Company Filing History:
18 out of 42,485 
1 out of 832,680 Years Active: 2002-2009
Title: Isao Echizen: Innovator in Digital Watermarking and Content Control Technologies
Introduction
Isao Echizen is a prominent inventor based in Yokohama, Japan, known for his significant contributions to digital watermarking and content control technologies. With a remarkable portfolio consisting of 19 patents, Echizen's work has greatly advanced the way digital content is secured and manipulated, ensuring a safer and more efficient digital environment.
Latest Patents
Among his latest innovations, Isao Echizen has developed a "System and method for controlling contents by plurality of pieces of control information." This patent outlines a unique approach whereby control signals are embedded within content data. By detecting both first control information through specified locations and second control information via digital watermarks, the system ensures compliance and minimizes the risk of unauthorized copying. The proactive determination of consistency between these two signals enhances content control safety.
Another notable patent, titled "Method of watermarking for binary images," reflects Echizen's expertise in adjusting digital watermarking for binary images, including documents. This technology aims to embed watermark information while preserving image quality. By leveraging the characteristics of human visual perception, the method optimally modifies pixels to maintain clarity and fidelity.
Career Highlights
Isao Echizen's esteemed career includes working for major companies such as Hitachi, Ltd., where he played a crucial role in innovative projects that shaped digital content management. His expertise and vision have positioned him as a leading figure in the field of digital watermarking and content security.
Collaborations
Throughout his career, Isao Echizen has collaborated with notable individuals, including Hiroshi Yoshiura and Kousuke Anzai. These partnerships have fostered a rich exchange of ideas, enhancing the depth and breadth of innovations coming from Echizen's endeavors.
Conclusion
Isao Echizen stands out as a pivotal inventor in the realms of digital watermarking and content control. His significant contributions, through nearly two decades of patenting innovative technologies, reflect a commitment to advancing the safety and reliability of digital content. As technology continues to evolve, Echizen's work remains crucial in shaping the landscape of digital security.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.