Yokohama, Japan

Mariko Shimomura

This inventor holds 6 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1997-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mariko Shimomura. Retrieved from https://idiyas.com/inventor/mariko-shimomura

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 = 3.0

ph-index = 5

Forward Citations = 95(Granted Patents)


Company Filing History:


Years Active: 1997-2000

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6 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Mariko Shimomura in Semiconductor Manufacturing

Introduction: Mariko Shimomura is a distinguished inventor based in Yokohama, Japan, known for her significant contributions to the field of semiconductor manufacturing. With a total of six patents to her name, she has played a pivotal role in advancing technologies that are essential for the modern electronic landscape.

Latest Patents: Among her latest innovations is a method of manufacturing a semiconductor device that utilizes ionized water as a rinsing liquid in the Chemical Mechanical Polishing (CMP) process. This innovative approach improves the post-polishing step by effectively removing abrasive particles adhered to the film surface during the main polishing. Another notable patent involves a polishing method that discloses a chemical mechanical polisher, which utilizes a polishing slurry that contains silicon nitride, silicon carbide, and graphite, ensuring high-quality polishing of semiconductor materials.

Career Highlights: Mariko is currently employed at Kabushiki Kaisha Toshiba, where she continues to develop cutting-edge technologies in semiconductor manufacturing. Her dedication and expertise have made her a key player in her organization and the wider industry.

Collaborations: Throughout her career, Mariko Shimomura has collaborated with talented individuals such as Naoto Miyashita and Masahiro Abe. These partnerships have fostered innovation and shared knowledge in their endeavors to enhance semiconductor technologies.

Conclusion: Mariko Shimomura's innovative spirit and technical expertise have solidified her status as an influential inventor in the semiconductor manufacturing industry. Her patented methods and collaborative efforts pave the way for advancements that will shape the future of technology.

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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