This inventor holds 10 USPTO granted patents. Top assignees: Fuji Photo Film Company, Limited, Copal Company Limited, Minolta Camera Kabushiki Kaisha. Active years: 1988-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
5 out of 16,458 
3 out of 192 
1 out of 2,979 
Years Active: 1988-2013
Title: Norifumi Nakagawa: Innovator in Optical Technologies
Introduction
Norifumi Nakagawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technologies, holding a total of 10 patents. His innovative work focuses on enhancing the functionality and accuracy of lighting and optical measurement systems.
Latest Patents
One of Nakagawa's latest inventions is a lighting apparatus designed to accurately measure the temperature of an optical member that transmits light from a light source. This apparatus includes a light source, an optical member, a temperature measuring section, a storing section for profile information, and a temperature determining section. This design allows for precise temperature measurements without obstructing the optical path of the emitted light.
Another notable invention is an optical angle detection apparatus. This device features a single optical distance measurement unit positioned opposite a plane object. It includes a light projecting portion and a light receiving portion that outputs a distance measurement signal. The apparatus also incorporates an optical axis deflector to switch measurement positions, enabling the calculation of the tilt angle of the plane based on the obtained distances.
Career Highlights
Throughout his career, Nakagawa has worked with esteemed companies such as Fuji Photo Film Company, Limited and Copal Company Limited. His experience in these organizations has contributed to his expertise in optical technologies and innovation.
Collaborations
Some of Nakagawa's notable coworkers include Kouichi Kobayashi and Tomio Kurosu. Their collaboration has likely fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Norifumi Nakagawa's contributions to optical technologies through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for future innovations in lighting and optical measurement systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile