This inventor holds 6 USPTO granted patents. Top assignee: Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1984-1989.
Company Filing History:
Years Active: 1984-1989
Title: Shigetada Sato: Innovator in Zoom Lens Technology
Introduction
Shigetada Sato is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of compact zoom lenses. With a total of 6 patents to his name, Sato continues to push the boundaries of innovation in lens design.
Latest Patents
One of Sato's latest patents involves a zoom lens that boasts a compact size and excellent performance. This innovative design features a front diverging lens group and a rear converging lens group that are mechanically movable for variable power. The front diverging lens consists of a first lens of negative meniscus, which is convex toward an object, a second negative lens, and a third lens of positive meniscus, also convex toward the object. The rear converging lens includes a fourth positive lens, a fifth positive lens, a sixth negative lens, and a seventh positive lens. Notably, there is an aperture positioned closer to the object than the rear group, which moves in conjunction with the rear group.
Career Highlights
Sato is currently employed at Asahi Kogaku Kogyo Kabushiki Kaisha, a company renowned for its advancements in optical technology. His work has been instrumental in enhancing the performance and versatility of zoom lenses, making them more accessible for various applications.
Collaborations
Throughout his career, Sato has collaborated with notable colleagues, including Sadao Okudaira and Ryota Ogawa. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Shigetada Sato's contributions to the field of optical technology, particularly in zoom lens design, highlight his role as a leading inventor. His innovative patents and collaborations continue to shape the future of lens technology.