Rohm Co., Ltd.

Japan


Create a watch for Rohm Co., Ltd.
Total IP 6,518
Total IP incl. subs 7,412 (+ 901 for subs)
Total IP Rank # 160
IP Activity Score 4.3/5.0    4,902
IP Activity Rank # 107
IP AS incl. subs 4.1/5.0    5,121
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

4,309 46
0 2
2,114 13
34
 
Last Patent 2025 - Motor drive circuit, motor syste...
First Patent 1981 - Thermal printing head
Last Trademark 2025 - LASCA
First Trademark 1984 - ROHM

Subsidiaries

7 subsidiaries with IP (895 patents, 6 trademarks)

2 subsidiaries without IP

 Register for free to unlock the subsidiary list

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Motor drive circuit, motor system and electric device. The present disclosure provides a motor d...
Invention Sic semiconductor device. An SiC semiconductor device includes an SiC chip having a main surface...
Invention Sic semiconductor device. An SiC semiconductor device includes an SiC layer that includes a main...
Invention Semiconductor device. There is provided a semiconductor device, including: a semiconductor eleme...
Invention Sic semiconductor device. An SiC semiconductor device includes an SiC layer of a first conductiv...
Invention Self-diagnosis circuit and semiconductor device. A self-diagnosis circuit (BST1) configured to d...
Invention Nitride semiconductor device and fabrication method therefor. A nitride semiconductor device inc...
Invention Sic semiconductor device. An SiC semiconductor device includes a first SiC layer of a first cond...
Invention Gate driver, insulation module, low-voltage circuit unit, and high-voltage circuit unit. A gate ...
Invention Semiconductor device. The semiconductor device includes a chip having side surface, and an ornam...
Invention Sic semiconductor device. An SiC semiconductor device includes a first SiC layer, a second SiC l...
Invention Semiconductor device and method for manufacturing semiconductor device. A semiconductor device i...
Invention Semiconductor chip and semiconductor device including a copper pillar and an intermediate layer. ...
Invention Electronic device and method for manufacturing electronic device. An electronic device includes ...
Invention Semiconductor device. The semiconductor device includes a first die pad, a second die pad, a fir...
Invention Semiconductor device and method for manufacturing the same. A semiconductor device includes a pr...
Invention Motor drive device, motor system and vehicle. A motor drive device includes: a check performance...
Invention Signal transmission device, electronic device and vehicle. A signal transmission device includes...
Invention Power supply circuit, signal transmission device, electronic device and vehicle. A power supply ...
Invention Switching control device and motor system. A switching control device includes: a PWM duty cycle...
G/S Electronic publication; semiconductors; semiconductor elements; electronic circuits; integrated c...
Invention Semiconductor device. A semiconductor device comprises a die pad having a penetration portion th...
Invention Semiconductor device. A semiconductor device includes a semiconductor substrate of a first condu...
Invention Terahertz device, imaging device, and sensing device. A terahertz device (A1, A2, A3, A31, A4, A5...
Invention Semiconductor device. A semiconductor device includes: a main body including a semiconductor lay...
Invention Power source control device, dc/dc converter, and vehicle. Provided is a power source control de...
Invention Semiconductor device. A semiconductor device includes a semiconductor substrate, an insulating l...
Invention Semiconductor device. This semiconductor device includes a semiconductor layer, an insulating fil...
Invention Semiconductor device. A semiconductor device according to an embodiment of the present invention ...
Invention Light-emitting device. A light-emitting component according to the present invention comprises a ...
Invention Piezoelectric actuator, and method for manufacturing piezoelectric actuator. This piezoelectric a...
Invention Semiconductor device. A semiconductor device includes a substrate including a first substrate su...
Invention Ram. A RAM includes a first bit line and a second bit line arranged on different layers. One of ...
Invention Motor controller, motor control program, and motor system. A motor controller includes a control...
Invention Signal transmission device, electronic device, and vehicle. The signal transmission device inclu...
Invention Semiconductor device and communication system. In the semiconductor device, when bridge select d...
Invention Signal transmission device, electronic apparatus, and vehicle. A signal transmission device incl...
Invention Semiconductor device, inspection method, and semiconductor chip. A semiconductor device includes...
Invention Switch device, load drive system, and switch system. A switch device has a control circuit that ...
Invention Semiconductor device. A semiconductor device includes an n-type (a first conductivity type) semi...
Invention Switch device and load driving system. The switch device includes an input terminal, an output t...
Invention Semiconductor device and inverter system. This semiconductor device comprises: an insulating laye...
Invention Drive circuit. A drive circuit includes: a level shift circuit configured to convert a plurality...
Invention Level voltage generation circuit, display driver, and display device. The level voltage generati...
Invention Semiconductor device. A semiconductor device includes a first semiconductor element, a second se...
Invention Method for manufacturing semiconductor device and semiconductor device. A method for manufacturi...
Invention Semiconductor device. This semiconductor device comprises a first-conductivity-type semiconductor...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
Invention Semiconductor light-emitting device. This semiconductor light-emitting device includes a semicond...
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...