Company Filing History:
Years Active: 1997-1998
Title: Kiyotada Nakamura: Innovator in Mercury Lamp Technology
Introduction
Kiyotada Nakamura is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of lighting technology, particularly through his innovative designs of mercury lamps. With a total of 3 patents to his name, Nakamura's work has had a lasting impact on various applications in the semiconductor industry.
Latest Patents
Nakamura's latest patents include a high power mercury lamp of the short arc type with a specific cathode. This lamp achieves stable, long-term luminous operation by utilizing a unique design where the cathode is installed on the tip of a rod-shaped component extending from hermetically sealed portions of the arc tube. The cathode's greater outer diameter compared to the rod-shaped component enhances its performance.
Another significant patent is for a semiconductor exposure device that employs a mercury lamp as an exposure light source. This device boasts excellent throughput and is capable of providing efficient i-ray output with a small i-ray half width value, which allows for the correction of chromatic aberration. The device includes an illumination optical system and a projection optical system, ensuring precise image projection on the target surface.
Career Highlights
Throughout his career, Kiyotada Nakamura has worked with prominent companies such as Ushio Denki and Nikon Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in lighting technology.
Collaborations
Nakamura has collaborated with notable coworkers, including Osamu Inoue and Shinkichi Morimoto. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of advanced technologies in their field.
Conclusion
Kiyotada Nakamura's contributions to mercury lamp technology and semiconductor exposure devices highlight his role as a key innovator in the industry. His patents reflect a commitment to enhancing performance and efficiency in lighting applications.