Sumida Corporation

Japan


Create a watch for Sumida Corporation
Total IP 336
Total IP incl. subs 338 (+ 2 for subs)
Total IP Rank # 3,928
IP Activity Score 3.2/5.0    237
IP Activity Rank # 2,918
Stock Symbol 68170 (tse)
ISIN JP3400800003
Market Cap. 23025781963.0  (JPY)
Industry Electronic Components
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

203 5
0 4
120 1
3
 
Last Patent 2025 - Current sensor circuit
First Patent 1999 - Inductance element
Last Trademark 2025 - S SUMIDA
First Trademark 1992 - SUMIDA

Subsidiaries

2 subsidiaries with IP (0 patents, 2 trademarks)

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Current sensor circuit. A current sensor circuit includes a detection coil configured such that ...
Invention Electronic component. An electronic component includes a base portion having an accommodating po...
Invention Coil component. A coil component includes a base portion, a terminal that protrudes from a lower...
Invention Vector potential coil device, vector potential generation device, and treatment device. A vector...
Invention Vehicle electronic component holder set and vehicle electronic component holder. A vehicle elect...
Invention Boost converter circuit and electric conveyor provided therewith. A boost converter circuit (1) i...
G/S Ropeways for cargo or freight handling, unloading tipplers (for tilting railway freight cars), mi...
Invention Vector potential coil device that applies electrical stimulation to skin. A support part has a h...
Invention Electrical stimulation vector potential coil device for use in ophthalmic treatment. A vector po...
Invention Inductor. An inductor includes a coil, a core that encloses the coil, a pair of terminals conduc...
Invention Method for inhibiting decrease or promoting increase of at least one among bone density and bone ...
Invention Coil component. A coil component includes a coil, a magnetic core which is housed inside the coi...
Invention Electronic component and method for holding conducting wire end. An electronic component include...
Invention Magnetic field measurement device. A microwave from a high frequency magnetic field generator an...
Invention High-frequency magnetic field generating device. A high-frequency magnetic field generating devi...
Invention Manufacturing method of coil component and coil component. A manufacturing method of a coil comp...
2024 Invention Antenna device. An antenna device includes a base having a mounting portion, and a chip electron...
Invention Implantable device system. This implantable device system comprises: an extracorporeal apparatus ...
Invention Sensor device. A sensor device (1) comprises: a magnetic material core part (2) capable of formin...
Invention Coil component. A coil component includes a magnetic core having a core portion; an insulation f...
Invention Coil component. A coil component includes a first core, a second core, and a base unit in which a...
Invention Drug delivery device. In the present invention, a vector potential coil device (VP coil (11)) gen...
Invention Therapeutic device. A vector potential coil device (1) generates a vector potential and applies e...
Invention Step-up converter circuit and electric transport machine including same. A step-up converter circ...
Invention Biological vector potential generation device and method for operating same. [Problem] To provide...
Invention Coil component. A cover (40) includes a top surface portion (42) and a leg portion (44). The top ...
Invention Coil device. A coil portion (10) is fixed to a case (40) by a first resin (50) and a second resin...
Invention Coil component and method for assembling the same. The purpose of the present invention is to imp...
2023 Invention Coil component and method for assembling coil component. The present invention facilitates adjust...
Invention Coil component. A coil component (1) has a first core (10), a second core (20), and a base sectio...
Invention Coil component and method for manufacturing coil component. A base (30) is provided with a pedest...
Invention Packaging material, packaged electronic component, and packaging method. A support part (20) incl...
Invention Antenna unit and door handle. A long antenna unit (10) which is connected to an external circuit ...
Invention Magnetic coupling reactor and assembly method therefor. A magnetic coupling reactor 100 includes:...
Invention Inductor assembly. Each of a pair of first terminals (30) has a mounting part and a standing part...
Invention Control circuit and control method for llc resonant converter circuit. This control circuit (30) ...
Invention Nuclear magnetic resonance sensing device and nuclear magnetic resonance sensing method. A nuclea...
Invention Llc resonant converter circuit. An LLC resonant converter circuit (1) comprises: a resonant capac...
Invention Moving body power supply system and moving body device. An alternating current flows in a primar...
2022 Invention Antenna device and method for manufacturing the same. A method for manufacturing an antenna devi...
Invention Digitizing device and digitizing method. A physical field generator generates a magnetic field o...
Invention Measurement device and measurement method. A light receiving device receives fluorescence emitte...
Invention Nuclear magnetic resonance sensing device and nuclear magnetic resonance sensing method. A nucle...
Invention Transformer turns number testing circuit. Provided is a circuit capable of accurately testing th...
Invention Coil bobbin, coil component, and method of manufacturing coil bobbin. A coil bobbin includes a w...
Invention Measurement apparatus and measurement method. A light receiving device 13 receives fluorescence ...
Invention Surface mount coil component. Provided is a surface mount coil component comprising: a winding w...
Invention Magnetically coupled inductor and method of assembling the same. An annular-shaped spacer member...
Invention Output stabilizing circuit and dc/dc converter circuit. An output stabilization circuit (1) incl...
Invention Inverter circuit and electric field coupling non-contact power feeding device. An inverter circu...
Invention Coil component, coil device, and method for producing coil component. A coil component, in which...
2003 G/S Ear plugs, processed glass (not for building) included in this class, electric arc welding machi...
2002 G/S Electrical insulation products namely, insulated case or cover for electric coils and transformer...
G/S Provision of information relating to the business supply of electronic parts; business consultati...
2001 G/S Retail store services in the field of electronic parts all provided on line from a global communi...
G/S (Based on Use in Commerce) Retail store services, available through computer communications, feat...
G/S [ Electronic controls for anti-lock brake systems for automobiles and motorcycles ] Anti-lock bra...
G/S Anti lock brake apparatus for automobile and motorcycle; airbags (safety devices for automobiles)...
1996 G/S Electric wire reel (bobbin) for electric coil and transformers; electromagnetic shield case for e...
1994 G/S Transformers; power supply transformers for inverters, AC/DC converters, surtaking power supplies...
1992 G/S [ electric wire reel (bobbin) for electric coil and transformers; electromagnetic shield case for...
G/S [electric wire reel (bobbin) for electric coil and transformers; electromagnetic shield case for ...