Company Filing History:
10 out of 481 
1 out of 364 
Years Active: 2014-2019
Title: Youichi Hosokawa: Innovator in Optical Technology
Introduction
Youichi Hosokawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 10 patents. His work focuses on developing advanced optical devices that enhance performance and efficiency.
Latest Patents
One of his latest innovations is an optical waveguide device designed to suppress excess optical loss at a low level. This device includes a substrate with an electro-optic effect, an optical waveguide formed on the substrate, and a control electrode that manages light waves propagating through the waveguide. The design features a narrow portion at the intersection of the signal electrode, which is narrower than adjacent sections, optimizing performance.
Another notable patent is an optical modulator that ensures low-voltage drive and stable modulation characteristics across a wide bandwidth. This modulator consists of a substrate with an optical waveguide, a modulation electrode for light wave modulation, and an external signal line that supplies modulation signals. The impedance values are carefully adjusted to enhance the device's functionality in both low and high-frequency areas.
Career Highlights
Throughout his career, Youichi Hosokawa has worked with esteemed organizations such as Sumitomo Osaka Cement Co., Ltd. and the National Institute of Information and Communications Technology. His experience in these institutions has allowed him to refine his expertise in optical technologies and contribute to groundbreaking advancements in the field.
Collaborations
Youichi has collaborated with notable colleagues, including Norikazu Miyazaki and Kei Katou. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Youichi Hosokawa's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in optical devices, showcasing the importance of innovation in technology.