Location History:
- Sodegaura, JP (1999 - 2001)
- Ithaca, NY (US) (2003)
Company Filing History:
Years Active: 1999-2003
Title: Yumi Naito: Innovator in Semiconductor Laser Technology
Introduction
Yumi Naito is a prominent inventor based in Sodegaura, Japan. She has made significant contributions to the field of semiconductor laser technology, holding a total of 6 patents. Her innovative work has paved the way for advancements in laser devices, enhancing their efficiency and reliability.
Latest Patents
Naito's latest patents include a semiconductor laser apparatus and a semiconductor laser device. The semiconductor laser apparatus features a complex structure built on an n-type GaAs substrate, which includes multiple layers such as an n-type cladding layer, an n-type optical waveguide layer, and an active layer composed of an InGaAs quantum well layer. This design effectively inhibits the occurrence of wavelength split due to higher-order modes, thereby stabilizing higher power operation. The semiconductor laser device, on the other hand, is designed with an n-GaAs substrate and incorporates a diffraction grating of cyclic bumps and dips. This configuration allows for low oscillation thresholds, high oscillation efficiency, and long lifetimes, making it a reliable choice for various applications.
Career Highlights
Yumi Naito is currently employed at Mitsui Chemicals, Inc., where she continues to innovate and develop cutting-edge technologies. Her work has garnered attention in the semiconductor industry, and she is recognized for her expertise in laser technology.
Collaborations
Naito has collaborated with notable colleagues such as Tsuyoshi Fujimoto and Atsushi Okubo. These partnerships have contributed to her success and the advancement of her projects.
Conclusion
Yumi Naito's contributions to semiconductor laser technology exemplify her dedication to innovation and excellence. Her patents reflect her commitment to enhancing the performance and reliability of laser devices.