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Komaki, Japan

NGK Insulators, Ltd. is a Japanese ceramics company. It primarily produces insulators but also produces other products, especially ceramic products. It is listed on the Nikkei 225, which is an index of the Tokyo Stock Exchange. It is also listed in the Osaka Securities Exchange, the Nagoya Stock Exchange, and the Sapporo Securities Exchange all under listing code 5333. NGK stands for Nippon Gaishi Kaisha . Wikipedia.


A voltage measurement unit for detecting voltage of secondary battery cells on a block by block basis, and outputting the detected voltage as block voltage, an information acquisition unit for acquiring information about a module among a plurality of modules that accommodates a block where a difference between the block voltage and a corresponding block voltage with a first order lag has been changed to exceed a predetermined voltage value, a notification reception unit for receiving a notification of an abnormality having occurred in the secondary battery cells, and a module identification unit for identifying a module corresponding to the information about the module, as a module having the abnormality at the time of receiving the notification by the notification reception unit, are provided.


Patent
Ngk Insulators | Date: 2015-01-26

A method for recovering olefin includes: an olefin concentrating process of supplying a part or all of an olefin-containing gas containing olefin to an olefin-containing-gas separating unit that includes a separation membrane and causing this olefin-containing gas to transmit the separation membrane so as to obtain an olefin concentrated gas reduced in concentration of a component other than olefin to 1/10 or less compared with a concentration of a component other than olefin in the olefin-containing gas; and a residual-gas combustion process of disposal of residual gas that does not transmit the separation membrane in the olefin concentrating process by burning.


Patent
Ngk Insulators | Date: 2015-10-27

An alumina purity of translucent polycrystalline alumina forming a handle substrate is 99.9 percent or higher, and a porosity of the polycrystalline alumina is 0.01% or more and 0.1% or less. A number of pores, each having a size of 0.5 m or larger and included in a surface region on a side of a bonding face of the handle substrate is 0.5 times or less of a number of pores, each having a size of 0.1 m or larger and 0.3 m or smaller and contained in the surface region.


Patent
Ngk Insulators | Date: 2015-09-22

A compact is formed by introducing a slurry containing a ceramic powder or a metal powder, a binder and a solvent into a compaction die, and compacting the slurry in the compaction die. The compact embedded in the compaction die is immersed in an alternative CFC (liquid) (FIG.


Patent
Ngk Insulators | Date: 2015-09-09

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