reliably position an LED and an optical element, such as a lens part, arranged in a housing are a slim LED board, the housing that has an accommodating concave part to house the LED board, a heat conductive member that is arranged between the LED board and the accommodating concave part, a pressing member that has the lens part and that presses a long side edge part of the LED board against a bottom surface of the accommodating concave part of the housing, a securing mechanism for securing the LED board, the heat conductive member and the pressing member to the housing, and a positioning mechanism for positioning the lens part relative to the LED.

Light illuminating device

Illumination device for inspection

The present invention relates to a method for easily manufacturing an illumination device in which a surface mount chip-type LED is used, and a wiring board is formed into a truncated conical or another shape. The method includes, in a flexible strip-like wiring board having a partial ring or a linear shape, providing a through-hole T for filling with solder paste S at a wiring end portion L to be connected with a terminal of an LED, temporarily fixing the LED with bond B onto the wiring board held in a plate-like state, filling the through-hole T with the solder paste S from a back surface of the wiring board, rounding the wiring board mounted with the LED into a truncated conical or cylindrical shape, and reflowing the wiring board in the rounded state to solder the LED.

Illumination device and method for manufacturing the same

The light irradiation device of this invention intends to further facilitate an assembling procedure and to stabilize the quality as a product. The light irradiation device comprises an LED, an optical unitthat makes an engagement with the LEDwith their axial lines aligned with each other, a tubular first housing elementhaving an opening D at its rear end surface for inserting the optical unitand the LEDinto the inside of the first housing element, a deciduous inhibition member R that makes an engagement with a vicinity of the opening D of the first housing elementand that prevents the optical unitthat has been inserted into the first housing elementfrom dropping off, a second housing elementthat blocks up the opening D by being mounted on a predetermined position of the first housing elementand that forms a housing CS together with the first housing element, and a projecting memberthat is arranged on the second housing elementto project forward, and at the predetermined position, the projecting memberpresses the rear surface of the LEDto engage the optical unitand the LED, thereby to align their axial lines.

Inspection lighting device

A light irradiating unit comprises an LEDand a housinginto which the LEDis incorporated and that has a heat dissipating portion wherein the housinghas a first housing elementand a second housing elementeach of which is joined serially along a predetermined axial line, and further comprises a pressing arrangementthat fixes the LEDwith pressure between a first pressing facearranged at the first housing elementside and a second pressing facearranged at the second housing elementside accompanied by joining the first and the second housing elementsand a positioning arrangementthat positions the LEDso as to align an optical axis of the LEDwith the predetermined axial line accompanied by joining the first and the second housing elements

Growing community of inventors

Kyoto, Japan

Kenji Miura