Location History:
- Shinagawa-ku, Tokyo, JP (1987)
- Kanagawa, JP (1987 - 2003)
Company Filing History:
10 out of 58,130 
1 out of 832,812 Years Active: 1987-2003
Title: The Innovative Contributions of Masato Yamagata
Introduction
Masato Yamagata, an accomplished inventor based in Kanagawa, Japan, holds a remarkable total of 11 patents. His contributions to the field of telecommunications have significantly impacted how we communicate today. Yamagata's inventions are characterized by their practicality and ingenuity, addressing real-time issues faced by consumers in the ever-evolving tech landscape.
Latest Patents
Among his latest patents, Yamagata developed a **Telephone Answering Unit with Caller ID and Variable Ring Sounds**. This innovative telephone display unit can sequentially display reception data histories by rotating a dial. When a registered telephone number is identified, the corresponding name appears on the display; otherwise, the number itself is shown. Notably, the device alerts users when messages are recorded, allowing direct playback of selected messages without the inconvenience of sifting through unnecessary recordings.
Another significant invention is the **Apparatus and Method for Allocating Channels in Plural Communication**. This patent introduces a cordless telephone system that operates without control channels, enabling communication even when a handset or base unit is within another's area. The system effectively uses multiple communication channels to connect the handset and base unit by transmitting connection request data. This innovative method enhances the reliability of cordless communication, ensuring users can maintain connections seamlessly.
Career Highlights
Yamagata's career includes impactful tenures at renowned companies, notably Sony Corporation, where he utilized his technical prowess to develop groundbreaking telecommunications products. His work has led to substantial advancements in consumer technology, showcasing his ability to merge creativity with functionality.
Collaborations
Throughout his career, Yamagata has collaborated with notable colleagues, including Keizo Tsukada and Yoshikazu Tanaka. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and the development of patents that have furthered the progression of communication technologies.
Conclusion
Masato Yamagata stands out as a prominent figure in the realm of inventions and patents within telecommunications. His latest innovations, including the telephone answering unit with caller ID and the novel channel allocation method for cordless telephones, demonstrate his commitment to enhancing user experiences. As technology continues to advance, Yamagata’s contributions serve as a testament to the importance of innovation in shaping the communications landscape.