Location History:
- Tokyo, JP (2007 - 2008)
- Kanagawa, JP (2008 - 2013)
Company Filing History:
5 out of 58,132 
1 out of 91 
1 out of 52,766 
Years Active: 2007-2013
Title: The Innovations of Masafumi Muramatsu: A Visionary in Semiconductor Technology
Introduction
Masafumi Muramatsu is a prominent inventor based in Kanagawa, Japan. He holds a significant portfolio of five patents, showcasing his expertise and contribution to the field of semiconductor technology. His innovative approach has led to advancements that benefit the industry broadly.
Latest Patents
Among his recent innovations, Muramatsu developed a post-dry etching cleaning liquid composition specifically designed for cleaning substrates following the dry etching process in semiconductor fabrication. This cleaning liquid comprises at least one type of fluorine compound, glyoxylic acid, organic acid salts, and water. Notably, ammonium fluoride is cited as a potential fluorine compound, while ammonium oxalate, tartarate, citrate, and acetate serve as organic acid salts.
In addition to this, he has also developed a patented method for manufacturing solid-state image pickup elements. This method includes vital steps such as the formation of photoelectric conversion elements within a semiconductor substrate, followed by the establishment of a wiring layer and the lamination of a supporting substrate. This innovative process enhances the efficiency of solid-state image sensors, which are widely utilized in various imaging devices.
Career Highlights
Masafumi Muramatsu has made substantial contributions to the technology sector, having worked with major companies like Sony Corporation and Kabushiki Kaisha Toshiba. His experience in these renowned organizations has significantly influenced his inventive output, allowing him to integrate advanced technological principles into practical applications.
Collaborations
Throughout his career, Muramatsu has collaborated with noted colleagues such as Kazumi Asada and Yukino Hagino. Their collective expertise in semiconductor technologies has resulted in advancements that push the boundaries of existing technologies and pave the way for future innovations.
Conclusion
With his portfolio of five patents and a distinguished career in semiconductor research and development, Masafumi Muramatsu exemplifies the role of an innovative inventor. His contributions to the industry, particularly through his latest patents, demonstrate the impact of his work on advancing the technology landscape. Muramatsu remains a significant figure in the ongoing evolution of semiconductor applications.