Rohm Co., Ltd.

Japan


Create a watch for Rohm Co., Ltd.
Total IP 6,665
Total IP incl. subs 7,537 (+ 879 for subs)
Total IP Rank # 159
IP Activity Score 4.3/5.0    4,926
IP Activity Rank # 109
IP AS incl. subs 4.1/5.0    5,124
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,467 46
0 2
2,103 13
34
 
Last Patent 2026 - Device module, network device, a...
First Patent 1981 - Thermal printing head
Last Trademark 2025 - LASCA
First Trademark 1984 - ROHM

Subsidiaries

7 subsidiaries with IP (873 patents, 6 trademarks)

2 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Semiconductor device including terminal electrodes. The semiconductor device includes a semicond...
Invention Method for manufacturing semiconductor device and semiconductor device. A method for manufacturi...
Invention Semiconductor device. A semiconductor device includes a semiconductor layer having a main surfac...
Invention Sic semiconductor device. An SiC semiconductor device includes an SiC semiconductor layer includ...
Invention Semiconductor power device and method for producing same. A method for producing a semiconductor...
Invention Power module. A power module includes a insulation substrate, a first and a second input termina...
Invention Semiconductor device and method of manufacturing semiconductor device. A semiconductor device in...
Invention Semiconductor device. A semiconductor device includes a substrate, a conductive section, a seali...
Invention Manufacturing method for semiconductor device and wafer support structure. A manufacturing metho...
Invention Semiconductor device. A semiconductor device includes a chip that has a main surface, a high con...
Invention Semiconductor device and manufacturing method for same. A semiconductor device includes a chip t...
Invention Vdmos having a gate electrode formed on a gate insulating film comprising a thick portion and a t...
Invention Semiconductor device and manufacturing method for semiconductor device. The semiconductor device...
Invention Semiconductor device. A semiconductor device includes: a semiconductor chip having a principal s...
Invention Semiconductor device. A semiconductor device includes one and the other wiring groups that are a...
Invention Semiconductor device. The semiconductor device includes an element support, first and second sem...
Invention Power supply control device, switching power supply, and electronic apparatus. A power supply co...
Invention Power supply control device, power supply device, and electronic apparatus. A power supply contr...
Invention Capacitor. A capacitor includes a semiconductor substrate including a first substrate surface, a...
Invention Device module, network device, and vehicle. A device module is provided, which includes a commun...
Invention Driving device, electronic device, and vehicle. A driving device includes: for example, a supply...
Invention Semiconductor device and power supply device. Provided is a semiconductor device including an ex...
Invention Signal transmission device and switching device. A signal transmission device includes a primary...
Invention Semiconductor device and communication system. In a semiconductor device, a first receiving sect...
Invention Step-up dc/dc converter and semiconductor device. Provided is a step-up DC/DC converter includin...
Invention Sensor element and semiconductor wafer. A sensor element according to the present invention compr...
Invention Semiconductor device and semiconductor device assembly. This semiconductor device comprises a sup...
Invention Semiconductor device and switching device. In a target transistor, a first conductive electrode,...
Invention Mems device. A MEMS device includes a substrate having a front surface and a rear surface, a rec...
Invention Power loss protection controller circuit, power loss protection circuit, and data storage. A pow...
Invention Semiconductor device. This semiconductor device includes: a chip including a trench, a first impu...
Invention Semiconductor device, switching power supply device, composite power supply device, and linear ic...
Invention Semiconductor composite substrate, semiconductor device, and method for manufacturing semiconduct...
Invention Semiconductor device and communication system. In a semiconductor device, when bridge selection ...
Invention Semiconductor device manufacturing method and semiconductor device. This semiconductor device man...
Invention Electric power supply device and output voltage setting method. An electric power supply device (...
Invention Gate driver circuit, power supply control circuit, and power supply device. A gate driver circui...
Invention Sic composite substrate, method for manufacturing sic composite substrate, and semiconductor devi...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; a first p...
Invention Semiconductor device. This semiconductor device comprises a plurality of mesa parts including fir...
Invention Semiconductor device. This semiconductor device comprises: a MIS transistor structure including a...
Invention Semiconductor integrated circuit. A semiconductor integrated circuit includes a test target circ...
Invention Terahertz device. This terahertz device includes: a substrate including a substrate surface; an a...
Invention Semiconductor device and communication system. A semiconductor device comprises a receiving sect...
Invention Semiconductor device. A semiconductor device includes a semiconductor substrate, a semiconductor...
Invention Semiconductor device, semiconductor module, and method for producing semiconductor device. This s...
Invention Power supply control device. A power supply control device includes: an output stage circuit hav...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
G/S Downloadable electronic publications in the nature of instruction manual in the field of microcom...
G/S Electronic publication; semiconductors; semiconductor elements; electronic circuits; integrated c...
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...