Location History:
- Chiyoda-ku, JP (2008)
- Yokohama, JP (2009)
Company Filing History:
Years Active: 2008-2009
Title: Tomoharu Hasegawa: Innovator in Optical Technologies
Introduction
Tomoharu Hasegawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technologies, particularly in the development of non-lead optical glass and advanced optical fibers. His innovative work has led to the filing of multiple patents, showcasing his expertise and dedication to research and development.
Latest Patents
Hasegawa holds 2 patents that reflect his cutting-edge research. His latest patents include a non-lead optical glass, which consists of various components such as BiO, BO, GaO, and InO, among others. This glass is designed to be environmentally friendly while maintaining high optical performance. Additionally, he has developed a nonlinear fiber that features a third-order nonlinear coefficient of at least 30 Wkm. This fiber is integral to a wavelength conversion method that generates converted light through four-wave mixing, utilizing Er or Tm in its cladding.
Career Highlights
Hasegawa is currently employed at Asahi Glass Company, Limited, where he continues to push the boundaries of optical technology. His work has not only advanced the field but has also contributed to the company's reputation as a leader in glass manufacturing and innovation.
Collaborations
Throughout his career, Hasegawa has collaborated with notable colleagues, including Tatsuo Nagashima and Naoki Sugimoto. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Tomoharu Hasegawa's contributions to optical technologies exemplify the spirit of innovation. His patents and ongoing work at Asahi Glass Company, Limited, highlight his commitment to advancing the field and creating sustainable solutions.