Company Filing History:
Years Active: 2002-2012
Title: The Innovative Journey of Tetsumi Sumiyoshi
Introduction
Tetsumi Sumiyoshi, a distinguished inventor based in Tokyo, Japan, has made remarkable contributions to the field of laser technology and substrate manufacturing. With an impressive portfolio of five patents, his work has significantly impacted the way optical devices operate and improve manufacturing processes.
Latest Patents
Sumiyoshi's latest patents showcase his expertise and innovative spirit. One of his notable inventions is a substrate manufacturing method that includes a protrusion removing step. This technique employs a short pulse laser to modify color filters. The process involves scanning a transparent substrate with a beam in a parallel direction while irradiating protrusions formed on the color filters, allowing for effective removal or modification of unwanted elements.
Another significant patent focuses on a problem diagnosis method and repair technique for laser devices. This method measures the intensity of scattered light generated by optical components within the laser device. By analyzing the temporal changes in scattered light, he can predict the severity of issues and determine the necessary maintenance work. His approach leverages fuzzy logic to predict problem seriousness, further enhancing the reliability of laser technologies.
Career Highlights
Tetsumi Sumiyoshi has collaborated with prominent companies such as Cyber Laser Inc. and NEC Corporation, where he has honed his skills in optical device innovation and laser technology. His career is marked by a commitment to advancing the capabilities of laser systems and substrate manufacturing.
Collaborations
Throughout his career, Sumiyoshi has worked alongside esteemed colleagues, including Hitoshi Sekita and Akira Shiratori. These collaborations have fostered an environment of innovation, pushing the boundaries of what is possible in laser technology.
Conclusion
Tetsumi Sumiyoshi's inventive mind and dedication to improving laser technology through his patents set him apart as a key player in his field. His contributions continue to influence the industry, shaping the future of optical devices and substrate manufacturing. As he continues to innovate, the impact of his work will undoubtedly be felt for years to come.