Location History:
- Ibaraki, JP (1991 - 1999)
- Hitachi, JP (1989 - 2014)
Company Filing History:
8 out of 836 
3 out of 614 
2 out of 42,508 
Years Active: 1989-2014
Title: Innovations of Tatsuo Teraoka
Introduction
Tatsuo Teraoka is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of optical technology, holding a total of 10 patents. His work focuses on advancements in optical fiber processing and wavelength multiplexing.
Latest Patents
Teraoka's latest patents include an optical fiber end processing method and an optical fiber end processing apparatus. The optical fiber end processing method involves fixing two portions of an optical fiber, heating and fusing the fiber between these portions to create a heat fusion region. This process continues with the movement of a heat fusion unit to form a second heat fusion region, ultimately removing the first heat fusion region by cutting the optical fiber. Another notable patent is the optical wavelength multiplexer/demultiplexer, which features a substrate, input and output channel waveguides, and a channel waveguide array. This invention incorporates temperature compensation materials to enhance performance.
Career Highlights
Throughout his career, Teraoka has worked with notable companies such as Hitachi Cable, Inc. and NKK Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Teraoka has collaborated with esteemed colleagues, including Yoshiyuki Hiramoto and Shigeo Toya. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Tatsuo Teraoka's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative methods and devices continue to influence advancements in optical fiber processing and wavelength multiplexing.