Rohm Co., Ltd.

Japon


 
Quantité totale PI 6 409
Quantité totale incluant filiales 7 343 (+ 940 pour les filiales)
Rang # Quantité totale PI 158
Note d'activité PI 4,3/5.0    4 902
Rang # Activité PI 110
Activité incl filiales 4,1/5.0    5 188
Symbole boursier
ISIN JP3982800009
Capitalisation 948630000000.0  (JPY)
Industrie Semiconductors
Secteur Technology
Classe Nice dominante Appareils et instruments scienti...

Brevets

Marques

4 227 45
0 3
2 088 12
34
 
Dernier brevet 2025 - Electronic component
Premier brevet 1981 - Thermal printing head
Dernière marque 2025 - LASCA
Première marque 1971 - R.OHM

Filiales

7 subsidiaries with IP (934 patents, 6 trademarks)

2 subsidiaries without IP

 S'inscrire grtuitement pour accéder à la liste des filiales

Industrie (Classification de Nice)

Derniers inventions, produits et services

2025 P/S Electronic publication; semiconductors; semiconductor elements; electronic circuits; integrated c...
2024 Invention Semiconductor device and method for producing same. A semiconductor device has an electrode stru...
Invention Electronic component. An electronic component of the present disclosure includes a first insulat...
Invention Nitride semiconductor device. A nitride semiconductor device includes a first nitride semiconduc...
Invention Light-emitting element drive system and light-emitting element drive device. Provided is a light...
Invention Usb interface circuit. A pull-up circuit contains a variable current source structured to supply...
Invention Semiconductor device. A semiconductor device includes an insulating layer, a barrier electrode l...
Invention Power semiconductor device and boost converter. A power semiconductor device used in a boost con...
Invention Semiconductor device. A semiconductor device includes a first wire, a first semiconductor elemen...
Invention Semiconductor device. A semiconductor device includes a plurality of first switching parts, a fi...
Invention Semiconductor device. A semiconductor device includes a semiconductor element and a first connec...
Invention Joint structure, semiconductor device, and joining method. A joint structure includes a first an...
Invention Semiconductor device and method for manufacturing semiconductor device. A semiconductor device i...
Invention Overcurrent protection circuit. In order both to accommodate instantaneous current as well as ov...
Invention Gate drive circuit, power good circuit, overcurrent detection circuit, oscillation prevention cir...
Invention Semiconductor device. A semiconductor device includes a semiconductor chip that has a main surfa...
Invention Pulse transmission circuit, signal transmission device, and electronic apparatus. A pulse transm...
Invention Bootstrap circuit, power supply device, and vehicle. A bootstrap circuit includes a first switch...
Invention Linear regulator, semiconductor device, and switching power supply. A linear regulator includes:...
Invention Nitride semiconductor device comprising layered structure of active region and method for manufac...
Invention Semiconductor device. A semiconductor device includes a semiconductor element circuit, a conduct...
P/S Semiconductors; semiconductor elements, namely, semiconductor chip sets, semiconductor wafers; in...
Invention Power conversion circuit. In a power conversion circuit, a first end of an inductor is connected...
Invention Linear power source circuit. A linear power source circuit includes: an input unit to which an i...
Invention Electronic device and method for manufacturing electronic device. This electronic device includes...
Invention Power supply control device and switching power supply apparatus. In a switching power supply ap...
Invention Macro model, circuit design simulation program including macro model and circuit design simulator...
Invention Semiconductor device. This semiconductor device comprises: a main transistor that has a main surf...
Invention Insulating substrate. An insulating substrate comprises a ceramic substrate having a major surfa...
Invention Semiconductor package. Provided is a semiconductor package including a Si substrate, a drift lay...
Invention Simulation apparatus and program. A simulation apparatus comprises a model storage unit storing ...
Invention Power supply control device and power supply device. A power supply control device includes a fe...
P/S Semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
Invention Hall element and manufacturing method thereof, and semiconductor device. The present disclosure ...
Invention Nitride semiconductor device. A nitride semiconductor device includes an electron transit layer,...
Invention Semiconductor device. This semiconductor device includes: a base impurity region of a second cond...
Invention Nitride semiconductor device and manufacturing method thereof. The present disclosure provides a...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; a body re...
Invention Photodiode. A photodiode comprises a substrate and a semiconductor stack. The substrate has a ma...
Invention Chip resistor and electronic circuit device. A chip resistor includes: an insulating substrate h...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
Invention Semiconductor device, vehicle, and method for manufacturing semiconductor device. This semiconduc...
Invention Method for producing semiconductor device, and semiconductor device. A method for producing a sem...
Invention Thermal print head and method for manufacturing thereof. The present disclosure provides a therm...
Invention Semiconductor device. This semiconductor device is provided with a first lead, a semiconductor el...
Invention Overcurrent protection circuit, semiconductor device, electronic equipment, and vehicle. An overc...
Invention Signal transmission apparatus, electronic device, and vehicle. A signal transmission apparatus 40...
Invention Semiconductor device. This semiconductor device comprises a first terminal, a second terminal, a ...
Invention Semiconductor device. A semiconductor device includes: a first chip including a first semiconduc...
Invention Semiconductor device. A semiconductor device includes: a first chip including a first circuit; a...
Invention Semiconductor device. This semiconductor device includes a semiconductor element including a surf...
P/S semiconductor testing apparatus; semiconductor inspection apparatus; semiconductor memory inspect...
P/S Semiconductor testing apparatus; downloadable electronic publications in the nature of books, mag...
P/S micro-electro-mechanical devices, namely, sensors and electric actuators; acceleration sensors; a...
P/S Micro-electro-mechanical devices, namely, sensors and electric actuators; acceleration sensors; a...
P/S semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
2023 P/S electronic circuits; integrated circuits; large-scale integrated circuits; semiconductors; semico...
P/S Electronic circuits; integrated circuits; large-scale integrated circuits; semiconductors; semico...
P/S vertical cavity surface emitting lasers [VCSELs]; semiconductor light emitting devices; semicondu...
P/S Vertical cavity surface emitting lasers (VCSELs) for the measuring and monitoring of scientific a...
P/S Semiconductors; integrated circuit chips; microprocessors; semiconductor devices; semiconductor c...
P/S Semiconductors; integrated circuit chips, namely, electronic chips for the manufacture of integra...
P/S Electronic circuits; integrated circuits; large-scale integrated circuits
P/S Telecommunication machines and apparatus, namely, transmitters and receivers for autonomous mobil...
Invention Semiconductor light emitting module
P/S power modules; semiconductor modules; integrated circuit modules.
P/S Power modules comprised of electrical switches for car traction inverters; semiconductor modules;...
P/S Downloadable virtual goods, namely, computer programs featuring electronic components in the natu...
P/S Computer programs in online virtual worlds; downloadable virtual goods, namely, computer programs...
P/S Telecommunication machines and apparatus; radio communication machines and apparatus; vehicular r...
2022 P/S Semiconductor devices; integrated circuits; switches; semiconductor switches; intelligent power ...
P/S Semiconductor devices; integrated circuits; electric switches; semiconductor switches in the natu...
P/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; elect...
P/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; measur...
P/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; gate d...
P/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; microc...
P/S Integrated circuit chips; microprocessors; semiconductor devices; semiconductor chips; semiconduc...
P/S integrated circuit chips; microprocessors; semiconductor devices; semiconductor chips; semiconduc...
2021 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 Fire alarms; gas alarms; railway signal apparatus, luminous or mechanical; vehicle breakdown warn...
P/S Fire alarms; gas alarms; anti-theft warning apparatus; railway signal apparatus, luminous or mec...
P/S AC-DC converters; DC-DC converters, LED drivers; filters for removing electromagnetic ray; over c...
P/S Electrical power distributors; electric current control devices; power distribution or control m...