Location History:
- Ibaraki, JP (1998)
- Tokyo, JP (1992 - 2006)
Company Filing History:
Years Active: 1992-2006
Title: Innovations of Yoshiyasu Ueno
Introduction
Yoshiyasu Ueno is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical communication, holding a total of 12 patents. His work focuses on advanced methods and systems that enhance the efficiency and stability of optical signal processing.
Latest Patents
Among his latest patents is a "Method and system for all-optical signal regeneration." This innovative system allows for the desired intensity noise suppression function concerning pulsed input signal light without increasing the injection current of semiconductor optical amplifiers. The design includes a series of delay interference units and nonlinear semiconductor waveguides that work together to generate output light with the desired properties. Another notable patent is the "Wavelength converter," which features a simple configuration that can be easily controlled and operated with stability. This converter is particularly useful for long-distance mass optical communication, utilizing a waveguide to induce changes in the nonlinear refractive index.
Career Highlights
Yoshiyasu Ueno is currently employed at NEC Corporation, where he continues to push the boundaries of optical technology. His work has been instrumental in developing systems that improve the performance of optical communication networks. Ueno's innovative approaches have garnered attention in the industry, making him a respected figure among his peers.
Collaborations
Ueno has collaborated with notable coworkers, including Kazuhito Tajima and Shigeru Nakamura. Their combined expertise has contributed to the advancement of optical technologies and the successful development of various patents.
Conclusion
Yoshiyasu Ueno's contributions to optical communication through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in technology, making a lasting impact on the industry.