Rohm Co., Ltd.

Japan


Create a watch for Rohm Co., Ltd.
Total IP 6,480
Total IP incl. subs 7,382 (+ 908 for subs)
Total IP Rank # 162
IP Activity Score 4.3/5.0    4,918
IP Activity Rank # 106
IP AS incl. subs 4.1/5.0    5,153
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,273 46
0 2
2,112 13
34
 
Last Patent 2025 - Tvs diode
First Patent 1981 - Thermal printing head
Last Trademark 2025 - LASCA
First Trademark 1984 - ROHM

Subsidiaries

7 subsidiaries with IP (902 patents, 6 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Motor drive device, motor system, and vehicle. In the present invention, an abnormality detectio...
Invention Semiconductor module and power conversion unit. A semiconductor module may include a semiconduct...
Invention Semiconductor device. A semiconductor device provided with first and second semiconductor elemen...
Invention Semiconductor device. A semiconductor device includes a first semiconductor element, a plurality...
G/S Electronic publication; semiconductors; semiconductor elements; electronic circuits; integrated c...
Invention Semiconductor device. A semiconductor device includes a chip that has a main surface, a trench t...
Invention Semiconductor device. A semiconductor device includes a first conductivity type semiconductor la...
Invention Semiconductor device and method for manufacturing semiconductor device. A semiconductor device i...
Invention Semiconductor device and electric power conversion unit. The semiconductor device includes a sem...
Invention Semiconductor device including a lead and a sealing resin. There is provided a technique that in...
Invention Power module semiconductor device and inverter equipment, and fabrication method of the power mod...
Invention Autonomous moving apparatus and composite unit of speaker-microphone for autonomous moving appara...
Invention Semiconductor device. A semiconductor device includes: a substrate; a device region provided on ...
Invention Semiconductor device. A semiconductor device includes a semiconductor element, a plurality of le...
Invention Electronic device. An electronic device comprises an electronic component, a sealing resin and a...
Invention Signal transmission device, electronic device incorporating the signal transmission device, and v...
Invention Semiconductor device and electronic device including same. A semiconductor device includes: a se...
Invention Tvs diode. A semiconductor chip of a TVS diode includes a first pin junction portion of a first ...
Invention Semiconductor device and method for manufacturing a semiconductor device. A semiconductor device...
Invention Semiconductor device and method for manufacturing the same. A semiconductor device includes a se...
Invention Tvs diode. A semiconductor chip of a TVS diode includes a first surface and a second surface at ...
Invention Semiconductor device. A semiconductor device includes a first switching element having a first g...
Invention Electronic device. An electronic device including a first electronic component, a sealing resin,...
Invention Semiconductor device and method for manufacturing the same. A semiconductor device includes a co...
Invention Adjustment circuit and adjustment method using the same, current adjustment circuit and current a...
Invention Semiconductor device. A semiconductor device includes an insulating layer formed on a semiconduc...
Invention Semiconductor element and semiconductor device. A semiconductor element includes a main body wit...
Invention Semiconductor device. This semiconductor device comprises a semiconductor element, an electricall...
Invention Semiconductor device. This semiconductor device includes a first power terminal, a second power t...
Invention Semiconductor device, power conversion unit, and vehicle. This semiconductor device is provided w...
Invention Semiconductor composite substrate and method for manufacturing the same. In this invention, a SiC...
Invention Method for manufacturing semiconductor module, and semiconductor module. This method for manufact...
Invention Semiconductor device. This semiconductor device includes: a semiconductor region of a first condu...
Invention Semiconductor apparatus. This semiconductor apparatus includes: an active region provided on the ...
Invention Semiconductor device. A semiconductor device includes: a first diffusion region of an n-type for...
Invention Semiconductor device. A semiconductor device includes: a semiconductor layer of a first conducti...
Invention Semiconductor device. A semiconductor device A1 comprises a first semiconductor element 9A, a sec...
Invention Battery management system and battery management method. A battery management system includes mu...
Invention Semiconductor device. A semiconductor device includes a conductive member, a semiconductor eleme...
Invention Sic composite substrate and method for manufacturing same. This SiC composite substrate comprises...
Invention Power loss protection circuit, data storage module, and server. A power loss protection circuit ...
Invention Driver circuit and image display system. A driver circuit that displays received display data on...
Invention Semiconductor device. This semiconductor device includes: a substrate of a first conductivity typ...
Invention Semiconductor module and method for manufacturing semiconductor module. A semiconductor module ac...
Invention Semiconductor device. This semiconductor device includes: a first region which has a first conduc...
Invention Semiconductor device and vehicle. This semiconductor device is provided with a conductive member ...
Invention Semiconductor device. This semiconductor device comprises: a first semiconductor element that has...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
Invention Production method for semiconductor device, semiconductor device, and vehicle. A semiconductor de...
Invention Semiconductor device and semiconductor device assembly. This semiconductor device comprises: a su...
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...