Rohm Co., Ltd.

Japan


 
Total IP 6,381
Total IP incl. subs 7,321 (+ 946 for subs)
Total IP Rank # 156
IP Activity Score 4.3/5.0    4,915
IP Activity Rank # 111
IP AS incl. subs 4.1/5.0    5,210
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,197 45
1 3
2,089 12
34
 
Last Patent 2025 - Light emitting element driving d...
First Patent 1981 - Thermal printing head
Last Trademark 2025 - LASCA
First Trademark 1971 - R.OHM

Subsidiaries

7 subsidiaries with IP (940 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...
2024 Invention Heat treatment apparatus and method of operating thereof. A heat treatment apparatus includes a ...
Invention Switching power supply. A switching power supply includes: a first amplifier configured to outpu...
Invention Light emitting element driving device and light emitting device. A light emitting element drivin...
Invention Semiconductor module. A semiconductor module includes a cooling unit and a semiconductor device ...
Invention Semiconductor device. A semiconductor device includes at least one terminal, and the terminal in...
Invention Semiconductor device. A semiconductor device includes a first die pad, a second die pad, a first...
Invention Power control device. A power control device includes: an output voltage controller configured t...
Invention Semiconductor device manufacturing method and wafer-attached structure. A method for manufacturi...
Invention Semiconductor device. A semiconductor device according to the present invention is provided with...
Invention Semiconductor device. A semiconductor device includes a semiconductor layer that is of a first c...
Invention Sic semiconductor device. An SiC semiconductor device includes an SiC semiconductor layer of a f...
G/S Semiconductors; semiconductor elements, namely, semiconductor chip sets, semiconductor wafers; in...
Invention I/o circuit, semiconductor device, cell library, and circuit designing method for semiconductor d...
Invention Semiconductor device. The semiconductor device includes a semiconductor layer which has a main s...
Invention Semiconductor device with sic semiconductor layer and raised portion group. A semiconductor devi...
Invention Semiconductor device. A semiconductor device, includes: a semiconductor element having element m...
G/S Semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
Invention Gate drive circuit, gate drive device, motor system, vehicle, and current-consumption reducing me...
Invention Semiconductor integrated circuit device and motor system. A semiconductor integrated circuit dev...
Invention Semiconductor device. This semiconductor device includes: a chip that has a main surface; a semic...
Invention Semiconductor device. A semiconductor device includes: a semiconductor chip having a main surfac...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; a semicon...
Invention Insulation chip and semiconductor device. A semiconductor device includes a first unit, a second...
Invention Semiconductor device. The present disclosure provides a semiconductor device including a diode. ...
Invention Communication device. A communication device includes a communication line, a master node, and a...
Invention Manufacturing method of semiconductor device, semiconductor wafer and semiconductor device. The ...
Invention Semiconductor device. A semiconductor device includes: a semiconductor chip having a first main ...
Invention Integrated circuit for battery disconnect. An example integrated circuit includes a first transis...
Invention Semiconductor device, semiconductor system and switching power device. The present disclosure pr...
Invention Magnetoelectric conversion element and manufacturing method of magnetoelectric conversion element...
Invention Motor driver. A motor driver for driving a motor includes: a half-bridge output stage including ...
Invention Semiconductor device. This semiconductor device comprises: a chip having a main surface; a first ...
Invention Semiconductor device. This semiconductor device includes: a chip having a main surface; a first r...
Invention Shunt resistance, method of manufacturing shunt resistance, and semiconductor device. Provided i...
Invention Mems device. Provided is a MEMS device including a substrate, a recessed portion, and a sensor u...
Invention Thermal print head. The present disclosure provides a thermal print head. The thermal print head...
Invention Nitride semiconductor device. A nitride semiconductor device includes a nitride semiconductor la...
Invention Electronic component mounting board. The present disclosure provides an electronic component mou...
Invention Semiconductor device, power supply device, and vehicle. The pattern (2, 2A, 2B, 2C) of the semico...
Invention Semiconductor light emitting device. A semiconductor light emitting device includes: a substrate...
Invention Semiconductor light-emitting device. This semiconductor light-emitting device comprises: a substr...
Invention Light-emitting semiconductor device. This light-emitting semiconductor device includes: a plurali...
Invention Method for manufacturing semiconductor device, semiconductor device, and vehicle. This method for...
Invention Signal transmission device, electronic equipment, and vehicle. This signal transmission device 40...
Invention Electric current detection circuit, feedback control circuit, electric power supply control devic...
Invention Semiconductor device. A semiconductor device according to the present invention comprises: a firs...
Invention Current detection circuit, feedback control circuit, power supply control device, and switching p...
Invention Power supply controller and switching power supply. A power supply controller provided in a swit...
Invention Semiconductor device. This semiconductor device comprises: a first impurity region of a first con...
Invention Transducer. A transducer (1) comprises: a piezoelectric element (10) provided with a pair of elec...
Invention Power supply device. INBOOT1BOOT3BOOT1BOOT3BOOT1BOOT3BOOT3) and first to third boot switches (Ma ...
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...
Invention Integrated circuit for battery disconnect. Systems and methods relating to battery disconnect un...
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...