Company Filing History:
1 out of 77 
1 out of 14 Years Active: 2013
Title: Makoto Tsutsumi: Innovator in Watermark Technology
Introduction
Makoto Tsutsumi 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 methods for embedding watermark information.
Latest Patents
Tsutsumi 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 watermarking.
Career Highlights
Throughout his career, Tsutsumi has worked with esteemed institutions such as Kagoshima University and A.T. Communications Co., Ltd. His work has focused on advancing watermark technology and enhancing the security of digital information.
Collaborations
Tsutsumi has collaborated with notable colleagues, including Satoshi Ono and Shigeru Nakayama. Their combined expertise has contributed to the development of innovative solutions in watermark technology.
Conclusion
Makoto Tsutsumi's contributions to watermark technology demonstrate his commitment to innovation and security in digital information. His work continues to influence the field and pave the way for future advancements.