Kiyono Ujihara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of video and audio data processing. With a total of 5 patents to his name, Ujihara's work focuses on enhancing the efficiency and quality of data encoding and decoding.

Latest Patents

One of Ujihara's latest patents is an "Apparatus for decoding coded video data with reduced memory size." This innovative apparatus is designed to decrease the storage size of its frame memory while effectively reducing drift noise and minimizing resolution loss during the reconstruction of coded video data. The apparatus includes a data size reducer that employs subsampling and pixel differential coding, along with a frame memory for storing the reduced video data. Additionally, a data size recover component is included to restore the original size of the decoded video data from the reduced data saved in the frame memory. This combination of pixel data compression and IDCT processing in a reduced block size successfully addresses unwanted drift noise and resolution decline.

Another significant patent is the "Coding bit rate converting method and apparatus for coded audio data." This invention provides a method to convert input coded audio data into output coded data with a lower coding bit rate than the target. The apparatus takes control outputs when the frame size of the input coded audio data exceeds the frame size determined by the target coding bit rate. By controlling parameters that define the frame size of the input coded audio data, the output coded data is generated as a converted output until the frame size meets the target requirements.

Career Highlights

Kiyono Ujihara is currently employed at Kokusai Denshin Denwa Kabushiki Kaisha, a company known for its advancements in telecommunications and data processing technologies. His work at this organization has allowed him to develop and refine his innovative ideas in video and audio data processing.

Collaborations

Ujihara has collaborated with several talented individuals in his field, including Yasuyuki Nakajima and Akio Yoneyama. These collaborations have contributed to the successful development of his patents and innovations.

Conclusion

Kiyono Ujihara is a prominent inventor whose work in video and audio data processing has led to significant advancements in the industry. His innovative patents demonstrate his commitment to improving data encoding and

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