Ryoh Sugihara

Title: Ryoh Sugihara: Innovator in Electronic Watermarking

Introduction

Ryoh Sugihara is a notable inventor based in Yamato, Japan. He has made significant contributions to the field of electronic watermarking, particularly through his innovative methods and systems. His work focuses on enhancing the robustness of electronic watermarks against scaling, which is crucial for various digital applications.

Latest Patents

Sugihara holds a patent for "Methods, apparatus and systems for an electronic watermark having resistance to scaling." This invention provides methods and systems for embedding and detecting an electronic watermark without the need for geometric compensation signals. A key aspect of his patent involves using a periodic pattern with repetition as the embedded pattern, which contains information as an electronic watermark. The detection process calculates the scaling factor by observing changes in the period of the embedded pattern.

Career Highlights

Ryoh Sugihara is associated with International Business Machines Corporation (IBM), where he continues to develop innovative solutions in the realm of digital watermarking. His expertise and contributions have positioned him as a valuable asset in the field of technology.

Collaborations

Sugihara has collaborated with notable colleagues, including Masaaki Taniguchi and Shuhichi Shimizu. Their combined efforts have further advanced the research and development of electronic watermarking technologies.

Conclusion

Ryoh Sugihara's work in electronic watermarking exemplifies the importance of innovation in technology. His patent and collaborations highlight his commitment to enhancing digital security through advanced watermarking techniques.