Location History:
- Mito, JP (1993 - 1997)
- Tokyo, JP (1999)
- Hitachinaka, JP (1999)
Company Filing History:
7 out of 5,290 
7 out of 10,264 
Years Active: 1993-1999
Title: Yoshiaki Miyajima: Innovator in Optical Technology
Introduction
Yoshiaki Miyajima is a prominent inventor based in Mito, Japan. He has made significant contributions to the field of optical technology, holding a total of 8 patents. His work has advanced the development of optical fibers and connectors, showcasing his expertise and innovative spirit.
Latest Patents
Miyajima's latest patents include an innovative optical fiber design. This optical fiber consists of a core, a first cladding, a second cladding, and a third cladding. The core has a refractive index denoted as n.sub.0, while the first cladding, formed around the core, has a refractive index of n.sub.1. The second and third claddings have refractive indices of n.sub.2 and n.sub.3, respectively. The relationships between these refractive indices are defined as n.sub.1 > n.sub.2 > n.sub.3 and n.sub.1 > n.sub.0. Additionally, he has developed an optical connector that features an optical filter with a waveguide structure. This connector includes a grating with a predetermined reflection wavelength and a plug attached to the tip of the optical filter. The design incorporates various light-blocking structures to prevent unnecessary light from traveling through the filter region.
Career Highlights
Throughout his career, Yoshiaki Miyajima has worked with notable companies, including Nippon Telegraph and Telephone Corporation and Sumitomo Electric Industries. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.
Collaborations
Miyajima has collaborated with esteemed colleagues such as Masashi Onishi and Koji Nakazato. These partnerships have fostered a creative environment that has led to innovative solutions in the field.
Conclusion
Yoshiaki Miyajima's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in optical fibers and connectors, showcasing the importance of innovation in technology.