Tokyo, Japan

Masaru Seto

This inventor holds 24 USPTO granted patents and 1 EPO patent, primarily in Semiconductor Technology. Top assignees: Kabushiki Kaisha Toshiba, Oki Semiconductor Co., Ltd., Ge Medical Systems Global Technology Company, LLC. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Seto. Retrieved from https://idiyas.com/inventor/masaru-seto

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


% Patents Active = 70.8

 

Average Co-Inventor Count = 1.9

ph-index = 10

Forward Citations = 344(Granted Patents)


Location History:

  • Tokyo, JP (1996 - 2008)
  • Miyagi, JP (2008 - 2011)

Company Filing History:


Years Active: 1996-2026

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Areas of Expertise:
Semiconductor Memory
Manufacturing Method
Nonvolatile Memory
Radiography System
Electronic Apparatus
Tomography Method
Scanning Method
Battery Pack
Portable Apparatus
Isolation Film
Heat Generation
Detachable Component
24 patents (USPTO):Explore Patents

Title: Masaru Seto: Innovator in Semiconductor Technology

Introduction

Masaru Seto, a prominent inventor based in Tokyo, Japan, holds an impressive portfolio of 23 patents. His contributions primarily focus on advancing semiconductor technology, showcasing a blend of innovative methodologies and applications in the field.

Latest Patents

Seto's latest patents highlight his expertise in semiconductor manufacturing processes. One significant invention is the "Method of forming element isolation film and nonvolatile semiconductor memory." This technology involves creating an element isolation film by filling an oxide within a trench in a semiconductor substrate, ensuring effective insulation for component isolation. The method delineates a two-step process: the first involves depositing a plasma state material inclusive of oxygen and silicon on the trench's inner surface without applying bias voltage; the second step entails filling the trench with this material while applying a bias voltage.

Another notable patent is the "Manufacturing method of semiconductor device and semiconductor device," which outlines a systematic approach to creating semiconductor devices. This includes forming multiple wirings on an insulating film, covering them with additional insulating films while ensuring moisture resistance and air gaps between adjacent wirings, thereby enhancing device performance.

Career Highlights

Throughout his career, Masaru Seto has made significant strides in the semiconductor industry, working with renowned companies such as Toshiba Corporation and Oki Semiconductor Co., Ltd. His innovative spirit and technical proficiency have not only contributed to the companies but have also pushed the boundaries of semiconductor design and manufacturing.

Collaborations

Seto has collaborated with fellow innovators, including Atsushi Tatemichi and Naohiro Yokoyama. Their collective efforts have furthered advancements in semiconductor technology, illustrating the importance of teamwork in driving innovation in the field.

Conclusion

Masaru Seto's contributions to the world of semiconductor technology, through his patents and collaborations, underscore the vital role of innovation in modern electronics. As technology continues to evolve, his work serves as a crucial foundation for future developments 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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