This inventor holds 3 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1976-1977.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976-1977
Title: Innovations by Yukio Shirai
Introduction
Yukio Shirai is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of imaging technology, holding a total of 3 patents. His work primarily focuses on enhancing the efficiency and functionality of devices used in the processing of microfilm.
Latest Patents
One of his latest inventions is the enlarger-printer. This device allows for the sequential feeding of aperture cards, each containing a microfilm, from a card hopper. The cards are scanned in a manner that optimizes the exposure of a photosensitive member, resulting in an enlarged latent image. The design includes features that reduce scanning time and allows for simultaneous adjustments of lenses, exposing slits, and scanning speeds. Additionally, a mark reader can automate the switching operations, enhancing the overall efficiency of the device.
Another significant invention by Shirai is the jacket holder. This device is designed to hold jackets that contain strips of microfilm. The jacket holder consists of two hinged plate members that facilitate the easy insertion of film strips into pockets. The innovative design includes raised and recessed surfaces that simplify the process of inserting film strips, and it also features an automatic insertion system.
Career Highlights
Yukio Shirai is associated with Ricoh Company, Ltd., a leading firm in imaging and electronics. His work at Ricoh has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation in imaging technology.
Collaborations
Shirai has collaborated with notable coworkers such as Hiroshi Yamada and Hisanori Ataka. Their combined expertise has likely contributed to the successful development of his innovative patents.
Conclusion
Yukio Shirai's contributions to imaging technology through his patents reflect his commitment to innovation and efficiency. His work continues to influence the field, showcasing the importance of inventive thinking in advancing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile