Company Filing History:
6 out of 3,192 
1 out of 1 
1 out of 832,680 Years Active: 1996-2007
Title: **Toshikazu Segawa: A Pioneer in Holographic Innovations**
Introduction
Toshikazu Segawa, an inventor based in Tokyo, Japan, has made significant contributions to the field of holography. With a remarkable portfolio of 8 patents, Segawa's work focuses on advanced optical technologies, particularly in the development of reflection-type holograms and innovative display devices. His inventions represent a blend of creativity and technical expertise, positioning him as a notable figure in the world of optical innovations.
Latest Patents
Among his most recent patents are groundbreaking inventions that include the reflection type diffuse hologram and holograms specifically designed for reflection hologram color filters. One of his standout accomplishments is a reflection type display device that utilizes such holograms. This method of fabricating holograms involves a unique process where a photosensitive material is strategically stacked on either a reflection-type hologram or a transmission-type hologram.
According to the details of his inventions, the photosensitive material on a reflection-type relief hologram allows for the recording of interference fringes created by light diffracted from the hologram and the incident light. Furthermore, Segawa's approach with transmission-type holograms involves various techniques to achieve precise interference fringes necessary for optimal performance.
He has also developed a method for making phase masks for machining optical fibers, producing optical fibers that contain Bragg diffraction gratings. This invention seeks to minimize connection errors that could potentially compromise the spectral line shape and group delay characteristics of optical fiber diffraction gratings.
Career Highlights
Segawa has collaborated with prestigious companies, including Dai Nippon Printing Co., Ltd. His dedication to innovation in holography has garnered recognition in both academic and industrial circles, exemplifying the impact of his inventions in practical applications.
Collaborations
In his career, Segawa has worked alongside talented individuals such as Tsuyoshi Hotta and Yuko Kuwabara. These collaborations have allowed for a dynamic exchange of ideas and innovations, contributing to the advancement of their respective fields.
Conclusion
Toshikazu Segawa stands out as a luminary in the realm of holographic technology, with his collection of patents reflecting a commitment to pushing the boundaries of optical innovation. His work not only enhances the current landscape of holography but also paves the way for future advancements in display technologies and optical fibers. As the world continues to evolve technologically, inventors like Segawa play a crucial role in shaping the future through their ingenious creations.
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.