Company Filing History:
Years Active: 2004-2006
Title: Hirokuni Ogawa: Innovator in Optical Technology
Introduction
Hirokuni Ogawa is a prominent inventor based in Sakura, Japan. He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work focuses on advancements in optical switches and communication systems, showcasing his expertise and innovative spirit.
Latest Patents
Ogawa's latest patents include an optical switch, an optical add-drop module, and an optical communication system. The optical switch he developed features a two input two output design that incorporates four one input two output type optical switches arranged to oppose one another. Each of these switches includes a Y branch portion, allowing one optical waveguide to branch into two. Additionally, two refractive index adjustment means are positioned near each Y branch portion, enabling the switching of optical paths through alternating functions of the refractive index adjustment means. Furthermore, the design includes a light output intensity variable attenuation function, which allows for the adjustment of light intensity at input and/or output ports.
Another notable patent is a manufacturing method for optical couplers/splitters and a method for adjusting the optical characteristics of planar lightwave circuit devices. This invention involves forming a Y-shaped waveguide core by focusing a laser beam into a glass material cladding layer. The method includes monitoring signal light input and output to determine and adjust the refractive index of specific areas within the waveguide core.
Career Highlights
Hirokuni Ogawa is currently employed at Fujikura Limited, a company known for its innovations in optical technology. His work at Fujikura has allowed him to develop cutting-edge solutions that enhance optical communication systems.
Collaborations
Ogawa collaborates with talented individuals such as Hideyuki Hosoya and Ken Sakuma, contributing to a dynamic team focused on advancing optical technologies.
Conclusion
Hirokuni Ogawa's contributions to optical technology through his patents and work at Fujikura Limited highlight his role as an influential inventor in the field. His innovative designs and methods continue to shape the future of optical communication systems.