Rohm Co., Ltd.

Japan


 
Total IP 6,410
Total IP incl. subs 7,339 (+ 935 for subs)
Total IP Rank # 161
IP Activity Score 4.3/5.0    4,887
IP Activity Rank # 109
IP AS incl. subs 4.1/5.0    5,163
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,219 45
0 2
2,098 12
34
 
Last Patent 2025 - Semiconductor device
First Patent 1981 - Thermal printing head
Last Trademark 2025 - LASCA
First Trademark 1984 - ROHM

Subsidiaries

7 subsidiaries with IP (929 patents, 6 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Semiconductor device, electric power conversion unit and method for manufacturing semiconductor d...
Invention Semiconductor device. A semiconductor device includes a chip that has a main surface, a trench r...
G/S Electronic publication; semiconductors; semiconductor elements; electronic circuits; integrated c...
Invention Semiconductor module. A semiconductor module includes a conductive substrate, a plurality of fir...
Invention Method for manufacturing nitride semiconductor device and nitride semiconductor device. A method...
2024 Invention Current mode control type switching power supply device. A switching power supply device include...
Invention Sic semiconductor device. An SiC semiconductor device includes an SiC semiconductor layer includ...
Invention Cooler and cooling structure for semiconductor device. A cooler includes: a housing that include...
Invention Nitride semiconductor device. The present invention provides a nitride semiconductor device, inc...
Invention Wafer structure and method for manufacturing semiconductor devices. The wafer structure includes...
Invention Resistor mounting structure. A mounting structure includes: a substrate; a conductive portion (a...
Invention Semiconductor device. A semiconductor device includes a semiconductor layer of a first conductiv...
Invention Semiconductor device with improved heat dissipation. A semiconductor device includes a lead fram...
Invention Semiconductor device. This semiconductor device comprises a substrate, a plurality of substrate t...
Invention Semiconductor device. This semiconductor device comprises: a first chip mounted on a first die pa...
Invention Semiconductor module manufacturing device and semiconductor module manufacturing method. This sem...
Invention Terahertz system and control device. This terahertz system includes: a transmission device that i...
Invention Semiconductor device and vehicle. This semiconductor device comprises a first terminal, a second ...
Invention Semiconductor device and vehicle. This semiconductor device includes a first terminal and a first...
Invention Active clamp circuit, semiconductor device, electronic apparatus, and vehicle. An active clamp ci...
Invention Semiconductor device, signal transmission device, electronic apparatus, and vehicle. A semiconduc...
G/S Semiconductors; semiconductor elements, namely, semiconductor chip sets, semiconductor wafers; in...
Invention Power control unit. This power control unit includes: a plurality of power modules; and a mountin...
Invention Semiconductor device. This semiconductor device comprises: a plurality of terminals that include ...
Invention Circuit system. A first integrated circuit and a second integrated circuit are coupled via a sin...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
Invention Semiconductor device. A semiconductor device according to the present invention comprises at leas...
Invention Semiconductor device, semiconductor module, led drive device, dc/dc converter, and vehicle. A se...
Invention Semiconductor integrated circuit device and power supply device. A semiconductor integrated circ...
Invention Semiconductor device and method for manufacturing semiconductor device. A semiconductor device i...
Invention Semiconductor device. This semiconductor device comprises: a semiconductor substrate 1; an insula...
Invention Semiconductor device. This semiconductor device includes: a chip having a major surface; a trench...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; a pad reg...
Invention Semiconductor device. A semiconductor device includes: a chip which has a main surface; an active...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; an active...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; a drift r...
Invention Semiconductor device, and package of semiconductor device. This semiconductor device is configure...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; a semicon...
Invention Gate driver circuit, motor drive device using same, and electronic device. A gate driver circuit...
Invention Semiconductor device, electronic apparatus and vehicle. The present disclosure provides a semico...
Invention Semiconductor light emitting device. A semiconductor light emitting device includes: a surface e...
Invention Thermal printing head, thermal printing system, and method for manufacturing thermal printing hea...
Invention Semiconductor device. This semiconductor device is provided with: a first lead that includes a fi...
Invention Semiconductor device. This semiconductor device includes: a chip that has a main surface; a semic...
Invention Signal transmission device, electronic device provided with signal transmission device, and vehic...
Invention Signal transmission apparatus, electronic device provided with signal transmission apparatus, and...
Invention Semiconductor module. This semiconductor module includes a substrate, an encapsulating resin, a f...
Invention Semiconductor device. This semiconductor device includes: a first impurity region, a second impur...
G/S Semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
Invention Resistance circuit, voltage detection device, electronic apparatus, and vehicle. This resistance ...
Invention Semiconductor light emitting device. A semiconductor light emitting device comprises a current c...
Invention Mems accelerometer with horizontal sense fingers. A micro-electromechanical systems (MEMS) Z-axi...
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...
G/S Electrical power distributors; electric current control devices; power distribution or control m...