Rohm Co., Ltd.

Japon


 
Quantité totale PI 4 412
Quantité totale incluant filiales 5 829 (+ 1 422 pour les filiales)
Rang # Quantité totale PI 214
Note d'activité PI 4/5.0    2 766
Rang # Activité PI 218
Activité incl filiales 3,8/5.0    3 325
Symbole boursier
ISIN JP3982800009
Capitalisation 1186560000000.0  (JPY)
Industrie Semiconductors
Secteur Technology
Classe Nice dominante Appareils et instruments scienti...

Brevets

Marques

3 036 19
24 2
1 310 7
14
 
Dernier brevet 2021 - Power module semiconductor devic...
Premier brevet 1981 - Thermal printing head
Dernière marque 2021 - ComfySIL
Première marque 1971 - R.OHM

Filiales

8 subsidiaries with IP (1415 patents, 7 trademarks)

1 subsidiaries without IP

 S'inscrire grtuitement pour accéder à la liste des filiales

Industrie (Classification de Nice)

Derniers inventions, produits et services

2021 P/S Measuring or testing machines and instruments; comparators; electronic machines, apparatus and th...
Invention Semiconductor device. The semiconductor device of the present invention includes a first conduct...
Invention Control circuit of light emitting and receiving device. A light emitting and receiving device in...
Invention Power control device. A power control device includes: an output voltage controller configured t...
Invention Trench-type insulated gate semiconductor device including an emitter trench and an overlapped flo...
2020 Invention Method for measuring current-voltage characteristic. A method for measuring a current-voltage ch...
Invention Linear power supply circuit. A linear power supply circuit, includes: output transistor between ...
Invention Semiconductor device comprising pn junction diode and schottky barrier diode. A semiconductor de...
Invention Power module semiconductor device and inverter equipment, and fabrication method of the power mod...
Invention Camera system, controller thereof, automobile, and deserializer circuit. A controller controls m...
Invention Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicle. A po...
Invention Semiconductor device. A semiconductor device includes a plurality of leads, a semiconductor elem...
Invention Voltage comparator. Disclosed herein is a voltage comparator including a first capacitor, a firs...
Invention Semiconductor device for non-isolated buck converter, non-isolated buck converter, and power supp...
P/S Electronic circuits; Integrated circuits; Large-scale integrated circuits; Microcontrollers; Micr...
Invention Control device of power factor correction circuit, power factor correction circuit, power supply ...
Invention Semiconductor device. A semiconductor device according to the present invention is provided with:...
Invention Semiconductor device. A semiconductor device according to the present invention comprises: a subs...
P/S Electronic circuits; integrated circuits; large-scale integrated circuits; microcontrollers; micr...
Invention Communication device and communication system. Provided is a communication system which uses a pu...
Invention Trace circuit, semiconductor device, tracer, and trace system. This trace circuit is integrated i...
Invention Switching power supply device. A switching power supply device includes first to fourth switches...
Invention Terahertz device. A terahertz device (A1) comprises a terahertz element (50) that allows oscillat...
Invention Data storage circuit and electronic apparatus. Disclosed is a data storage circuit that stores t...
Invention Gate driver circuit, motor driver circuit, and hard disk apparatus. A gate driver circuit drives...
Invention Audio circuit. 1N1N1NN.
Invention Semiconductor device, electronic component, and electronic component production method. A semicon...
Invention Semiconductor device. This semiconductor device comprises: a chip; an electrode formed on the chi...
Invention Semiconductor device. A semiconductor device comprising: a semiconductor chip having a principal ...
Invention Semiconductor device. Disclosed is a semiconductor device including a semiconductor layer having...
Invention Crosstalk correction method and actuator driver. 0000000 of the movable part due to the shake cor...
Invention Switching power supply device. A main control circuit includes a PWM comparator that compares a ...
Invention Switching control circuit and switching power supply apparatus. POFFOFF), a turn-off instruction ...
Invention Semiconductor device. This semiconductor device comprises: a semiconductor substrate of a first c...
Invention Diode chip. The present disclosure provides a diode chip capable of attaining excellent electric...
Invention Semiconductor device. Provided is a semiconductor device (1A) comprising: a semiconductor element...
Invention Laser diode drive circuit. This laser diode drive circuit is provided with a switching element, a...
Invention Terminal and semiconductor device. There is provided a terminal that includes a first conductive...
Invention Semiconductor light-emitting device. Provided is a semiconductor light-emitting device comprising...
Invention Semiconductor light emitting device. A semiconductor light emitting device includes a main lead,...
Invention Power supply device. In a step-down switching power supply device (1), an output transistor (M1) ...
P/S Print heads for document printers; Thermal print heads for document printers; Computer peripheral...
P/S Print heads for printers; Thermal print heads; Computer peripheral devices; Electronic circuits; ...
Invention Semiconductor apparatus. The present invention provides a diode chip, including: a semiconductor...
Invention Power conversion circuit, power module, converter, and inverter. Provided is a power conversion c...
Invention Switching power-supply circuit. This switching power-supply circuit (100XA) has: switching elemen...
P/S power controllers; electric transformers; inverters [electricity]; switches, electric; integrated...
P/S Power controllers; electric transformers; electric inverters; switches, electric; integrated circ...
P/S Semiconductor devices; electronic circuits; integrated circuits; large-scale integrated circuits;...
P/S Semiconductor devices; electronic circuits; integrated circuits; large-scale integrated circuits...
2019 P/S Electronic circuits; integrated circuits; large-scale integrated circuits
P/S Electronic circuits; integrated circuits; large-scale integrated circuits.
Invention Packaged semiconductor module
Invention Systems and methods for growth of silicon carbide over a layer comprising graphene and/or hexagon...
P/S Semiconductor elements, namely, chips, wafers and memories; integrated circuits; large-scale inte...
Invention Semiconductor module. A semiconductor module includes a semiconductor device and bus bar. The de...
P/S Semiconductor elements; integrated circuits; large-scale integrated circuits; switching regulator...
P/S DC/DC converters; semiconductor elements, namely, chips, wafers and memories; integrated circuits...
P/S DC/DC converters; Semi-conductor elements; Integrated circuits; Large scale integrated circuits; ...
Invention Semiconductor device. A semiconductor device includes a semiconductor element and a first connec...
Invention Semiconductor device and semiconductor device identification method. A semiconductor device 1a i...
Invention Light-emitting element driving control device and light-emitting element driving circuit device. ...
Invention Semiconductor device and power module. A semiconductor device includes an upper switching elemen...
2018 P/S Providing technical information in the field of semiconductor manufacturing Providing technical i...
Invention Current sense circuit. A current limiter 200 (corresponding to an example of a current detection...
Invention Semiconductor device. The present disclosure provides a semiconductor device. The semiconductor ...
2017 P/S DC/DC converters; semi-conductor elements; integrated circuits; large scale integrated circuits.
P/S DC/DC converters; Semi-conductor elements, namely, diodes, transistors, semi-conductor chips wafe...
P/S DC/DC converters; semi-conductor elements; integrated circuits; large scale integrated circuits;...
P/S DC/DC converters; semi-conductor elements, namely, diodes, transistors, semi-conductor chips wafe...
2015 P/S Electric resistors; Electric transformers; Electric power distribution units and electronic contr...
2014 P/S Pharmaceutical preparations and other preparations for destroying vermin, fungicides, herbicides...
P/S Preparations in the nature of pesticides, fungicides and herbicides; diagnostic preparations for ...
2013 P/S Amplifiers; [electron tubes;] semiconductor devices; electronic circuits
P/S Amplifier; [ electron tubes; ] semiconductor devices; electronic circuits
P/S Amplifiers; telecommunication machines and apparatus; electronic machines, apparatus and their p...
P/S Amplifier; telecommunication machines and apparatus; electronic machines, apparatus and their pa...
2011 P/S AC-DC converters; DC-DC converters, LED drivers; filters for removing electromagnetic ray; over ...
2010 P/S AC-DC power converters; DC-DC power converters; power supplies for lights, namely, LED drivers; f...
P/S AC-DC converters; DC-DC converters; LED drivers; filters for removing electromagnetic ray; overcu...
P/S Electric lamps and other lighting apparatus; household electrothermic appliances; electric lamps ...
2008 P/S Light-emitting diodes; chip light-emitting diodes; through-hole light-emitting diodes; light-emit...
2007 P/S Light-emitting diodes; chip light-emitting diodes;[ through-hole light-emitting diodes; light-emi...
P/S Light-emitting diodes; [ chip light-emitting diodes; ] through-hole light-emitting diodes [; ligh...
P/S Telecommunication apparatus and equipments, and parts and fittings thereof; photocopying apparatu...
2003 P/S integrated circuits; monolithic integrated circuits; large-scale integrated circuits; electricity...
1996 P/S Semi-conductors, diodes, light-emitting diodes, laser diodes, thermistors, integrated circuits, l...
1984 P/S Semi-conductors, namely diodes, light-emitting diodes, transisters and thermisters; integrated ci...
1971 P/S Fixed electrical resistors. Electrical resistors.