Location History:
- Shizuoka, JP (2003 - 2005)
- Osaka, JP (2004 - 2005)
Company Filing History:
Years Active: 2003-2005
Title: Kenjiro Hasui: Innovator in Optical Fiber Technology
Introduction
Kenjiro Hasui is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 5 patents. His work focuses on enhancing the performance and functionality of optical components, particularly in the realm of polarization.
Latest Patents
Hasui's latest patents include innovative designs such as the polarizer-equipped optical fiber ferrule, connector, and connector adaptor. This invention provides a polarizer-attached optical fiber ferrule, a polarizer-attached optical fiber connector, and a polarized-attached optical fiber connector adapter for coupling a linear polarizer with one or more optical fibers without employing a lens. The design features an optical fiber, a ferrule fitted on the periphery of the optical fiber, and a linear polarizer inserted into slits that cross the optical fiber.
Another notable patent is the infrared broadband dichroic glass polarizer. This invention involves polarized glass articles that have a wavelength range broadened for high contrast-ratio applications. The method imparts a high contrast ratio of at least 40 dB for use as dichroic glass polarizers over a wavelength range of 880 nm to 1,690 nm while maintaining a high transmission value. The process includes heating the glass article in a reducing atmosphere, preferably hydrogen, at a temperature ranging from 400 to 450°C for a period of 12 to 30 hours.
Career Highlights
Kenjiro Hasui is currently employed at Corning Incorporated, a leading company in the field of materials science and optical technology. His work at Corning has allowed him to push the boundaries of optical fiber applications and contribute to advancements in the industry.
Collaborations
Hasui has collaborated with notable colleagues such as Yoshiaki Takeuchi and William R. Birch. These collaborations have further enriched his research and development efforts in optical technologies.
Conclusion
Kenjiro Hasui is a distinguished inventor whose work in optical fiber technology has led to significant advancements in the field. His innovative patents reflect his commitment to enhancing optical performance and functionality.