Location History:
- Osaka, JP (1991 - 1993)
- Higashiosaka, JP (1987 - 1997)
Company Filing History:
Years Active: 1987-1997
Title: Yasuo Hawai: Innovator in Optical Technology
Introduction
Yasuo Hawai is a notable inventor based in Higashiosaka, Japan. He has made significant contributions to the field of optical technology, holding a total of 7 patents. His innovative designs have advanced the functionality and efficiency of various optical devices.
Latest Patents
One of his latest patents is a lens assembly that zooms by the combined movement of plural barrels. This lens assembly allows for the movement of at least one lens unit by combining the relative movements of at least two barrels. A linear advancement barrel moves straight ahead relative to a fixed barrel, with a first lens unit moving together with the linear advancement barrel. Additionally, a second lens unit is positioned in front of the first lens unit along the optical axis, while a third lens unit is located behind it. The cam ring, which moves with the linear advancement barrel, rotates around the optical axis and features first and second cams that adjust the positions of the second and third lens units accordingly.
Another significant patent is an apparatus for feeding photographic film that has two perforations per frame. This film feeding apparatus is designed for cameras using film with two perforations in each frame. It includes a perforation detecting lever with claws spaced at a predetermined distance, equal to the distance between the two adjacent perforations across frame boundaries. This design allows for seamless film feeding until both claws engage the respective perforations after advancing one frame.
Career Highlights
Yasuo Hawai has worked with prominent companies in the optical industry, including Minolta Camera Kabushiki Kaisha and Minolta Company, Ltd. His experience in these organizations has contributed to his expertise in optical technology and innovation.
Collaborations
Throughout his career, Yasuo has collaborated with notable coworkers such as Akira Kataoka and Kunio Kawamura. These partnerships have likely fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yasuo Hawai's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative designs continue to impact the industry and inspire future advancements.