Company Filing History:
5 out of 16,453 
1 out of 13,307 Years Active: 2011-2016
Title: Keiichi Zaitsu: Innovator in Optical Technology
Introduction
Keiichi Zaitsu is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical technology, holding a total of six patents. His work has been instrumental in advancing the design and functionality of various optical devices.
Latest Patents
One of Zaitsu's latest patents is a surface light source apparatus that features cut-out portions where a reflecting portion is not present. This innovative apparatus includes an end face for taking in light emitted from a light source and a main surface for emitting that light. Additionally, it comprises multiple structure bodies formed on an opposed surface, each with a reflecting surface facing the point light source. Each structure body also has a cut-off portion that removes a portion of the reflecting surface in both the longitudinal and height directions.
Another notable patent is his work on a single focal length lens system, which includes an interchangeable lens apparatus and a camera system. This system consists of a front lens unit, a focusing lens unit, and a rear lens unit, with specific conditions regarding the focal lengths to ensure optimal performance. The focusing lens unit features a cemented lens made of a negative lens and a positive lens, along with a positive single lens that has an aspheric surface.
Career Highlights
Throughout his career, Keiichi Zaitsu has worked with renowned companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in optical technology.
Collaborations
Zaitsu has collaborated with notable coworkers, including Kyoichi Miyazaki and Shunichiro Yoshinaga. Their combined expertise has fostered an environment of creativity and innovation, leading to the development of advanced optical solutions.
Conclusion
Keiichi Zaitsu's contributions to optical technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence the industry and pave the way for future advancements.