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Koha Co Ltd patents

Recent patent applications related to Koha Co Ltd. Koha Co Ltd is listed as an Agent/Assignee. Note: Koha Co Ltd may have other listings under different names/spellings. We're not affiliated with Koha Co Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Koha Co Ltd-related inventors

Phosphor, manufacturing same, and light-emitting device

A flat plate-shaped phosphor member includes a plurality of granular single crystal phosphors, each of which including a YAG crystal as a mother crystal, the YAG crystal having a composition represented by a formula of Y3-x-yGdxCeyAl5O12-w (0.03≦x≦0.2, 0.003≦y≦0.2, −0.2≦w≦0.2). Reduction of fluorescence intensity of the phosphor is less than 3%... Koha Co Ltd

Light emitting device

According to one embodiment of the present invention, the light emitting device includes an LED element, a side wall which surrounds the LED element, a phosphor layer which is fixed to the side wall with an adhesive layer therebetween, and is positioned above the LED element, and a metal pad... Koha Co Ltd

Single crystal phosphor, phosphor-containing member and light-emitting device

A light-emitting device includes a light-emitting element to emit a bluish light, and a yellowish phosphor to absorb the light emitted by the light-emitting element and produce a yellowish fluorescence. The yellowish phosphor comprises a single crystal phosphor comprising a composition represented by a compositional formula (Y1-a-bLuaCeb)3+cAl5-cO12 (where 0≦a≦0.9994, 0.001≦b≦0.0067,... Koha Co Ltd

Beta-ga2o3 single-crystal substrate

A β-Ga2O3-based single-crystal substrate includes a β-Ga2O3-based single crystal, and a principal surface being a plane parallel to a b-axis of the β-Ga2O3-based single crystal. A maximum value of Δω on an arbitrary straight line on the principal surface that passes through a center of the principal surface is not... Koha Co Ltd

Gallium oxide substrate

Provided is a gallium oxide substrate which has less linear pits. Obtained is a gallium oxide substrate wherein the average density of linear pits in a single crystal surface is 1,000 pits/cm2 or less.... Koha Co Ltd

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Koha Co Ltd in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Koha Co Ltd with additional patents listed. Browse our Agent directory for other possible listings. Page by