This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Funai Electric Company Ltd.. Active years: 2006-2007.
Location History:
- Osaka, JP (2006 - 2007)
- Daito, JP (2007)
Company Filing History:
Years Active: 2006-2007
Title: Yoshiaki Ukawa: Innovator in Optical Disc Technology
Introduction
Yoshiaki Ukawa is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 3 patents. His work focuses on enhancing the performance and reliability of optical disc playback systems.
Latest Patents
One of Ukawa's latest patents is an "Optical disc playback apparatus performing defocus adjustment of objective lens." This invention includes a defocus amount specifying circuit that identifies a focus error minimum defocus amount (FMDF) and a jitter minimum defocus amount (JMDF). These amounts are crucial for optimizing focus control during both seek operations and playback. Another notable patent is for an "Optical disc apparatus," which features an innovative optical pickup design. This design allows for smooth movement of the lens holder along a guide shaft, significantly reducing the chances of failure when focusing a laser beam on the data recording face of an optical disc.
Career Highlights
Yoshiaki Ukawa is currently employed at Funai Electric Company Ltd., where he continues to develop cutting-edge technologies in optical disc systems. His expertise and innovative spirit have positioned him as a key player in the industry.
Collaborations
Ukawa has collaborated with notable coworkers, including Yasunori Kuwayama and Toyoshi Nogami. Their combined efforts have contributed to advancements in optical disc technology.
Conclusion
Yoshiaki Ukawa's contributions to optical disc technology through his patents and work at Funai Electric Company Ltd. highlight his role as an influential inventor in the field. His innovations continue to shape the future of optical disc playback systems.