Nobuyasu Mantoku

Title: Nobuyasu Mantoku: Innovator in Optical Materials

Introduction

Nobuyasu Mantoku is a prominent inventor based in Annaka, Japan. He has made significant contributions to the field of optical materials, holding a total of 4 patents. His work focuses on the development of advanced optical components, particularly in the synthesis of silica glass.

Latest Patents

Mantoku's latest patents include innovative methods for manufacturing optical members. One notable patent is for a synthesized silica glass optical member and the method for manufacturing it. This method involves providing a porous silica glass body, heating it in an atmosphere containing hydrogen or oxygen, and sintering it in an atmosphere containing a fluorine compound. This process results in a high-quality synthesized silica glass optical member.

Another significant patent is for a method of producing a base material for optical fiber that features a deformed first clad. This method includes deforming the shape of the first clad, depositing porous glass fine particles as the second clad, and forming a round section by vitrifying it. This innovative approach helps prevent breakages or cracks on the surface of the base material, ensuring the production of defect-free optical fibers.

Career Highlights

Nobuyasu Mantoku is currently employed at Shin-Etsu Chemical Co., Ltd., where he continues to push the boundaries of optical material technology. His expertise and innovative methods have positioned him as a key figure in the industry.

Collaborations

Mantoku has collaborated with notable coworkers, including Jun Abe and Masayasu Nagaoka. Their combined efforts contribute to the advancement of optical technologies and materials.

Conclusion

Nobuyasu Mantoku's work in the field of optical materials showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the quality and efficiency of optical components.