Hyogo, Japan

Shoichi Murakami

This inventor holds 9 USPTO granted patents and 8 EPO patents. Top assignees: Spp Technologies Co., Ltd., Sumitomo Precision Products Co., Ltd., Taiyo Nippon Sanso Corporation. Active years: 2010-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichi Murakami. Retrieved from https://idiyas.com/inventor/shoichi-murakami

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

 

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Hyogo, JP (2013 - 2019)
  • Amagasaki, JP (2010 - 2020)

Company Filing History:


Years Active: 2010-2020

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9 patents (USPTO):Explore Patents

Title: The Innovations of Shoichi Murakami

Introduction

Shoichi Murakami is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of materials science, particularly in the development of silicon nitride films. With a total of nine patents to his name, Murakami's work has advanced the understanding and application of silicon nitride in various industries.

Latest Patents

Murakami's latest patents include a method for producing silicon nitride film and the silicon nitride film itself. One of the key objectives of his invention is to provide a method for producing a silicon nitride film that exhibits high resistance to hydrofluoric acid and moisture, while maintaining appropriate internal stress on a substrate controlled at temperatures of 250°C or lower. This method utilizes a plasma chemical vapor deposition technique, incorporating a processing gas that combines a hydrogen reducing gas with an organosilane gas. The process is conducted under specific pressure and high-frequency electric power conditions to optimize the film's properties. Additionally, he has developed a method to reduce the carbon and hydrogen atom content in silicon nitride films formed by plasma CVD, thereby improving their electrical properties and overall quality.

Career Highlights

Throughout his career, Murakami has worked with prominent companies such as SPP Technologies Co., Ltd. and Sumitomo Precision Products Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to innovative solutions in the industry.

Collaborations

Murakami has collaborated with notable colleagues, including Masayasu Hatashita and Akimitsu Oishi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Shoichi Murakami's contributions to the field of silicon nitride film production highlight his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to improving the quality and performance of silicon nitride films, making a lasting impact in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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