KDDI has been granted a patent for a communication device that includes a switching unit, monitoring unit, and control unit to manage light levels for efficient data transmission. The device features transmission and reception units, ports, isolator, and optical coupler to ensure signal integrity and directionality. GlobalData’s report on KDDI gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on KDDI, Cloud gaming was a key innovation area identified from patents. KDDI's grant share as of April 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.

Optical communication device with monitoring and control capabilities

Source: United States Patent and Trademark Office (USPTO). Credit: KDDI Corp

A recently granted patent (Publication Number: US11966083B2) discloses a communication device designed with specific components to facilitate the transmission and reception of optical signals. The device includes a transmission unit for sending out optical signals, a reception unit for receiving incoming optical signals, a transmission port connected to a first core, and a reception port connected to a second core. An isolator is integrated into the device to allow only transmission optical signals to pass through while blocking signals traveling towards the transmission unit. Additionally, an optical coupler is included to manage the output of transmission and reception optical signals to the respective ports and units within the device.

The key innovation of this communication device lies in the utilization of the isolator and optical coupler to ensure the efficient transmission and reception of optical signals. By allowing only signals propagating in different directions to pass through the cores, the device can effectively manage the flow of optical signals within its components. The optical coupler plays a crucial role in directing the transmission and reception signals to the appropriate ports and units, enhancing the overall functionality of the communication device. This patented technology showcases advancements in optical communication systems, offering a more streamlined and effective approach to signal transmission and reception.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.