Company Filing History:
6 out of 52,752 
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1 out of 189 Years Active: 1982-1992
Title: The Innovative Contributions of Masaru Shimbo
Introduction
Masaru Shimbo is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of technology, holding a total of 9 patents. His work primarily focuses on advancements in materials and semiconductor technology.
Latest Patents
One of his latest inventions is a silica glass filter. This filter comprises a porous support body made of amorphous silica particles, achieving a purity of 99.9% or more. It contains 150 ppm or less of impurities, including alkali, alkali metal, heavy metal, and elements of the III B group. The filtration layer is also composed of amorphous silica particles, ensuring it has a purity level comparable to that of the support body. Another significant patent is for a silicon semiconductor substrate with an embedded insulating layer. This substrate includes a first silicon plate with an insulating layer embedded within it, allowing for the formation of an isolated region in a second silicon plate.
Career Highlights
Throughout his career, Masaru Shimbo has worked with prominent companies such as Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His experience in these organizations has contributed to his innovative capabilities and understanding of advanced technologies.
Collaborations
Masaru Shimbo has collaborated with notable individuals in the field, including Kiyoshi Fukuda and Kazuyoshi Furukawa. These partnerships have likely enhanced his research and development efforts.
Conclusion
Masaru Shimbo's contributions to technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the fields of materials science and semiconductor technology.