Location History:
- Sakai, JP (1984 - 1988)
- Osaka, JP (1990)
Company Filing History:
Years Active: 1984-1990
Title: Ken Nagasaka: Innovator in Optical Mechanisms
Introduction
Ken Nagasaka is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of optical mechanisms, holding a total of 3 patents. His work focuses on innovative designs that enhance the functionality of optical devices.
Latest Patents
One of his latest patents is the lens driving cam mechanism. This mechanism includes a zoom cylinder that rotates about the optical axis of the lens, along with a zoom cam ring that is incapable of rotation about the optical axis. The design features a front cam portion and a rear cam portion formed on the zoom cylinder, with cam followers that interact with these portions. As the zoom cylinder rotates, the zoom cam ring is moved along the optical axis, allowing for precise adjustments.
Another significant patent is the optical element holding mechanism and method of manufacturing the same. This mechanism consists of a holding frame and a retaining member. The holding frame includes first and second positioning portions that ensure the optical element is accurately positioned along the optical axis. The process involves applying supersonic vibration to generate heat, which welds the contact portion of the holding frame and the retaining member, establishing a secure positioning for the optical element.
Career Highlights
Ken Nagasaka has worked with prominent companies in the optical industry, including Minolta Camera Kabushiki Kaisha and Minolta Camera Corporation. His experience in these organizations has contributed to his expertise in optical mechanisms and innovations.
Collaborations
Throughout his career, Ken has collaborated with notable coworkers such as Masaharu Shigoku and Masakazu Nakanishi. These partnerships have likely influenced his inventive processes and led to the development of his patents.
Conclusion
Ken Nagasaka is a distinguished inventor whose work in optical mechanisms has led to several innovative patents. His contributions continue to impact the field of optics, showcasing his dedication to advancing technology.