Shigeru Oikawa

Title: Shigeru Oikawa: Innovator in Optical Technologies

Introduction

Shigeru Oikawa is a prominent inventor based in Mito, Japan. He has made significant contributions to the field of optical technologies, holding a total of four patents. His work focuses on advancements in optical recording media and plastic optical fibers.

Latest Patents

One of Oikawa's latest patents involves optical recording media with thermal coloration. This invention includes a substrate, a coloring agent layer, a light absorber layer, and a developer layer. The design ensures that the coloring agent layer is separated from the developer layer by the light absorber layer, resulting in a uniform thickness. The optical recording medium is produced through a vacuum deposition process, allowing for high contrast and high-speed multi-color recording.

Another notable patent is related to the fabrication of low-loss plastic optical fibers. In this process, a polymerization initiator and a chain transfer agent are added to a methyl methacrylate monomer under reduced pressure. The core polymer is then created while maintaining this condition, followed by melt spinning to form a core fiber. A macromolecular compound with a lower refractive index is adhered around the core fiber, resulting in a low-loss plastic optical fiber with excellent optical transmission characteristics.

Career Highlights

Shigeru Oikawa is associated with Nippon Telegraph and Telephone Public Corporation, where he has been able to apply his innovative ideas in practical settings. His work has significantly impacted the development of optical technologies, enhancing the performance and efficiency of optical media.

Collaborations

Oikawa has collaborated with notable coworkers such as Yuzo Katayama and Norio Takato. Their combined expertise has contributed to the advancement of optical technologies and the successful development of various projects.

Conclusion

Shigeru Oikawa is a distinguished inventor whose work in optical recording media and plastic optical fibers has paved the way for advancements in the field. His innovative patents reflect his commitment to enhancing optical technologies, making a lasting impact on the industry.