Noriyoshi Ito, an accomplished inventor based in Hachioji, Japan, has made significant contributions to the field of error-correction coding and digital signal processing. With an impressive portfolio of three patents, his inventions reflect advanced methodologies aimed at improving the efficiency and reliability of communication technologies.

Latest Patents

Noriyoshi Ito's most recent patents demonstrate his inventive prowess and technical insight. One of his notable inventions is the **"Recursive Decoder for Switching Between Normalized and Non-Normalized Probability Estimates."** This patent is particularly relevant in the realm of error-correction coding, focusing on a decoder designed for concatenated codes, such as turbo codes. The innovative decoder integrates a processor that calculates probability estimates for a block of symbols, utilizing normalizing means to adjust these estimates based on iterative states. The inclusion of a switch to toggle between normalized and unnormalized probability estimates enhances the decoder's versatility and performance.

Another significant invention is the **"Method and Device for Pulse Density Modulation."** This patent outlines a pulse density modulator unit that transforms an N-bit input signal into a digital output signal, ensuring that the pulse density remains a linear function of the input value. This advanced pulse density modulator includes a combination module that effectively represents the product of the input signal and amplification control signal, significantly enhancing the modulation process.

Career Highlights

Noriyoshi Ito has had a remarkable career, contributing to prestigious organizations in the technology sector. He has worked with Oki Techno Centre (Singapore) Pte Ltd and Oki Techno Centre Pte Ltd, where he applied his expertise to develop innovative solutions in digital communications and coding.

Collaborations

Throughout his career, Noriyoshi has collaborated with talented individuals such as Tao Zhang and Hiroshi Katsuragawa. These collaborations have fostered a creative environment that has led to groundbreaking innovations in the field.

Conclusion

Noriyoshi Ito's contributions to the field of error-correction coding and digital signal processing exemplify the spirit of innovation. His patents not only address the complexities of modern communication technologies but also pave the way for future advancements in the industry. His dedication as an inventor continues to inspire and influence the evolution of technology.

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