This inventor holds 6 USPTO granted patents. Top assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Nippon Precision Circuits Inc., Nissan Motor Company Limited. Active years: 1997-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Higashikurume City, Tokyo, JP (1997)
- Tokyo 203, JP (1999)
- Higashikurume-shi, Tokyo JP (2000)
- Tokyo, JP (2003)
- Setagaya-ku, Tokyo, JP (2004 - 2005)
Company Filing History:
2 out of 1,297 
1 out of 100 
1 out of 13,420 
Years Active: 1997-2005
Title: Yasuo Tarui: Innovator in Ferroelectric Memory Technology
Introduction
Yasuo Tarui is a prominent inventor based in Higashikurume, Japan. He has made significant contributions to the field of memory technology, particularly in the development of ferroelectric nonvolatile memory elements. With a total of 6 patents to his name, Tarui's work has paved the way for advancements in data storage solutions.
Latest Patents
One of Tarui's latest innovations is a transistor-type ferroelectric nonvolatile memory element. This element features an MFMIS (metal-ferroelectric-metal-insulator-semiconductor) structure that allows for high-density integration. The MFMIS transistor combines the MFM and MIS structures in a compact area, enhancing the effective area of the MIS capacitance through various means, such as trenches in the semiconductor substrate and ruggedness in the MIS structure.
Another notable patent is the transistor-type ferroelectric body nonvolatile storage element. This invention includes a structure of MFMIS, which consists of a conductor film, ferroelectric film, conductor film, insulating film, and semiconductor. It incorporates a gate insulator capacitor with an MIS structure, along with a low dielectric constant layer that prevents capacitance reduction. This design allows for reduced area of the gate insulator capacitor and supports highly integrated formation.
Career Highlights
Throughout his career, Yasuo Tarui has worked with notable companies, including Asahi Kasei Kogyo Kabushiki Kaisha. His expertise in ferroelectric memory technology has established him as a key figure in the industry.
Collaborations
Tarui has collaborated with esteemed colleagues such as Kazuo Sakamaki and Tadahiko Hirai. Their combined efforts have contributed to the advancement of innovative memory technologies.
Conclusion
Yasuo Tarui's contributions to ferroelectric memory technology have significantly impacted the field of data storage. His innovative patents and collaborations highlight his role as a leading inventor in this area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile