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Sumitomo Electric Industries Ltd patents (2016 archive)


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Sumitomo Electric Industries Ltd-related inventors


Power conversion device and three-phase alternating current power supply device

Provided is a power conversion device that converts power between dc units and three-phase ac. A first-phase conversion device, a second-phase conversion device, and a third-phase conversion device each include a dc/dc conversion circuit and a single-phase power conversion circuit. ... Sumitomo Electric Industries Ltd

Preform manufacturing method

A preform manufacturing method of the present invention has a hole forming step of forming a plurality of holes in a glass body to produce a glass pipe, and a heating integration step of heating the glass pipe with core rods including core portions being inserted in the respective holes, thereby to implement integration of the core rods and the glass pipe. In the hole forming step, a peripheral hole out of the holes to be formed in the glass body is formed at a position determined in consideration of positional variation of the core portion before and after the integration.. ... Sumitomo Electric Industries Ltd

Bonded diamond body, tool comprising the same, and method for manufacturing bonded diamond body

A bonded diamond body having a high bonded strength is provided. The bonded diamond body includes a sintered polycrystalline diamond body, a hard substrate, and a hard layer provided between the sintered polycrystalline diamond body and the hard substrate, the sintered polycrystalline diamond body containing a diamond grain and a sintering aid, the hard substrate containing tungsten carbide and cobalt, and the hard layer containing cobalt and a hard grain made of a carbide, a nitride, or a carbonitride having a vickers hardness of 1100 hv or more.. ... Sumitomo Electric Industries Ltd








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