This inventor holds 57 USPTO granted patents and 5 published patent applications and 2 EPO patents, primarily in Lens Barrel Technology (CPC class G02B). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Intellectual Property Management Co., Ltd., Panasonic Corporation. Active years: 1999-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Tottori, JP (1999)
- Kadoma, JP (2001 - 2003)
- Moriguchi, JP (2001 - 2003)
- Yonago, JP (2000 - 2004)
- Osaka, JP (2004 - 2023)
Company Filing History:
24 out of 27,375 
23 out of 13,338 
10 out of 16,454 
Years Active: 1999-2024
Areas of Expertise:
Title: The Innovative Contributions of Hiroyasu Fujinaka
Introduction
Hiroyasu Fujinaka is a prominent inventor based in Osaka, Japan, recognized for his significant contributions to optical technologies. With an impressive portfolio of 57 patents, Fujinaka's work primarily focuses on lens systems and imaging devices. His ingenuity has made a lasting impact on the fields of photography and videography.
Latest Patents
Among his latest patents is the invention of a lens barrel and imaging device comprising a unique mechanism. This lens barrel incorporates a holding frame, a guide pole, and a focusing lens unit that can be smoothly guided along the guide pole. The actuator moves the focusing lens unit axially relative to the holding frame, while leaf springs support the guide pole, allowing for precise and controlled movement.
Another notable patent is the design of a lens drive unit that includes permanent magnets, a yoke, and a coil. The yoke is carefully structured with center yoke portions and a back yoke portion, connected in a manner that enhances magnetic efficiency. This innovative design optimizes the height of the center yoke portions, ensuring improved performance in optical applications.
Career Highlights
Fujinaka's career includes significant tenures at reputable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His dedication to advancing optical technology has been pivotal in many of the company's innovative projects.
Collaborations
Throughout his career, Hiroyasu Fujinaka has collaborated with notable colleagues, including Tetsuya Uno and Shigeru Otsuka. Their combined expertise has fostered an environment of creativity and innovation, driving the development of groundbreaking technologies in the lens and imaging sectors.
Conclusion
Hiroyasu Fujinaka's inventive spirit and commitment to optical technology have earned him recognition in the industry. With 57 patents to his name, he continues to pave the way for advancements that enhance our visual experiences. His work embodies the essence of innovation, demonstrating how dedication and creativity can lead to remarkable inventions that benefit society.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile