ROHM COMPANY LIMITED manufactures custom linear integrated circuits and semiconductor devices for use primarily in consumer electronics.  The Company has plants and sales offices worldwide.  Rohm's subsidiaries include Wako Electric and Apollo Electronics.

Q4 2024

Q3 2024

Q2 2021

Q4 2021

Q2 2022

Japan

SUMCO Corporation manufactures silicon wafers for the semiconductor industry. The Company produces silicon wafers used to produce solar batteries as well as ultra-high purity quartz used to produce vessels for silicon manufacturing process. SUMCO markets its products worldwide.

SHINKO ELECTRIC INDUSTRIES CO., LTD. designs, manufactures, and markets advanced electronic materials, such as semiconductor packages, including leadframes, and PLP(Plastics Laminated Packages).  The Company markets its products worldwide through a network of sales offices in such places as the Philippines, Germany, and Hong Kong.

SCREEN Holdings Co Ltd.  manufactures and sell semiconductors, FPD devices, commercial printing and printed circuit boards(PCB). The company also provides additional services for its products.

RORZE CORPORATION manufactures printed circuit board conveyers and wafer handlers for semiconductor manufacturing.  The Company also produces sorters and vacuum chamber robots, as well as controllers and stepping motor drivers used in various automation systems.  Rorze provides parts replacement and repair services for its products.

TOKYO SEIMITSU CO., LTD. manufactures and sells semiconductor manufacturing equipment and measuring instruments.  The Company produces wafer probing machines, wafer dicing machines, electron beam lithography systems, wafer inspection systems, and chemical mechanical planarizers (CMP) systems.

ULVAC, Inc. manufactures vacuum devices for industries such as semiconductor, electronics, chemical, pharmaceutical and food.  The Company's products include pumps, valves, gas analyzers, leak detectors, and surface profile measurement.

MICRONICS JAPAN CO., LTD. designs, manufactures, and markets probe cards, which are used to inspect semiconductors and integrated circuits (ICs).  The Company also makes wafer probers, probe card testers, IC handlers, and inspection devices used for liquid crystal display (LCD) manufacturing.

Mitsui High-tec, Inc. produces integrated circuit leadframes, assembly parts, and related equipment.  The Company also manufactures and sells precision machine tools, such as metal molds for presses and machine tools. Mitsui High-tec also operates a real estate business.

TOWA CORPORATION produces semiconductor manufacturing equipment including mold packaging, IC inspection units, precision molds and dies, and plastic molds. The Company also provides technical consultation.

Japan Material Co., Ltd. mainly provides gas management system services for semiconductor and liquid-crystal factories.  The Company also develops and makes application software products for CAD/CAM and three-dimensional data processing.

Flat Glass Group Co., Ltd is a PV glass manufacturer. The Company also markets float glass, household glass and architectural glass.

Axcelis Technologies, Inc. manufactures components for the semiconductor industry. The Company designs, manufactures and services ion implantation, dry strip, thermal processing and curing equipment used in the fabrication of semiconductor chips. Axcelis Technologies sells their products to semiconductor chip manufacturers worldwide.

eMemory Technology, Inc. develops and provides logic non-volatile memory (LogicNVM) technology. The company licenses its intellectual property to semiconductor foundries, integrated devices manufacturers (IDMs), and fabless design houses around the world.

Diodes Incorporated manufactures and supplies discrete, logic, and analog semiconductor devices to consumers in the electronics, computing, industrial, communications, and automotive markets. The Company's products include diodes, transistors, MOSFETs, single gate logic, LED drivers, and USB switches.

Nanya Technology Corp. manufactures and markets dynamic random access memories (DRAMs).  The Company sells its products in Taiwan and exports worldwide.

Sino-American Silicon Products Inc. supplies silicon-based products, including silicon lapped wafer, silicon diffusion wafer, silicon ingot, silicon diffused diode chip, and automobile rectifier.  The Company sells its products worldwide.

GCL-Poly Energy Holdings Ltd is a Chinese power company that produces solar grade polysilicon and operates cogeneration plants and in China.

Gcl Poly Energy Holdings Limited (3800 HK)

King Yuan Electronics Co., Ltd. provides integrated circuit (IC) testing services to semiconductor manufacturers.  The Company tests the logic, memory, and burn-in functions of ICs.  King Yuan also specializes in IC reeling, packaging, and wafer grinding.

Tianjin Zhonghuan Semiconductor Co., Ltd. manufactures discrete semiconductor devices. The Company's main products are High Voltage Diode, Silicon Rectifier Diode, Silicon Bridge Rectifier, MWO High Voltage Silicon Diode and special High Voltage Silicon Diode .

Tianjin Zhonghuan Semiconductor (002129 CH)

Hua Hong Semiconductor Limited manufactures semiconductors on 200mm wafers for specialty applications. The Company's products are used in the consumer electronic, communication, computing and industrial, and automotive industries.

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