NGK

Iron and steel; nonferrous metals and their alloys; copper and its alloys; copper, unwrought or semi-wrought; beryllium copper alloys; copper nickel tin alloys; metal materials for building or construction; prefabricated building assembly kits of metal; metal pulleys, springs and valves [not including machine elements]; metal junctions for pipes; metal flanges; reservoirs of metal; liquid storage tanks or reservoirs of metal; industrial water storage tanks of metal; liquefied gas storage tanks of metal; gas storage tanks of metal; internal floating lids of aluminium for use with gas or liquefied gas storage tanks; metal hardware; industrial packaging containers of metal; metal stoppers for industrial packaging containers; metal lids and caps for industrial packaging containers; metal water-pipe valves lined with fluororesin; metal fluid-pipe valves, wetted parts of which being made of ceramics; metal fluid-pipe valves, wetted parts of which being made of resin.

Fire extinguishers; sprinkler systems for fire protection; fire extinguishing apparatus and their parts and fittings; laboratory apparatus and instruments and their parts and fittings; furnaces for laboratory experiments and their parts and fittings; refractory racks, partition boards, tables, jigs, setters and saggers used as accessories for furnaces or kilns for laboratory experiments; optical machines and apparatus and their parts and fittings; photographic machines and apparatus and their parts and fittings; cinematographic machines and apparatus and their parts and fittings; measuring or testing machines and instruments and their parts and fittings; oxygen analyzers; pollution detectors using ultrasonic cleaning technique; capacitance type sensors; sensors for measuring nitrogen oxide concentration in exhaust gas; sensors for measuring exhaust gas concentration; detectors; power distribution or control machines and apparatus and their parts and fittings; rotary converters; phase modifiers; electric switches; cut-out switches; cut-out switches; circuit breakers; circuit breakers for lightning protection; lightning arresters; voltage regulators; power receiving and transforming equipment; high-voltage power receiving and transforming equipment; electrical fuses; bushings for use in insulating and supporting high voltage conductors, as parts or fittings of high-voltage power supply apparatus and transformers; batteries, electric; accumulators [batteries]; secondary batteries; fuel cells; lithium-ion secondary batteries; zinc battery; nickel-zinc batteries; zinc secondary batteries; electric accumulators for backup power supply; electric accumulators for uninterruptible power supply apparatus; sodium-sulfur batteries; solar batteries; electric or magnetic meters and testers and their parts and fittings; electric wires and cables; telecommunication machines and apparatus and their parts and fittings; repeater housings or enclosures for submarine optical communication cables; personal digital assistants and their parts and fittings; electronic data processing apparatus, electronic communication apparatus and electronic control apparatus, and their parts and fittings; semi-conductor elements; semiconductors; semi-conductor devices; electronic circuits and their parts and fittings; magnetic data carriers, recording discs; data storage devices and their parts and fittings; circuit boards; insulated heat-dissipating circuit boards; copper panels for circuit boards; semiconductor wafers; wafers for semiconductor manufacturing; wafers for semiconductor devices; compound semiconductor wafers; nitride semiconductor wafers; gallium nitride wafers and their substrates; wafers having a piezoelectric functional layer; wafers having a semiconductor as a supporting substrate; silicon wafers having an insulating layer; silicon wafers; wafers for electronic machines and apparatus; wafers for telecommunication machines and apparatus; wafers for wireless communication machines and apparatus; wafers for personal digital assistants; wafers for microelectronics, micromechanics, microsystems, optoelectronics, electronic components, piezoelectric devices, optical modulators, optical communication machines and apparatus, smartphones, wireless routers, light guides, MEMS, radio frequency components and sensors; wafers for an electronic device and their substrates; wafers for high-frequency devices; wafers for piezoelectric devices; wafers for photoelectric devices; wafers for optical devices; wafers for surface acoustic wave filters; packages for semiconductor; parts and fittings of packages for semiconductor; packages for quartz devices; packages for quartz crystal resonators; packages for quartz crystal oscillators; ceramic packages for electronic components; lenses to narrow irradiation range of LED, such as UV-LED and IR LED; lenses for LED; wavelength conversion elements utilizing cyclic polarization inversion; wavelength conversion apparatuses utilizing cyclic polarization inversion; laser light source devices; hard disc drive actuators; piezoelectric actuators; LED circuit boards; light-emitting diodes [LED]; magnetic cores; resistance wires; electrodes, other than welding electrodes or medical electrodes; dust-proof covers for photomask glass substrate; protective covers for photomask glass substrate.

Electrical insulating materials; electrical insulators; hollow insulators; insulating bushings; gaskets; junctions for pipes, not of metal; joint packings.

Observert 2026-09-16T17:52:49.606Z