Location History:
- Ohta-ku, Tokyo, JP (1987)
- Mito, JP (1982 - 2000)
- Mito-shi, Ibaraki, JP (2000)
- Yokohama, JP (2014 - 2018)
Company Filing History:
11 out of 5,289 
7 out of 164 
1 out of 522 Years Active: 1982-2018
Title: **Hiroshi Terui: A Pioneer in Optical Waveguide Technology**
Introduction
Hiroshi Terui, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of optical technologies. With a remarkable portfolio of 14 patents, he has demonstrated his innovative prowess through various inventions, particularly in the area of optical waveguides.
Latest Patents
Among his latest inventions is an advanced **Optical Waveguide Device and Module**. This waveguide device features a unique termination structure filled with a light-blocking material, which effectively terminates unnecessary optical power from a waveguide end. The design involves the removal of the cladding and core to create a groove on the optical waveguide. This groove contains a light-blocking material that attenuates the intensity of light entering the termination structure. As a result, this invention significantly suppresses crosstalk that could adversely affect other optical devices, especially those integrated within the same substrate or connected directly to it.
Career Highlights
Hiroshi Terui's career is marked by his tenure at notable companies, including Nippon Telegraph and Telephone Corporation (NTT) and NTT Electronics Corporation. His role at these institutions helped him refine his skills and innovate in the field of optical communications, paving the way for advancements in technology.
Collaborations
Throughout his career, Terui has collaborated with several talented individuals, including Masahiro Yanagisawa and Tomoyo Shibazaki. These collaborations have not only enriched his work but have also contributed to the broader field of optical engineering through shared expertise and innovative ideas.
Conclusion
Hiroshi Terui's contributions to optical waveguide technology showcase his ability to solve complex challenges in the field of optical communications. With his extensive patent portfolio and collaborative spirit, he continues to inspire future innovations and advancements in technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.