Anritsu 

Established in 1895 and headquartered in Atsugi, Japan, Anritsu Corporation specializes in the global development, manufacturing, and sale of advanced measurement instruments and systems, primarily catering to diverse communications applications. The company operates through three core segments: Test and Measurement, Products Quality Assurance, and Others. The Test and Measurement division offers a comprehensive suite of solutions, including foundational tools like bit error rate testers and sampling oscilloscopes. For mobile and wireless communications, Anritsu provides instruments such as base station, Bluetooth, WLAN, cable and antenna analyzers, alongside channel emulators, fading simulators, conformance test systems, and all-in-one handset testers. Their offerings also include land mobile radio products, passive intermodulation (PIM) analyzers, shield boxes/chambers, and signaling testers. In the optical domain, their portfolio encompasses OTDRs, optical loss test sets, light sources, power meters, optical spectrum analyzers, video inspection probes, and related accessories. Furthermore, the company manufactures RF and microwave measuring instruments, including peripheral equipment, power meters, and sensors, as well as signal generators, signal/spectrum analyzers, vector network analyzers, and products for transport and Ethernet testing. The Products Quality Assurance segment focuses on inspection and quality control, supplying X-Ray inspection systems, checkweighers, automatic combination weighers, and metal detectors to the food, pharmaceutical, and cosmetics industries. This segment also delivers service assurance solutions and is involved in the design and production of precision microwave components. Beyond these primary areas, Anritsu extends its expertise to optical sensing for industrial and medical sectors, and provides optical and electron devices for communication. The "Others" segment encompasses a range of activities, including environmental measurement, logistics, welfare services, and real estate leasing.