NGK Trademark

Metal pulleys, springs and valves [not including machine elements]; 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.

Metalworking machines and tools and apparatus and their parts and fittings; moulds and dies for metal-forming; moulds and dies for metal-forming parts; chemical processing machines and apparatus and their parts and fittings; filters for chemical processing machines and apparatus; dust collecting machines for chemical processing and their parts and fittings; separating machines for chemical processing and their parts and fittings; filters for separating machines for chemical processing; filtering machines for chemical processing and their parts and fittings; filters for filtering machines for chemical processing; pharmaceutical manufacturing machines and apparatus and their parts and fittings; filters for pharmaceutical manufacturing machines and apparatus; food or beverage processing machines and apparatus and their parts and fittings; filters for food or beverage processing machines and apparatus; semiconductor manufacturing machines and their parts and fittings; dustproof covers for exposure apparatus for semiconductor manufacturing; parts for exposure apparatus for semiconductor manufacturing; antistatic devices for ultrapure water for washing apparatus; washing apparatus for semiconductor wafers, semiconductor elements and integrated circuits in semiconductor manufacturing processes; antistatic devices for ultrapure water in semiconductor manufacturing processes; antistatic devices for ultrapure water in liquid crystal panel manufacturing process; laminated semiconductor chip manufacturing machines and their parts and fittings; semiconductor manufacturing equipment components, namely, ceramic substrates for arranging and temporarily bonding semiconductor chips and forming a redistribution layer on a semiconductor substrate in the semiconductor substrate manufacturing process; semiconductor manufacturing equipment components, namely, ceramic substrates for processing and transporting semiconductor substrates in the semiconductor substrate manufacturing process; semiconductor manufacturing equipment components, namely, ceramic substrates used in the process of semiconductor packaging, including fan-out wafer-level packaging (FOWLP); dust separators for chemical processing and their parts and fittings; filters for dust separators; exhaust gas purifiers of internal combustion engines for land vehicles and ships and their parts and fittings; filters for exhaust gas purifiers of internal combustion engines for land vehicles and ships; filtering machines for use in semiconductor manufacturing processes and their parts and fittings; filters for filtering machines for use in semiconductor manufacturing processes; exhaust gas purifiers of diesel generators and their parts and fittings; filters for exhaust gas purifiers of diesel generators; catalytic converters for purifying exhaust gas of internal combustion engines, and their parts and fittings; catalytic converters, and their parts and fittings; catalyst carriers for exhaust gas purifiers of internal combustion engines, being parts of catalytic apparatus; filters for exhaust gas purifiers of internal combustion engines; non-electric prime movers, not for land vehicles, other than water mills and wind mills; parts of non-electric prime movers, other than water mills and wind mills and their fittings; pneumatic or hydraulic machines and instruments and their parts and fittings; pumps [machines]; valves [parts of machines]; carbon dioxide separation apparatus and their parts and fittings; carbon dioxide adsorbents for carbon dioxide separation apparatus, being parts thereof; gas separation apparatus and their parts and fittings; chemical processing machines and their parts and fittings; ceramic filters for gas separation apparatus; ceramic filters for chemical processing machines; ceramic filters for oil extraction machines having a gas separation function; ceramic filters for hydrogen separation; ceramic filters for nitrogen separation; ceramic filters for carbon dioxide separation; ceramic filters for water separation; ceramic membrane filters for gas separation; membrane separation apparatus and their parts and fittings; separation membranes for membrane separation apparatus; membrane reactors and their parts and fittings; membrane reaction apparatus and their parts and fittings; ceramic filters for solvent dehydration for separation apparatus; ceramic filters for solvent separation for separation apparatus; ceramic filters for gas separation for separation apparatus; ceramic filters for water separation for separation apparatus; ceramic filters for mixed solution separation for separation apparatus.

Chemicals; catalysts; catalyst carriers; ceramic catalyst carriers; catalyst carriers for adsorbing, separating and recovering carbon dioxide; catalyst carriers for use in carbon dioxide recovery apparatus; honeycomb-structured carbon dioxide absorbing materials being chemical preparations for use in carbon dioxide adsorption devices.

Medical apparatus and instruments and their parts and fittings; electric scalpels for surgical purposes and their parts and fittings.

Hand tools, hand operated, other than bladed or pointed hand tools; bladed or pointed hand tools and swords.

Measuring or testing machines and instruments and their parts and fittings; oxygen analyzers; capacitance type sensors; telecommunication machines and apparatus and their parts and fittings; repeater housings or enclosures for submarine optical communication cables; semi-conductor elements; semiconductors; semi-conductor devices; 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; piezoelectric actuators.

Drying apparatus for chemical processing and their parts and fittings; water filtering and purifying apparatus and their parts and fittings; filters for water filtering and purifying apparatus; gas purification and refining equipment, and their parts and fittings; gas separation ceramic filters for gas purification and refining equipment; devices for recovering carbon dioxide and other gases from exhaust gases generated by boilers, industrial furnaces and commercial incinerators, and their parts and fittings; devices for separating carbon dioxide and other gases from exhaust gases generated by boilers, industrial furnaces and commercial incinerators, and their parts and fittings, being components of boilers, industrial furnaces and commercial incinerators; gas separation ceramic filters for devices used to separate and recover carbon dioxide and other gases from exhaust gases generated by boilers, industrial furnaces and commercial incinerators; adsorption apparatus for generating gas and their parts and fittings; industrial furnaces or kilns and their parts and fittings; burning furnaces or kilns and their parts and fittings; heating furnaces for industrial purposes and their parts and fittings; gas purification apparatus for exhaust gas generated by combustion devices such as boilers, industrial furnaces and commercial incinerators, and their parts and fittings; filters for gas purification apparatus for exhaust gas generated by combustion devices such as boilers, industrial furnaces and commercial incinerators; filters for gas purification and refining equipment; high temperature gas dust collectors for use in collecting valuable matter in high temperature gases emitted from industrial furnaces or other industrial apparatuses, and their parts and fittings; filters for high temperature gas dust collectors for use in collecting valuable matter in high temperature gases emitted from industrial furnaces or other industrial apparatuses; high temperature gas dust collectors for air pollution control, and their parts and fittings; filters for high temperature gas dust collectors for air pollution control; high temperature gas dust collectors for use in eliminating harmful substances in high temperature gas emitted from incinerators and boilers, and their parts and fittings; filters for high temperature gas dust collectors for use in eliminating harmful substances in high temperature gas emitted from incinerators and boilers; desiccating apparatus and their parts and fittings; air conditioners for industrial purposes and their parts and fittings; air-conditioners and their parts and fittings; air dehumidifiers and their parts and fittings; humidifiers and their parts and fittings; air-conditioning apparatus and their parts and fittings; air-conditioning apparatus incorporating carbon dioxide separation functions, and their parts and fittings; carbon dioxide adsorbents for air-conditioning apparatus incorporating carbon dioxide separation functions, being parts of air-conditioning apparatus; level controlling valves for tanks; pipe line cocks; water purifying apparatus for industrial purposes and their parts and fittings; heating elements; carbon dioxide recovery devices and their parts and fittings; carbon dioxide adsorbents for carbon dioxide recovery devices, being parts thereof; apparatus for gas recovery and their parts and fittings; ceramic filters for apparatus for gas recovery.

Electrical insulating materials; electrical insulators; hollow insulators; insulating bushings.