Rohm Co., Ltd.

Japan


 
Total IP 5,908
Total IP incl. subs 6,918 (+ 1,016 for subs)
Total IP Rank # 168
IP Activity Score 4.2/5.0    4,328
IP Activity Rank # 134
IP AS incl. subs 4/5.0    4,685
Stock Symbol
ISIN JP3982800009
Market Cap. 948630000000.0  (JPY)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

3,832 42
1 3
1,987 12
31
 
Last Patent 2024 - Macro model of a semiconductor i...
First Patent 1981 - Thermal printing head
Last Trademark 2024 - LAPIS TECHNOLOGY
First Trademark 1971 - R.OHM

Subsidiaries

7 subsidiaries with IP (1010 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...
Invention Semiconductor apparatus and method for manufacturing semiconductor apparatus. Semiconductor devi...
Invention Signal processing device, sound wave system, and vehicle. A signal processing device includes a ...
Invention Macro model of a semiconductor integrated circuit device, circuit design simulation program, and ...
Invention Switching power supply. A switching power supply includes a switching output stage configured to...
Invention Electronic component. An electronic component includes an underlay resin, and a pad electrode th...
Invention Signal transmission device and insulation chip. A transformer chip of this signal transmission d...
Invention Signal transmitting device and insulating chip. A transformer chip of a signal transmitting devi...
G/S Semiconductors; semiconductor elements, namely, semiconductor chip sets, semiconductor wafers; in...
Invention Power management circuit. A sequencer includes a logic circuit capable of controlling a pluralit...
Invention Semiconductor device. A semiconductor device includes two first semiconductor elements, a first ...
Invention Semiconductor device, display apparatus, and vehicle. A semiconductor device includes, for examp...
Invention Semiconductor device. A semiconductor device includes a semiconductor layer that has a first mai...
Invention Semiconductor module. A semiconductor module includes a semiconductor device and bus bar. The de...
Invention Semiconductor device. A semiconductor device includes a first conductivity type first semiconduc...
Invention Semiconductor device and mounting structure for semiconductor element. A semiconductor device in...
G/S Semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
Invention Semiconductor device and semiconductor module. The semiconductor device of the present invention...
Invention Semiconductor module. A semiconductor module includes: a first conductive portion; a second cond...
Invention Semiconductor device having a protrusion projection formed under a gate electrode and between bod...
G/S semiconductors; semiconductor elements; integrated circuit chips; microprocessors; semiconductor ...
2023 Invention Memory device. A memory device includes: a word line selector (X decoder) configured to select w...
Invention Power supply system. Disclosed herein is a power supply system including a power supply configur...
Invention Field effect transistor. The present disclosure provides a field effect transistor. The field ef...
Invention Signal transmission device, industrial apparatus and vehicle. The present disclosure provides a ...
Invention Semiconductor device. This semiconductor device comprises: a first semiconductor element; a plura...
Invention Control device of power factor correction circuit, power factor correction circuit and power supp...
Invention Voltage generation circuit. A voltage generation circuit includes: a first MOSFET including a so...
Invention Mems sensor. The present disclosure provides a MEMS sensor. The MEMS sensor includes: a substrat...
Invention Mems sensor and manufacturing method thereof. The present disclosure provides a MEMS sensor. The...
Invention Nitride semiconductor device and manufacturing method thereof. The present disclosure provides a...
Invention Semiconductor device and semiconductor module. The present disclosure provides a semiconductor d...
Invention Successive approximation type a/d conversion circuit. A successive approximation type A/D conver...
Invention Semiconductor device. There is provided a semiconductor device including a semiconductor layer h...
Invention Semiconductor device. This semiconductor device is provided with: a semiconductor element; a firs...
Invention Semiconductor device. This semiconductor device includes: a chip that has a main surface; a trenc...
Invention Semiconductor module and power conversion unit. This semiconductor module may be equipped with a ...
Invention Semiconductor device. This semiconductor device comprises a semiconductor element, first and seco...
Invention Semiconductor device and method for manufacturing semiconductor device. This semiconductor device...
Invention Semiconductor device and method for producing semiconductor device. A semiconductor device compri...
Invention Semiconductor device, electronic apparatus and vehicle. The present disclosure provides a semico...
Invention Semiconductor module. This semiconductor module can be provided with a heat dissipation member, a...
Invention Signal processor and signal processing system. The present disclosure provides a signal processo...
Invention Semiconductor device and electric power conversion unit. This semiconductor device is provided wi...
Invention Piezoelectric film device, ultrasound device, speaker device, transducer, and method for manufact...
Invention Class d amplifier circuit. The present disclosure provides a class D amplifier circuit. The clas...
Invention Motor drive device, motor system, and vehicle. In the present invention, an abnormality detection...
Invention Semiconductor device. In the present invention, a semiconductor device comprises: a first lead th...
Invention Switch drive device and power supply device provided with same. A switch drive device 1 comprises...
Invention Semiconductor device. This semiconductor device comprises a first electrically conductive layer, ...
Invention Semiconductor device. A semiconductor device comprises a first insulation layer, a first conducti...
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 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...
Invention Self-diagnosis circuit and semiconductor device. A self-diagnosis circuit (BST1) configured to d...
2021 Invention Power 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...
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; ...