This inventor holds 12 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1994-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kamakura, JP (1994 - 1995)
- Kanagawa, JP (1996 - 2001)
- Tokyo, JP (1997 - 2009)
Company Filing History:
Years Active: 1994-2009
Title: Toshiaki Shimada: Innovator in Moving Picture Encoding Systems
Introduction
Toshiaki Shimada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of moving picture encoding systems, holding a total of 12 patents. His work has advanced the technology used in encoding and decoding video data, making it more efficient and effective.
Latest Patents
One of Shimada's latest patents is a moving picture encoding system. This system includes an encoding control unit that sets a target quantiser step size for encoding different types of pictures within a unit group. The control unit performs operations to generate and provide a quantiser step size to an encoding unit, ensuring that the ratio among the target quantiser step sizes for various picture types is predetermined. The system is designed to control the amount of codes generated during encoding while maintaining relative picture quality among adjacent pictures over time.
Another notable patent involves a variable length coding unit and a variable length decoding unit. This unit features a run-length converter that transforms block data into a zero-run number and a level value based on a scanning sequence. The table memory stores variable length codes (VLC) and their lengths, which the variable length encoder uses to perform coding by cutting the VLC according to the length specified. This flexible approach allows the unit to accommodate various coding schemes, including international standards.
Career Highlights
Toshiaki Shimada is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of video encoding technologies. His work has been instrumental in enhancing the efficiency of video data processing, which is crucial in today's digital landscape.
Collaborations
Shimada has collaborated with notable colleagues, including Tokumichi Murakami and Takashi Matsumoto. Their combined expertise has contributed to the development of advanced technologies in the field.
Conclusion
Toshiaki Shimada's contributions to moving picture encoding systems have significantly impacted the industry. His innovative patents and collaborative efforts continue to shape the future of video technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile