This inventor holds 2 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1994-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1994)
- Yokohama, JP (1997)
Company Filing History:
Years Active: 1994-1997
Title: Atsufumi Ishizuka: Innovator in Optical Technology
Introduction
Atsufumi Ishizuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 2 patents. His work focuses on advancements in optical pickups and lens actuators, which are essential components in various optical devices.
Latest Patents
Ishizuka's latest patents include an innovative optical pickup that comprises a heat-insulating material. This optical pickup features an object lens, a lens holder, and a visco-elastic suspender that allows for movement in both focusing and tracking directions. The driving section includes a magnet, a yoke, and a driving coil, with a heat-insulating area strategically placed between the object lens and the driving coil. This area is designed to enhance performance by utilizing a heat-insulating material with lower thermal conductivity than the lens holder.
Another notable patent is the objective lens actuator, which drives an objective lens in a radial direction of a disklike recording medium. This actuator is designed to facilitate the optical writing and reading of information on the recording medium. It features a U-shaped lens holder, drive members, a base member, and four rodlike elastic members that support the lens holder, ensuring precise movement and stability.
Career Highlights
Atsufumi Ishizuka is associated with Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work at this esteemed organization has allowed him to contribute to cutting-edge technologies in the optical field.
Collaborations
Ishizuka has collaborated with notable coworkers, including Hiroto Inoue and Yukihiro Okada. Their combined expertise has further advanced the development of optical technologies.
Conclusion
Atsufumi Ishizuka's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative designs continue to impact the field and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile