Rohm Co., Ltd.

Japan


 
Total IP 5,832
Total IP incl. subs 6,864 (+ 1,038 for subs)
Total IP Rank # 171
IP Activity Score 4.2/5.0    4,244
IP Activity Rank # 138
IP AS incl. subs 4/5.0    4,623
Stock Symbol 69630 (tse)
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

3,766 42
1 3
1,977 12
31
 
Last Patent 2024 - Semiconductor device, switching ...
First Patent 1981 - Thermal printing head
Last Trademark 2024 - LAPIS TECHNOLOGY
First Trademark 1971 - R.OHM

Subsidiaries

7 subsidiaries with IP (1032 patents, 6 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 G/S semiconductor testing apparatus; semiconductor inspection apparatus; semiconductor memory inspect...
G/S Semiconductor testing apparatus; semiconductor inspection devices; semiconductor memory inspectio...
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, namely, semiconductor chip sets, semiconductor wafers; in...
G/S Semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
G/S semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
2023 Invention Semiconductor device. The semiconductor device includes a chip which has a main surface, a first...
Invention Semiconductor device, switching power supply, and lighting device. For example, a semiconductor ...
Invention Switching power supply device, switching control device, and industrial equipment. A switching p...
Invention Current sensor. A current sensor includes: a first and a second input terminal configured to be ...
Invention Semiconductor device with voltage resistant structure. A semiconductor device of the present inv...
Invention Power-on reset circuit. A power-on reset circuit supplies a reset pulse to a sequential circuit ...
Invention Nitride semiconductor device. The present invention provides a nitride semiconductor device, inc...
Invention I/o circuit, semiconductor device, cell library, and method of designing circuit of semiconductor...
Invention Semiconductor device comprising pn junction diode and schottky barrier diode. A semiconductor de...
Invention Nitride semiconductor device. A nitride semiconductor device includes a passivation layer which ...
Invention Semiconductor device. A semiconductor device includes a semiconductor element, a first lead elec...
Invention Transducer and electronic device. A transducer includes: a film support portion; a vibration fil...
Invention Insulation module. An insulation module includes: a light-emitting element; a light-receiving el...
Invention Insulation module. This insulation module includes: a first light-emitting element and a first l...
Invention Insulation module. This insulation module comprises: a light-emitting element that has a light-e...
Invention Semiconductor device. A semiconductor device is configured to increase energy absorbed by an act...
Invention Switch device. An example switch device includes a switching element to connect/disconnect a cur...
Invention Driving circuit of bridge circuit. An output node of a high-side driver circuit is coupled to th...
Invention Semiconductor device. A semiconductor device capable of suppressing separation of a sealing resi...
Invention Slave circuit and remote control system using the same. A slave circuit that is connected to a m...
Invention Nitride semiconductor device. A nitride semiconductor device includes: a first nitride semicondu...
Invention Semiconductor device, sensor, and method of manufacturing semiconductor device. A semiconductor ...
G/S electronic circuits; integrated circuits; large-scale integrated circuits; semiconductors; semico...
Invention Switching element and semiconductor device. The present disclosure provides a semiconductor elem...
Invention Differential amplifier circuit. The present disclosure provides a differential amplifier circuit...
Invention Mems module. A MEMS module includes: a substrate; a semiconductor chip in which a MEMS including...
Invention Semiconductor integrated circuit. The present disclosure provides a semiconductor integrated cir...
Invention Ram and short-circuit detection system. Provided is a RAM including a first read bit line, a fir...
Invention Semiconductor device. This semiconductor device comprises: a first metal layer and second metal l...
Invention Light-emitting element drive device, and light emission system. A light-emitting element drive de...
Invention Driving circuit of high-side transistor, class-d amplifier circuit using the same, converter cont...
G/S Electronic circuits; integrated circuits; large-scale integrated circuits; semiconductors; semico...
Invention Controller circuit of step-down dc/dc converter and in-vehicle power supply system. Provided is ...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
Invention Joining structure and semiconductor device. This joining structure comprises a first joining targ...
Invention Light-emitting element drive device. LEDLED) to be channeled to a light-emitting element (10).
Invention Pressure sensor. This pressure sensor comprises: a package exterior body having an upper wall; an...
Invention Power unit. This power unit comprises a power module and a capacitor module. The power module has...
Invention Semiconductor device, light emitting device, and vehicle. A semiconductor device 1 comprises: a s...
Invention Switch device, electronic equipment, and vehicle. A switch device 1 includes, for example, a powe...
Invention Nitride semiconductor device. This nitride semiconductor device (10) comprises: a hexagonal SiC s...
Invention Electric power supply control device and switching electric power supply. This electric power sup...
G/S vertical cavity surface emitting lasers [VCSELs]; semiconductor light emitting devices; semicondu...
Invention Element evaluation device. This element evaluation device comprises: a target element connected b...
Invention Semiconductor device. According to one aspect of the present embodiment, a semiconductor device 1...
Invention Semiconductor device. A semiconductor device comprising: a chip having a main surface and made of...
G/S Vertical cavity surface emitting lasers (VCSELs) for measuring and monitoring purposes; semicondu...
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 Invention Semiconductor equipment. A semiconductor device includes a first die pad with a first obverse su...
Invention Sic semiconductor device. An SiC semiconductor device includes an SiC chip that has a main surfa...
Invention Power semiconductor module
Invention Semiconductor module
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...
Invention Semiconductor device. A semiconductor device includes a plurality of die pad sections, a pluralit...
G/S Measuring or testing machines and instruments; comparators; computers; semi-conductor elements; e...
G/S Measuring or testing machines and instruments, namely, detectors and sensors for temperature, dis...
2020 G/S Electronic circuits; Integrated circuits; Large-scale integrated circuits; Microcontrollers; Micr...
G/S Electronic circuits; integrated circuits; large-scale integrated circuits; microcontrollers; micr...
G/S Print heads for document printers; Thermal print heads for document printers; Computer peripheral...
G/S Print heads for printers; Thermal print heads; Computer peripheral devices; Electronic circuits; ...