Location History:
- Shimizu, JP (2001 - 2003)
- Shizuoka, JP (1999 - 2005)
Company Filing History:
Years Active: 1999-2005
Title: **Masayuki Umehara: Innovator in Arc Tube Technology**
Introduction
Masayuki Umehara, an accomplished inventor based in Shizuoka, Japan, has made significant contributions to the field of arc tube technology. With six patents to his name, Umehara’s innovations are focused on enhancing the performance and reliability of arc tubes, which are critical components in various lighting applications.
Latest Patents
Among his latest patents is the invention titled "Arc tube and method of producing the same." This innovation introduces a reinforcement bending process applied to a metal foil before an electrode assembly is inserted into the quartz glass tube, helping to prevent deformation during insertion. This precise method ensures that the rod electrode's position can be easily identified using a camera, allowing for accurate adjustments in the insertion process.
Another notable patent is "Arc tube with pinch seal and dimensional relationship and method for forming the same." This invention outlines a method where a tungsten electrode and a molybdenum foil are joined and pinch sealed into the arc tube body. By controlling the overlapping lengths and distances during this process, Umehara effectively reduces leakage due to peeling and extends the lifespan of the arc tube.
Career Highlights
Masayuki Umehara works at Koito Manufacturing Company, Ltd., a renowned organization in the automotive lighting industry. His role has allowed him to apply his engineering expertise in creating innovative solutions that address specific challenges in arc tube performance.
Collaborations
Throughout his career, Umehara has collaborated with talented coworkers, including Hiroshi Goto and Hiroshi Gotoh. Their combined efforts have contributed to the development of advanced lighting technologies that have helped maintain the company's competitive edge in the market.
Conclusion
Masayuki Umehara continues to be a pivotal figure in the realm of lighting technology through his innovative patents and collaborations. His work not only enhances product performance but also sets new standards within the industry, showcasing the vital role of inventors in driving technological advancement.