Location History:
- Tokyo, JP (1998 - 2018)
- Atsugi, JP (2017 - 2023)
Company Filing History:
7 out of 5,290 
2 out of 41 
1 out of 2,946 
Years Active: 1998-2023
Title: **Joji Yamaguchi: A Pioneer in Swept Light Source Innovation**
Introduction
Joji Yamaguchi, based in Atsugi, Japan, is an accomplished inventor with a remarkable portfolio of seven patents. His innovative work primarily focuses on advancements in swept light sources, which are critical for various optical applications. Yamaguchi's latest patents reflect his dedication to enhancing coherence lengths and data generation methods within this field.
Latest Patents
Among his notable inventions is the "Swept Light Source and Drive Data Generation Method and Optical Deflector for Swept Light Source." This invention maintains a long coherence length of an output beam across an entire sweep wavelength range. By adjusting the gain of a gain medium responsively during a wavelength sweep, Yamaguchi ensures that the coherence length remains optimal. His approach narrows the unsaturated gain range while keeping the gain close to the lasing threshold, thus enhancing the performance and reliability of the optical devices. Additionally, he introduces a method for acquiring SOA (Semiconductor Optical Amplifier) current waveform data, a novel method for measuring coherence length, and an optical deflector specifically designed for swept light sources.
Career Highlights
Yamaguchi has a distinguished career, having worked with leading organizations like Nippon Telegraph and Telephone Corporation and NTT Advanced Technology Corporation. His expertise in optics and innovation has significantly contributed to the advancements seen in his patented technologies.
Collaborations
Collaboration is key in innovation, and Joji Yamaguchi has worked alongside esteemed colleagues, including Takashi Sakamoto and Yuzo Sasaki. These partnerships have helped foster the creativity and ingenuity that define his work, leading to groundbreaking developments in the optical field.
Conclusion
In conclusion, Joji Yamaguchi stands out as a leading inventor in the realm of swept light source technologies. His patent achievements and collaborative efforts illustrate not only his contributions to optical innovations but also his impact on the scientific community. As he continues to push the boundaries of technology, Yamaguchi's work is sure to influence future developments in this vital area of research.