Rohm Co., Ltd.

Japan


Create a watch for Rohm Co., Ltd.
Total IP 6,561
Total IP incl. subs 7,444 (+ 890 for subs)
Total IP Rank # 160
IP Activity Score 4.3/5.0    4,890
IP Activity Rank # 110
IP AS incl. subs 4.1/5.0    5,100
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,368 46
0 2
2,098 13
34
 
Last Patent 2025 - Semiconductor device and method ...
First Patent 1981 - Thermal printing head
Last Trademark 2025 - LASCA
First Trademark 1984 - ROHM

Subsidiaries

7 subsidiaries with IP (884 patents, 6 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Semiconductor device including insulation gate-type transistors. A semiconductor device includes...
Invention Semiconductor device. A semiconductor device includes a semiconductor layer having first and sec...
Invention Semiconductor device. A semiconductor device includes at least one terminal, and the terminal in...
Invention Power supply control apparatus and switching power supply including the same. A power supply con...
Invention Isolation transformer. An isolation transformer includes an insulation layer, a transformer, and...
Invention Semiconductor device. A semiconductor device includes a first conductive member having an island...
Invention Semiconductor device. A semiconductor device includes a first wiring layer, a semiconductor elem...
Invention Semiconductor device and vehicle. A semiconductor device includes: a conductive layer including ...
Invention Semiconductor device. A semiconductor device includes a semiconductor element, a second conducto...
Invention Semiconductor device. A semiconductor device includes a semiconductor element, a first resin por...
Invention Gate driver, insulation module, low-voltage circuit unit, and high-voltage circuit unit. A gate ...
Invention Semiconductor device, semiconductor device assembly, vehicle, and method for manufacturing semico...
Invention Semiconductor device. A semiconductor device includes an insulating support member, a first and ...
Invention Semiconductor package with plurality of leads and sealing resin. A semiconductor device includes...
Invention Driving circuit, signal transmission device, electronic device, and vehicle. For example, a driv...
Invention Isolation chip and method for manufacturing isolation chip. An insulation chip includes a substr...
Invention Semiconductor device. A semiconductor device includes a plurality of leads, a semiconductor elem...
Invention Semiconductor device. The semiconductor device includes a first lead on which the semiconductor ...
Invention Transformer chip. A transformer chip includes: an insulating layer having an upper surface and a...
Invention Semiconductor device. A semiconductor device includes an electric conductor, a semiconductor ele...
Invention Semiconductor device. A semiconductor device includes a semiconductor layer, a first conductor d...
Invention Semiconductor device. The present disclosure provides a semiconductor device. The semiconductor ...
Invention Magnetic sensor chip and magnetic sensor module. A magnetic sensor chip includes a detection coi...
Invention Nitride semiconductor device and method for manufacturing nitride semiconductor device. This nitr...
Invention Semiconductor device. A semiconductor device includes a source region extending along a Y axis d...
Invention Insulating chip and signal transmission device. An insulating chip includes a first coil and a s...
Invention Semiconductor device and method of manufacturing semiconductor device. A semiconductor device in...
Invention Semiconductor device and signal transmission device. An insulating chip includes a first via and...
G/S Electronic publication; semiconductors; semiconductor elements; electronic circuits; integrated c...
Invention Rectifier circuit. In a rectifier circuit, a bridge circuit rectifies an AC voltage. A voltage c...
Invention Rectifier circuit. A first input terminal IN and a second input terminal IN are connected to an ...
Invention Transconductance amplifier, controller circuit, and dc/dc converter including controller circuit....
Invention Semiconductor device. A semiconductor device includes: a semiconductor element; a sealing resin ...
Invention Semiconductor device. This semiconductor device is provided with: a first semiconductor element h...
Invention Driver, signal transmission device, electronic device, and vehicle. A driver includes: a drive c...
Invention Power supply controller and switching power supply. A power supply controller controlling an out...
Invention Semiconductor device. A semiconductor device includes a main conductive region, a first conducti...
Invention Bidirectional dc/dc converter, power interruption protection circuit, and semiconductor device. ...
Invention Oscillation circuit and power supply device. Provided is an oscillation circuit including a ramp...
Invention Sic composite substrate and method for manufacturing same. This SiC composite substrate (1) compr...
Invention Semiconductor device and method for manufacturing the same. A semiconductor device comprises a s...
Invention Semiconductor integrated circuit. A semiconductor integrated circuit includes: a high-side trans...
Invention Detection circuit, signal transmission device, electronic device, and vehicle. The detection cir...
Invention Controller, target, and communication system. A controller is configured to perform a serial com...
Invention Semiconductor device. Provided is a semiconductor device including a drive voltage generation ci...
Invention Autonomous travel device and obstacle detection method for autonomous travel device. This autonom...
Invention Semiconductor device, temperature compensation method for semiconductor device, and inspection me...
Invention Nitride semiconductor device and manufacturing method therefor. This nitride semiconductor device...
Invention Sic composite substrate and manufacturing method therefor. The present invention comprises: a SiC...
Invention Sic composite substrate and method for manufacturing same. This method for manufacturing a SiC co...
Invention Semiconductor device. This semiconductor device comprises: a semiconductor layer; a first trench ...
2024 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...