Rohm Co., Ltd.

Japan


 
Total IP 6,428
Total IP incl. subs 7,346 (+ 924 for subs)
Total IP Rank # 163
IP Activity Score 4.3/5.0    4,880
IP Activity Rank # 108
IP AS incl. subs 4.1/5.0    5,138
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,231 46
0 2
2,102 13
34
 
Last Patent 2025 - Electric power supply control de...
First Patent 1981 - Thermal printing head
Last Trademark 2025 - LASCA
First Trademark 1984 - ROHM

Subsidiaries

7 subsidiaries with IP (918 patents, 6 trademarks)

2 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 G/S Electronic publication; semiconductors; semiconductor elements; electronic circuits; integrated c...
Invention Electric power supply control device and switching electric power supply. An electric power supp...
Invention Semiconductor device and method for manufacturing the same. A semiconductor device includes a se...
Invention Semiconductor device. A semiconductor device comprises a heat dissipation member, an insulative ...
Invention Signal transmission device, electronic device, and vehicle. A signal transmission device transmi...
Invention Semiconductor device, method of manufacturing semiconductor device, and module. There is provide...
Invention Semiconductor power module. A semiconductor power module including an insulating substrate havin...
Invention Semiconductor device and method for manufacturing the same. A semiconductor device is provided w...
Invention Terahertz element and semiconductor device. A terahertz element of an aspect of the present disc...
Invention Semiconductor device. A semiconductor device includes a plurality of leads, a semiconductor elem...
Invention Semiconductor device, electronic device and vehicle. A semiconductor device includes an output s...
Invention Semiconductor device. A semiconductor device includes a semiconductor element, a first lead incl...
Invention Semiconductor device and method for manufacturing semiconductor device. A semiconductor device i...
Invention Semiconductor device. A semiconductor device includes: a main substrate including a first main m...
Invention Semiconductor device, and method for manufacturing semiconductor device. To provide a semiconduc...
Invention Semiconductor device. A semiconductor device including a gate electrode layer embedded in a gate...
Invention Semiconductor device having a gate insulating layer. A semiconductor device includes a semicondu...
Invention Signal transmitting apparatus. An output terminal is connected to an application terminal of a p...
Invention Abnormality detection circuit, motor drive device, motor system, and vehicle. This abnormality d...
Invention Signal transmission device, electronic appliance, and vehicle. A signal transmission device 100 ...
2024 Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; and a tre...
Invention Semiconductor device. This semiconductor device comprises: a semiconductor layer of a first condu...
Invention Semiconductor device. This semiconductor device includes an n-type semiconductor layer, a p-type ...
Invention Semiconductor device. This semiconductor device includes: a first-conductivity-type semiconductor...
Invention Semiconductor device. A semiconductor device comprising: a semiconductor layer of a first conduct...
Invention Semiconductor device. This semiconductor device includes: a chip; a plurality of first conductive...
Invention Semiconductor device. This semiconductor device includes: a chip that has a first main surface on...
Invention Semiconductor device. A semiconductor device according to the present invention includes a chip, ...
Invention Semiconductor device. This semiconductor device includes: a chip having a first main surface on w...
Invention Semiconductor device. This semiconductor device comprises: a chip that has a first main surface i...
Invention Semiconductor device. This semiconductor device includes: a pad that is formed on a first main su...
Invention Semiconductor device. This semiconductor device includes a chip, a first conductive structure for...
Invention Semiconductor device, semiconductor package, and method for manufacturing semiconductor device. T...
Invention Oscillator circuit. A first current source and a second current source generate a first current ...
Invention Semiconductor light-emitting device. A semiconductor light-emitting device (100) is provided with...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
Invention Semiconductor device. A semiconductor device according to the present invention includes: a semic...
Invention Semiconductor light-emitting device. A semiconductor light-emitting device (10) comprises: a subs...
Invention Drive circuit for high-side transistor, switching circuit, and controller circuit for dc/dc conve...
Invention Exciter module and method for manufacturing exciter module. This exciter module comprises: a supp...
Invention Switching control circuit and switching power supply apparatus. This switching control circuit is...
Invention Gate driver circuit, motor drive device using same, and electronic apparatus. A gate driver circ...
Invention Semiconductor device and method for manufacturing semiconductor device. A semiconductor device A1...
Invention Semiconductor device. This semiconductor device is provided with a first heat dissipation member,...
Invention Semiconductor device. This semiconductor device comprises a first lead having a first island, a s...
Invention Semiconductor device. This semiconductor device comprises one or more switching elements, a suppo...
Invention Intelligent power module and semiconductor module. This intelligent power module is provided with...
Invention Semiconductor device, method for manufacturing semiconductor device, inverter device, and vehicle...
Invention Signal generation circuit, drive circuit, power conversion device, and vehicle. A signal generati...
G/S Semiconductors; semiconductor elements, namely, semiconductor chip sets, semiconductor wafers; in...
G/S Semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
G/S semiconductor testing apparatus; semiconductor inspection apparatus; semiconductor memory inspect...
G/S Semiconductor testing apparatus; downloadable electronic publications in the nature of books, mag...
G/S micro-electro-mechanical devices, namely, sensors and electric actuators; acceleration sensors; a...
G/S Micro-electro-mechanical devices, namely, sensors and electric actuators; acceleration sensors; a...
G/S semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
2023 G/S electronic circuits; integrated circuits; large-scale integrated circuits; semiconductors; semico...
G/S Electronic circuits; integrated circuits; large-scale integrated circuits; semiconductors; semico...
G/S vertical cavity surface emitting lasers [VCSELs]; semiconductor light emitting devices; semicondu...
G/S Vertical cavity surface emitting lasers (VCSELs) for the measuring and monitoring of scientific a...
G/S Semiconductors; integrated circuit chips; microprocessors; semiconductor devices; semiconductor c...
G/S Semiconductors; integrated circuit chips, namely, electronic chips for the manufacture of integra...
G/S Electronic circuits; integrated circuits; large-scale integrated circuits
G/S Telecommunication machines and apparatus, namely, transmitters and receivers for autonomous mobil...
G/S power modules; semiconductor modules; integrated circuit modules.
G/S Power modules comprised of electrical switches for car traction inverters; semiconductor modules;...
G/S Downloadable virtual goods, namely, computer programs featuring electronic components in the natu...
G/S Computer programs in online virtual worlds; downloadable virtual goods, namely, computer programs...
G/S Telecommunication machines and apparatus; radio communication machines and apparatus; vehicular r...
2022 G/S Semiconductor devices; integrated circuits; switches; semiconductor switches; intelligent power ...
G/S Semiconductor devices; integrated circuits; electric switches; semiconductor switches in the natu...
G/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; elect...
G/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; measur...
G/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; gate d...
G/S Semiconductors; electronic circuits; integrated circuits; large-scale integrated circuits; microc...
G/S Integrated circuit chips; microprocessors; semiconductor devices; semiconductor chips; semiconduc...
G/S integrated circuit chips; microprocessors; semiconductor devices; semiconductor chips; semiconduc...
2021 G/S Power controllers; electric transformers; inverters [electricity]; switches, electric; integrated...
G/S Power controllers; electric transformers; electric inverters; switches, electric; integrated circ...
G/S Fire alarms; gas alarms; railway signal apparatus, luminous or mechanical; vehicle breakdown warn...
G/S Fire alarms; gas alarms; anti-theft warning apparatus; railway signal apparatus, luminous or mec...
G/S AC-DC converters; DC-DC converters, LED drivers; filters for removing electromagnetic ray; over c...