KOA Corporation

Japan


 
Total IP 403
Total IP incl. subs 410 (+ 7 for subs)
Total IP Rank # 3,182
IP Activity Score 3.2/5.0    289
IP Activity Rank # 2,463
Stock Symbol 69990 (tse)
ISIN JP3283400004
Market Cap. 57238329736.0  (JPY)
Industry Electronic Components
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

150 9
1 3
227 8
5
 
Last Patent 2025 - Electronic component
First Patent 1984 - Electroluminescent device having...
Last Trademark 2024 - KOA
First Trademark 1980 - KOA

Subsidiaries

1 subsidiaries with IP (0 patents, 7 trademarks)

1 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 G/S Temperature sensors; inclinometers; pressure sensors; pressure gauges; manometers; gas sensors; a...
G/S Temperature sensors; inclinometers; pressure sensors; pressure gauges; manometers; gas sensors; ...
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...
G/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 and method of producing thereof. A chip resistor 10 comprises: a insulating substr...
Invention Shunt resistor and current detection device. The present invention relates to a shunt resistor an...
Invention Shunt resistor and shunt resistance device. The present invention pertains to a shunt resistor an...
Invention Load sensor element. This load sensor element comprises: a substrate; an inorganic layer which is...
Invention Load sensor element. This load sensor element comprises a substrate, and an inorganic layer which...
Invention Chip resistor. The present invention provides a chip resistor which has excellent corrosion resis...
Invention Gas sensor. This gas sensor is provided with a base material, a first electrode and a second elec...
2022 Invention Current detecting device, and method for manufacturing same. The present invention relates to a c...
Invention Electronic component. An electronic component that can secure a creepage distance between electr...
Invention Chip resistor. Provided is a chip resistor that is capable of ensuring low TCR while increasing e...
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 Resistance alloy for use in shunt resistor, use of resistance alloy in shunt resistor, and shunt ...
Invention Shunt resistor and shunt resistance device. The present invention relates a shunt resistor and a...
Invention Flow sensor element. An object is to provide a flow sensor element is non-directional and has an...
Invention Varistor
Invention Shunt resistor and manufacturing method thereof. A shunt resistor (1) includes: a resistance ele...
2020 Invention Chip component production method. A chip component 10 comprises: an insulating substrate 1 on whi...
2019 G/S Electric resistors for telecommunication apparatus; telecommunication machines and apparatus; se...
G/S Coils, electric; fuses for telecommunication apparatus; electric resistors for telecommunication...
G/S Integrated circuit chips; Fuses; Electric resistors; Rheostats; Semiconductor parts; Magnetic mat...
2018 G/S Electric measuring devices, namely, flowmeters, temperature indicators, speed indicators, meteoro...
G/S Measuring devices, electric; LED monitors; telecommunication machines and apparatus; computers; ...
2016 G/S Measuring devices, electric; power distribution or control machines and apparatus; electric or m...
2006 G/S [electric resistors, fixed resistor networks, potentiometers,] circuit protectors [, capacitors, ...
2004 G/S Electric coils; fuses adapted for communication apparatus; electric resistances; thermistors; hyb...
1999 G/S resistors, fixed resistors networks, potentiometers, circuit protectors, capacitors, thermistors,...
1998 G/S fixed resistors, resistor networks, potentiometers, circuit protectors, capacitors, thermistors, ...
1980 G/S Resistors