Location History:
- Ota-Ku, JP (2011 - 2013)
- Tokyo, JP (2007 - 2024)
Company Filing History:
13 out of 1,556 
1 out of 1,234 Years Active: 2007-2024
Title: Nobuyasu Kitahara: Innovator in Protective Film Technologies
Introduction
Nobuyasu Kitahara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of protective film technologies, holding a total of 13 patents. His innovative approaches have advanced methods for measuring and processing protective films, showcasing his expertise and creativity in this specialized area.
Latest Patents
One of Kitahara's latest patents is a protective film thickness measuring method. This method involves applying light to the top surface of a wafer without a protective film and measuring the first reflection intensity. Following this, a protective film containing a light-absorbing material is formed, and the film is irradiated with exciting light to measure the second reflection intensity, which includes fluorescence. By subtracting the first reflection intensity from the second, the fluorescence intensity of the protective film can be calculated. Another notable patent is a processing method of a workpiece, where a protective film made of water-insoluble resin is formed on the front surface of a workpiece. The protective film is then deteriorated using an organic solvent, followed by removal with cleaning water.
Career Highlights
Throughout his career, Nobuyasu Kitahara has worked with notable companies such as Disco Corporation and Tokyo Ohka Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the field of protective films.
Collaborations
Kitahara has collaborated with esteemed colleagues, including Toshiyuki Yoshikawa and Satoshi Genda. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Nobuyasu Kitahara's work in protective film technologies has established him as a key figure in the field. His patents reflect a deep understanding of material science and innovative processing methods. His contributions continue to influence advancements in protective film applications.