Company Filing History:
Years Active: 1996-2002
Title: **Innovator Spotlight: Yasuhiko Okuhara**
Introduction
Yasuhiko Okuhara is a notable inventor based in Tokyo, Japan, recognized for his impactful contributions to digital information processing technology. With a robust portfolio of three patents, Okuhara exemplifies innovation in the realm of audio and video signal protection and processing.
Latest Patents
One of Okuhara's latest innovations is a **Digital Information Processing System with Copy Protection Subsystem**. This system is designed to ensure illegal-copy protection of video and audio signals without altering the structure or format of the multiplexed video, audio, and data packet stream. The intricate design of the packet demultiplexer allows it to select packets based on their identifiers, channeling video and audio packets through distinct pathways for decoding, while directing data packets towards digital processing and storage solutions.
In addition, Okuhara has developed an **Image Data Processor**, which features an advanced encoding mechanism. This invention entails embedding an electronic mark within a characteristic part of an image converted to the spatial frequency domain. The encoded image is then quantized and processed through a variable length encoder, resulting in compression-coded digital image data. A corresponding decoder restores the encoded image data, detecting the electronic mark and showcasing the detection results.
Career Highlights
Yasuhiko Okuhara's tenure at NEC Corporation highlights his dedication to advancing technology. He has played an essential role in the development of cutting-edge solutions that enhance the protection and processing of digital content. His inventive breakthroughs have positioned him as a key figure in the field of digital information systems.
Collaborations
Throughout his career, Okuhara has collaborated with esteemed colleagues, including Shiro Fujihara and Hirotaka Nakano. Their combined expertise in technology development has fostered an environment of innovation that leads to remarkable breakthroughs in their projects.
Conclusion
Yasuhiko Okuhara exemplifies the spirit of innovation with his impressive array of patents and contributions to digital technology. His work continues to influence the industries of audio and video processing, paving the way for more secure and efficient systems. As we look forward to further advancements from inventors like Okuhara, his legacy inspires both current and future generations of innovators.