KOA Corporation

Japon


 
Quantité totale PI 415
Quantité totale incluant filiales 422 (+ 7 pour les filiales)
Rang # Quantité totale PI 3 126
Note d'activité PI 3,2/5.0    298
Rang # Activité PI 2 411
Symbole boursier 69990 (tse)
ISIN JP3283400004
Capitalisation 57238329736.0  (JPY)
Industrie Electronic Components
Secteur Technology
Classe Nice dominante Appareils et instruments scienti...

Brevets

Marques

154 9
1 3
235 8
5
 
Dernier brevet 2025 - Sulfurization detection sensor
Premier brevet 1984 - Electroluminescent device having...
Dernière marque 2024 - KOA
Première marque 1980 - KOA

Filiales

1 subsidiaries with IP (0 patents, 7 trademarks)

1 subsidiaries without IP

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Industrie (Classification de Nice)

Derniers inventions, produits et services

2024 Invention Chip resistor. A chip resistor 1, which is excellent in the surge characteristics and also suita...
Invention Method for manufacturing resistor. The present invention relates to a method for manufacturing a ...
P/S Temperature sensors; inclinometers; pressure sensors; pressure gauges; manometers; gas sensors; a...
P/S Temperature sensors; inclinometers; pressure sensors; pressure gauges; manometers; gas sensors; ...
Invention Current detecting device. This current detecting device comprises a resistor which has a stacked ...
Invention Current detection device. This current detection device is provided with: a lamination-structure ...
Invention Current detection device. The present invention provides a configuration for more precisely detec...
Invention Stacked resistor and method for manufacturing stacked resistor. Disclosed is a stacked resistor w...
Invention Multilayer resistor and method for manufacturing multilayer resistor. This multilayer resistor is...
Invention Sulfurization detection sensor. The present invention provides a sulfurization detection sensor c...
Invention Chip resistor. Provided is a chip resistor excellent in surge characteristics and suitable for mi...
Invention Chip-type current fuse. The chip-type current fuse is configured to include a fuse element 5 for...
Invention Wind velocity measuring system. The objective of the present invention is to provide a wind veloc...
Invention Flow rate sensor. The objective of the present invention is to provide a flow rate sensor in whic...
Invention Sensor system. The purpose of the present invention is to provide an optimal sensor system for me...
Invention Metal plate resistor and method for manufacturing metal plate resistor. The present invention rel...
P/S Temperature sensors; inclinometers; pressure sensors; pressure gauges; manometers being pressure ...
Invention Current detection circuit. A current detection circuit, including: an output circuit to output a...
Invention Multi-linked devices. The objective of the present invention is to provide multi-linked devices t...
Invention Oxygen sensor element. Provided is an oxygen sensor element that enables reduced power consumptio...
2023 Invention Chip resistor and chip resistor manufacturing method. Provided is a chip resistor with excellent ...
Invention Oxygen gas detecting elemental device and method for using oxygen gas detecting elemental device....
Invention Copper alloy material and shunt resistor. A copper alloy material having a low volume resistivit...
Invention Shunt resistor. The present invention relates to a shunt resistor. This shunt resistor (1) compri...
Invention Electronic component. An electronic component according to an embodiment of the present inventio...
Invention Electronic component. A resistor 10, which is an electronic component that provides suppression o...
Invention Temperature sensor and current detection device. The present invention provides: a temperature se...
Invention Shunt resistor and shunt resistor manufacturing method. The present invention relates to a shunt ...
Invention Sensor device. A sensor device according to the present invention includes a substrate including...
Invention All-solid-state potassium ion selective electrode, and method for producing same. x6y22O, at leas...
Invention All-solid-state potassium ion selective electrode. xxFeFe, wherein x represents a number that is ...
Invention Gas sensor. A sensor element (12) has a cross-sectional area that continuously only increases fr...
Invention Resistor. The present invention relates to a resistor, particularly to a surface-mount resistor. ...
Invention Chip resistor. The present invention provides a chip resistor which has excellent corrosion resis...
2022 Invention Chip resistor. A chip resistor includes an insulating substrate, a pair of front electrodes prov...
Invention Electronic component. An electronic component that can secure a creepage distance between electr...
Invention All-solid-state potassium ion-selective electrode and method of manufacturing the all-solid-state...
Invention Shunt resistor. The shunt resistor includes: the resistance body; and the electrode joined to th...
Invention Built-in chip resistor for substrate, resistor built-in module, manufacturing method of resistor ...
Invention Resistive oxygen gas sensor and oxygen sensor device. In a resistive oxygen gas sensor, an oxyge...
Invention Oxygen sensor element and method for manufacturing same. An oxygen sensor element that can achie...
Invention Temperature sensor. Provided is a temperature sensor which can enhance strength more easily. The...
Invention Sensor element. Provided is a sensor element capable of obtaining a wide sensing region, suppres...
Invention Current detection device. The present invention relates to a current detection device, in partic...
Invention Resistor and manufacturing method of resistor. Provided is a resistor provided with a resistance...
Invention Mounting structure for chip component. Provided is a mounting structure for a chip component hav...
Invention Sensor device. An object is to provide a sensor device capable of highly accurately detecting a ...
2021 Invention Chip component. A chip resistor according to the present invention includes an insulating substr...
Invention Heterojunction photocatalyst, photocatalyst composite, method for producing heterojunction photoc...
Invention Jumper element, shunt resistor apparatus, and method of adjusting characteristic of shunt resisto...
Invention Shunt resistor and shunt resistance device. The present invention relates a shunt resistor and a...
Invention Varistor
2020 Invention Chip component production method. A chip component 10 comprises: an insulating substrate 1 on whi...
2019 P/S Electric resistors for telecommunication apparatus; telecommunication machines and apparatus; se...
P/S Coils, electric; fuses for telecommunication apparatus; electric resistors for telecommunication...
P/S Integrated circuit chips; Fuses; Electric resistors; Rheostats; Semiconductor parts; Magnetic mat...
2018 P/S Electric measuring devices, namely, flowmeters, temperature indicators, speed indicators, meteoro...
P/S Measuring devices, electric; LED monitors; telecommunication machines and apparatus; computers; ...
2016 P/S Measuring devices, electric; power distribution or control machines and apparatus; electric or m...
2006 P/S [electric resistors, fixed resistor networks, potentiometers,] circuit protectors [, capacitors, ...
2004 P/S Electric coils; fuses adapted for communication apparatus; electric resistances; thermistors; hyb...
1999 P/S resistors, fixed resistors networks, potentiometers, circuit protectors, capacitors, thermistors,...
1998 P/S fixed resistors, resistor networks, potentiometers, circuit protectors, capacitors, thermistors, ...
1980 P/S Resistors