Company Filing History:
1 out of 77 
1 out of 14 Years Active: 2013
Title: Shigeru Nakayama: Innovator in Watermark Technology
Introduction
Shigeru Nakayama is a notable inventor based in Kagoshima, Japan. He has made significant contributions to the field of watermark technology, particularly in the development of devices and systems that enhance the security of digital information.
Latest Patents
Shigeru Nakayama holds a patent for a watermark information embedding device, watermark information processing system, watermark information embedding method, and program. This invention provides a watermark information embedding device that enables the detection of copying through a two-dimensional code. The device includes a first wavelet transform unit that performs a discrete wavelet transform on an original image of a two-dimensional code, decomposing it into various frequency components. The watermark information is embedded in the high-frequency component, allowing for effective detection and protection of digital content.
Career Highlights
Throughout his career, Nakayama has worked with esteemed institutions such as Kagoshima University and A.T. Communications Co., Ltd. His work has focused on advancing technologies that secure digital information and prevent unauthorized copying.
Collaborations
Shigeru Nakayama has collaborated with notable colleagues, including Satoshi Ono and Makoto Tsutsumi. These partnerships have contributed to the development of innovative solutions in watermark technology.
Conclusion
Shigeru Nakayama's contributions to watermark technology demonstrate his commitment to enhancing digital security. His innovative inventions continue to influence the field and provide valuable tools for protecting information.