This inventor holds 13 USPTO granted patents. Top assignees: Fuji Photo Optical Co., Ltd., Fujinon Corporation, Fujifilm Corporation. Active years: 1999-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Omiya, JP (1999)
- Kitakatushika, JP (2000)
- Kitakatsushika-gun, JP (2005 - 2007)
- Saitama, JP (2000 - 2012)
Company Filing History:



Years Active: 1999-2012
Title: Kimiaki Nakazawa: Innovator in Projection Technology
Introduction
Kimiaki Nakazawa is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of optical technology, particularly in projection lenses and display devices. With a total of 13 patents to his name, Nakazawa's work has had a considerable impact on the industry.
Latest Patents
Among his latest innovations is a projection lens and projection display device that boasts a compact size, a simple inner focus structure, high optical performance, and a wide angle of view of approximately 75 degrees or more. This projection lens features a first lens group with negative refractive power, a second lens group with positive refractive power, and a third lens group also with positive refractive power, arranged sequentially from the magnification side. The design allows for focus adjustment by moving a fifth lens along the optical axis. Additionally, he has developed a projection zoom lens that includes a positive first lens group, a negative second and third lens group, and a positive fourth lens group, all working in correlation during power-varying.
Career Highlights
Kimiaki Nakazawa has worked with notable companies in the optical industry, including Fuji Photo Optical Co., Ltd. and Fujinon Corporation. His expertise in lens design and optical performance has positioned him as a key figure in the development of advanced projection technologies.
Collaborations
Throughout his career, Nakazawa has collaborated with talented individuals such as Hiroshi Yamada and Tomoyuki Baba. These partnerships have contributed to the successful development of innovative optical solutions.
Conclusion
Kimiaki Nakazawa's contributions to projection technology through his numerous patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in optical devices and projection systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile