Location History:
- Tokyo, JP (1997 - 1998)
- Kawaguchi, JP (1997 - 2002)
Company Filing History:
8 out of 264 
4 out of 42,508 
Years Active: 1997-2002
Title: Yutaka Okunoki: Innovator in Video Signal Processing
Introduction
Yutaka Okunoki is a prominent inventor based in Kawaguchi, Japan. He has made significant contributions to the field of video signal processing, holding a total of eight patents. His innovative methods have advanced the way moving picture information is compressed and decompressed.
Latest Patents
One of Okunoki's latest patents is a method for compressing and decompressing moving picture information and a video signal processing system. This method ensures that a key signal is accurately reproduced while allowing for efficient coding. During the coding process, a conversion is performed to increase the distance between an ordinary digitized video signal and a key signal that indicates whether an image represents background or foreground. This approach enhances data compression. In the decoding phase, the video signal and key signal of the decompressed image are separated based on a predetermined threshold, allowing for reverse conversion to be executed. This separation ensures that both the video signal and key signal can be accurately reproduced.
Another notable patent is for an image output apparatus and image decoder. This apparatus enables asynchronous data access by a host controller in response to image data transfer requests. It achieves this with minimal additional circuitry and without the need for an external data buffer. The apparatus includes a storage device for image data, a display circuit for reading and converting the image data, a timing controller for managing the display circuit's operation, and an output circuit that adjusts the timing controller's operation mode based on data transfer requests.
Career Highlights
Throughout his career, Yutaka Okunoki has worked with notable companies such as Sega Enterprises, Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in video technology and innovation.
Collaborations
Okunoki has collaborated with talented individuals in the field, including Junichi Kimura and Tadashi Saitoh. These partnerships have likely fostered a creative environment that has led to significant advancements in their projects.
Conclusion
Yutaka Okunoki's contributions to video signal processing through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to shape the industry and enhance the way we experience moving images.